always a reliable solution

GESTRA is a global leader from Bremen. Germany since 1902 with energy saving philosophy in the design and production of valves and control systems for heat and process fluid control. Gestra products and services provide a full line of steam solutions for all commercial and industrial applications where steam is generated, distributed, or used. The GESTRA product range includes steam and condensate piping equipment, boiler control, special equipment and vessel for heat recovery.


EXAMPLES OF USE IN THAILAND

  • Customer : Refinery plant - Conburi
    Gestra : Steam traps
    Pressure: Class 150 to 2500 LB

  • Customer : Power plant in Laem Chabang - Chonburi
    Gestra : ZK Radial Multi-stage control valve for high pressure
    Pressure: 72 bar at 532 °C

  • Customer : Petrochemical plant - Rayong
    Gestra : Check valves
    Pressure: Class PN6 to 160

  • Customer : Petrochemical plant - Rayong
    Geatra : Deaerator dome
    Capacity: 50 t/h

  • Customer : Liquor plant - Ratchaburi
    Gestra : Boiler control equipment

  • Customer : Consumer products plant - Chachoengsao
    Cooling water storage tank with Gestra equipment
    Capacity: 1.5 m3

  • Customer : Confectionery plant-Bangkok

    GESTRA Surface Blowdown & Heat Recovery System

  • Customer : Petrochemical plant - Rayong
    Steam trap survey by Gestra Ultrasonic Detector VKP40

Steam Traps

Thermostatic Steam Traps BK

with Duo Stainless Steel (Bimetallic) Regulator PN 40 to PN 630/CL2500

 

Features of the BK series:
● No loss of live steam
● Robust regulator, unaffected by waterhammer and frost
● Automatic air-venting (can be air vent in steam systems)
● Suitable for superheated steam applications
● Stainless steel or Titanium alloy internals
● Stage nozzle for dynamic function act as check valve
● Built-in strainer
● Base busing ensures positive metal-to-metal internal sealing
● Installation in horizontal or vertical lines. Repairable in-line.

 

Gestra BK45, BK46  DN15(1/2")-DN25(1") Max Diff. Pressure : 22/32 Bar
End connections: Flanged PN40, Class150/300, socket-weld ends, butt-weld ends, screwed sockets
Body Material : Carbon steel, Alloy steel for high temperature service
Download Technical Sheets

Gestra BK15 DN40(1 1/2")-DN50 (2") Max Diff. Pressure : 22 Bar
End connections: Flanged PN40, Class150/300, socket-weld ends, butt-weld ends, screwed sockets
Body Material : Carbon steel
Download Technical Sheets  

Gestra BK27N DN40(1 1/2")-DN50 (2") Max Diff. Pressure : 45 Bar
End connections: Flanged PN40/63, Class400, socket-weld ends, butt-weld ends
Body Material : Alloy steel for high temperature service
Download Technical Sheets

Gestra BK37, BK28, BK29 DN15(1/2")-DN25(1") Max Diff. Pressure : 45/85/110 Bar
End connections: Flanged PN63/100/160, Class400/600/900/1500, socket-weld ends, butt-weld ends
Body Material : Alloy steel for high temperature service with wear-resistant titanium alloy nozzle stem and seat
Download Technical Sheets

Gestra BK212 DN15(1/2")-DN25(1") Max Diff. Pressure : 275 Bar
End connections: Flange CL1500/CL2500, Socket-weld ends, butt-weld ends
Body Material : Alloy special steel for higer pressure and temperature combinations,
Alloy special martensitic creep resistance F91 with wear-resistant titanium alloy nozzle stem and seat
Download Technical Sheets

 

Thermostatic Steam Traps MK

with Hastelloy Mambrane Regulator PN 25 to PN 40/CL300

 

Features of the MK series:
● No loss of live steam
● Very sensitive response characteristic
● Function is not impaired by high back pressure
● Automatic air-venting (can be air vent in steam systems)
● High hot-water capacities even with low diff. pressure
● With tandem seat (double sealing) for low flowrate
● Built-in non-return valve and strainer
● Stainless steel internal with corrugated Hastelloy membrane
● Installation in horizontal or vertical lines. Repairable in-line.

 

Gestra MK35/31, MK35/32 DN10(3/8")-DN15(1/2") Max Diff. Pressure : 21 bar
End connections: Socket-weld ends , screwed sockets
Body Material: Carbon steel
Download Technical Sheets

Gestra MK35/2S, MK35/2S3 DN25(1") Max Diff. Pressure : 32 bar
End connections: Flanged PN40, Class150/300, socket-weld ends, screwed sockets, butt-weld ends
Body Material: Carbon steel
Download Technical Sheets

Gestra MK25/2, MK25/2S DN40(1 1/2" - DN50(2") Max Diff. Pressure : 32 bar
End connections: Flanged PN40, Class150/300, socket-weld ends, screwed sockets, butt-weld ends
Body Material: Carbon steel
Download Technical Sheets

Gestra MK45-1, MK45-2, MK45 A-1, MK45 A-2 DN15(1/2")-DN25(1") Max Diff. Pressure : 32 bar
End connections: Flanged PN40, Class150/300, socket-weld ends, butt-weld ends, screwed sockets
Body Material: Carbon steel, Low carbon stainless steel 316L
Download Technical Sheets

Gestra MK36/51, MK36/52 DN8(1/4")-DN25(1") Max Diff. Pressure : 32 bar
End connections: Screwed sockets, union butt-weld nipples
Body Material: Stainless steel
Download Technical Sheets

Ball-Float Traps UNA

PN 16 to PN 160/CL900

Features of the UNA series:
● No loss of live steam
● Unaffected by back pressure and condensate temperature
● No banking-up of condensate even with extreme load and pressure fluctuations
● Particularly well suited for heat exchangers
● Unaffected by dirt
● Automatic thermostatic air-venting
● Low in friction, ensuring minimal wear with high tightness due to rolling ball valve design
● Ideal for cold condensate and distillated discharge
● Selectable for horizontal or vertical lines. Repairable in-line.

 

Gestra UNA14, UNA16, UNA16A DN15(1/2")-DN25(1") Max Diff. Pressure : up to 32 Bar
End connections: Flanged PN25/40, Class150, socket-weld ends, butt-weld ends, screwed sockets
Body Material: Carbon steel, Low carbon stainless steel 316L
Download Technical Sheets

Gestra UNA41 DN15(1/2")-DN25(1") Max Diff. Pressure : up to 14 Bar
End connections: Flanged PN16, Class150, socket-weld ends, butt-weld ends, screwed sockets
Body Material: Carbon steel
Download Technical Sheets

Gestra UNA23, UNA25, UNA26 DN15(1/2")-DN50(2") Max Diff. Pressure : up to 32 Bar
End connections: Flanged PN16/40, Class150/300, socket-weld ends, butt-weld ends, screwed sockets
Body Material: Cast iron, Carbon steel, Stainless steel CF8M
Download Technical Sheets

Gestra UNA45, UNA46, UNA46A DN15(1/2")-DN50(2") Max Diff. Pressure : up to 32 Bar
End connections: Flanged PN40, Class150/300, socket-weld ends, butt-weld ends, screwed sockets
Body Material: Carbon steel, Stainless steel 316L
Download Technical Sheets

Gestra UNA45 MAX, UNA46 MAX, UNA46A MAX DN40(1 1/2")-DN50(2") Max Diff. Pressure : up to 32 Bar
End connections: Flanged PN40, Class150/300, socket-weld ends, butt-weld ends, screwed sockets
Body Material: Carbon steel, Stainless steel 316L
Download Technical Sheets

Gestra UNA27h DN25(1")-DN50(2") Max Diff. Pressure : up to 45 Bar
End connections: Flanged PN63, Class300/400/600, socket-weld ends, butt-weld ends
Body Material: Alloy steel for high temperature service
Download Technical Sheets

Gestra UNA38, UNA39 DN15(1/2"), DN25(1")-DN50(2") Max Diff. Pressure : up to 140 Bar
End connections: Flanged PN100/160, Class600/900/1500, socket-weld ends, butt-weld ends
Body Material: Alloy steel for high temperature service
Download Technical Sheets

Gestra UNA SPECIAL Type 62 PN16 Angle pattern DN65(2 1/2")-DN100(4") Max Diff. Pressure : 16 Bar
End connections: Flanged PN16
Body Material: Cast iron
Download Technical Sheets

Gestra UNA SPECIAL PN25 Angle pattern DN50(2")-DN65(2 1/2") Max Diff. Pressure : 22 Bar
End connections: Flanged PN25
Body Material: Carbon steel
Download Technical Sheets

Gestra UNA PN25 Angle pattern DN80(3")-DN100(4") Max Diff. Pressure : 22 Bar
End connections: Flanged PN25, Class150
Body Material: Carbon steel
Download Technical Sheets

Gestra UNA SPECIAL PN63 Angle pattern DN65(2 1/2")-DN100(4") Max Diff. Pressure : 45 Bar
End connections: Flanged PN63
Body Material: Alloy steel for high temperature service
Download Technical Sheets

Thermodynamic Steam Traps DK

PN 40 to PN 63

 

Features of the DK series:
● Discharge with virtually no banking-up
● Robust, insensitive regulator
● Installation in any position
● Max. admissible back pressure 80 % of the upstream pressure

 

Gestra DK45

End connections: Flanged PN40, Class150/300, socket-weld ends, butt-weld ends, screwed sockets
Body Material: Carbon steel
Download Technical Sheets

Gestra DK47, DK57
End connections: Screwed sockets
Body Material: Stainless steel
Download Technical Sheets

 

Steam Traps for Special Applications 

Gestra AK45 PN40
For discharging condensate from steam systems during
start-up and draning residual condensate at shut-down.
Factory-set closing pressure 0.8 bar
Download Technical Sheet

Gestra UBK46 PN40
Steam traps with adjustable condensate discharge temperature.,
thereby suppressing the formation of flash steam
Download Technical Sheets

Gestra SMK22
Pocket-free steam trap for SIP applications.
Body Material: Stainless steel 316L
Download Technical Sheets - Gestra SMK22, SMK22-51
Download Technical Sheets - Gestra SMK22-81, SMK22-82

Gestra TK, GK
For the discharge of very large condensate flowrates
Body Material: Cast iron
Download Technical Sheets - Gestra TK23, TK24
Download Technical Sheets - Gestra GK11

Steam Trap Units for UNIVERSAL (Swivel) Connectors 

 

 

Features of the UNIVERSAL Connectors:
● Maintenance-free, ultra-compact steam traps made from stainless steel, suitable for all UNIVERSAL (Swivel) connectors. Installation in any position
● Integrated spiral wound gasket for connector
● Only two screws make for a quick and easy installation
● All steam trap units are optionally available with a UNIVERSAL connector (not fitted), e.g. UC 36, UCY 36 or TS 36.

 

Gestra BK 36 A/7, MK 36 A/71, MK 36 A/72, DK 36 A/7, UCY 36, UC 36 Steam Trap Units for Universal Connectors Body Material: Stainless steel CF8M
Download Technical Sheets

Gestra IB 16A-7 Inverted Bucket Steam Traps, suitable for fitting to a universal (“Swivel”) connector Body Material: Stainless steel A240-304L
Download Technical Sheets

Gestra TS 36-1, TS36-2, TrapStation
Download Technical Sheets 

Steam Traps Monitoring Equipment

Faulty steam traps are a major source of waste in a steam distribution system. A trap that is blowing live steam is the worst offender, but traps that are plugged or stuck closed can also be costly. The decreased plant efficiency due to loss of energy and additional make-up water results in lost production.

Steam traps can be tested during operation by using sightglasses, ultrasonic detectors or level meters.

 

Gestra Sightglasses, Vaposcopes Type VK 14 PN16, VK 16 PN40 DN15(1/2") - DN50(2")

The GESTRA Vaposcope is a sight flow indicator specially designed for monitoring flow conditions in pipelines. If installed upstream of steam traps the Vaposcope can be used for checking the traps for steam loss or for banking-up of condensate.

Gestra Level meters for constant steam trap supervision

Use conductivity to monitor steam trap performance. A test chamber with an integral level electrode is installed upstream of the trap to detect any defective steam trap. The corresponding output signal is displayed by the Remote Test Unit NRA 1-3x (remote monitoring). The system VKE can monitor all types and makes of steam traps to detect loss of live steam. The correct operation of RHOMBUSline steam traps type BK 45/46, MK 45, UBK 46 can be verified by using the compact-type level probes NRG 16-19, NRG 16-27 and NRG 16-28. The test station NRA 1-3x will evaluate the data coming from the system VKE.

 

Gestra Ultrasonic detector

Detects the sound produced by steam flowing through the traps. Depending on the test system used the sound sensed by the device is either graphically represented in the form of a curve (VKP 40plus) or indicated by the deflection on the scale of a meter (VKP 10). Ex-plosion proof version is available

Draining Condensate from Compressed-Air

Gestra UNA14P Air trap
Gestra UNA1 and UNA4 with Simplex Regulator
Liquid drainer in compressed air and other gas lines 

 

● Liquid drainer for compressed air and gases with ball float and rolling ball valve
● The trap is suitable for draining gas and compressed air systems
● Purging device and connection for air-balance pipe included as standard
● Internals made from corrosion-resistant stainless steels
● Closing unit for temperatures up to 40 °C with rolling ball made from Perbunan, up to 120 °C with rolling ball made from stainless steel

Pump Trap and Compact Condensate Lifter

Pump Traps UNA25-PK, Condensate Lifter (compact steam powered pump)UNA25-PS

 

 

The pump trap UNA 25-PK is a modern valve which combines the function of a float trap with an additional pump mechanism. If the upstream pressure of the condensate is higher than the back pressure, UNA 25-PK works in normal operating mode. If the differential pressure is sufficient, equipment type UNA25-PK works in continuous trapping mode with leak-proof rolling ball valve closure. If the differential pressure is too low, the equipment works as cyclic condensate lifter

The condensate lifter UNA25-PS, designed for effective return of condensate. Steam is used as motive power for the operating cycle that displaces condensate out of the trap body.

Operational Phases of the UNA 25-PK

Condensate Collector and Steam Manifold

The condensate manifold is mainly used in steam tracing systems and for the connection of widely branched low-pressure condensate lines for low and medium flowrates. The condensate discharged by the steam traps flows down the interior wall of the external tube. In so doing a water seal is formed into which the internal tube is submerged, thus preventing waterhammer. The condensate is forced up the immersion tube and then discharged. Steam manifold with lateral connections and integral shut-off valves for any kind of pipe connection.

    

The benefits for you are clear:
● Space-saving arrangement of the valves
● Components always mounted correctly
● Reduced installation effort
● No welding work
● No painting needed
● Simple ordering procedure

Non-Return Valves

DISCO Non-Return Valves RK

 

Features of the RK series:
● Compact design
● Low weight
● Mounting in any position
● Low installation costs
● Space-saving stockkeeping
● Wide choice of materials

 

Gestra RK70, PN6, DN15(1/2")- DN200(8")
Hot-pressed brass body / valve disc of plastic (Cast iron body for DN125 to 200)
Download Technical Sheets

Gestra RK71, PN6/10/16, DN15(1/2")- DN100(4")
Hot-pressed brass body / valve disc of stainless steel 316Ti
Download Technical Sheets

Gestra RK41, PN6/10/16, DN15(1/2")- DN200(8")
Special brass body / valve disc of stainless steel 316Ti
Download Technical Sheets

Gestra RK44, PN6/10/16, DN15(1/2")- DN200(8")
Cast brass body / valve disc of stainless steel 316Ti
Download Technical Sheets

Gestra RK44S, PN6/10/16, DN15(1/2")- DN200(8")
Cast bronze body and valve disc
Download Technical Sheets

Gestra RK76, PN6 to 40 / Class150/300, DN15(1/2")- DN100(4")
Stainless steel body / valve disc of stainless steel 316Ti
Download Technical Sheet

Gestra RK86, RK86A, PN6 to 40 / Class125/150/300, DN15(1/2")- DN200(8")
Stainless steel or Stainless steel CF8M body / valve disc of stainless steel 316Ti (Carbon steel body of RK86 for DN125 to 200)
Download Technical Sheet

Gestra RK26A, PN10 to 40 / Class150/300, DN15(1/2")- DN100(4")
Stainless steel CF8M body / valve disc of stainless steel 316Ti
Download Technical Sheets


Gestra RK29A, PN63 to 400 / Class400 to 2500, DN15(1/2")- DN200(8")
Stainless steel 316Ti body and valve disc
Download Technical Sheets

Gestra RK49, PN63 to 160 / Class400 to 900, DN15(1/2")- DN200(8")
Stainless steel CF8M body / valve disc of forged steel, heat resistant (Alloy steel body for high temperature service for DN80 to 200)
Download Technical Sheets

Gestra RK16A, PN10 to 40 / Class150/300, DN15(1/2")- DN100(4")
Stainless steel 316Ti body and valve disc
Download Technical Sheets

Gestra RK16C, PN40 / Class300, DN15(1/2")- DN100(4")
Hastelloy C body and valve disc
Download Technical Sheets

 

DISCOCHECK Dual-Plate Check Valves BB

 

Features of the BB series:
● Compact design
● Low pressure drop
● Low opening pressure
● Separately suspended plate with independent action
● Each plate is fitted with two springs
● Hinge side of plate opening first thereby eliminating any possibility of scuffing and seat wear
● Replaceable soft seat
● Leakage rate for the metal to metal seat in accordance with API594
● Optional with adjustable dampers to prevent waterhammer 

 

Gestra BB, DN 50 up to 1000, PN6 to 160 / Class150 to 900
Body Material: Cast iron, Carbon steel, Stainless steel 316/316L
Download Technical Sheets

Gestra BB with Anti-Corrosion Lining, DN 150 up to 1000, PN6 to 16
Lining materials: Hard rubber based on isoprene rubber (IR), Plastic (Vestosint or Rilsan)
Download Technical Sheets

 

Swing Check Valves CB, WB, NAF

 

Features of GESTRA swing check valves
● Compact design
● Low pressure drop
● Low weight
● Wafer-type valve with short overall length

Gestra CB14, DN 50 to 300, can be mounted between flanges acc. to DIN/EN, BS and ASME
Body Material: Constructional steel
Download Technical Sheets

Gestra CB 24S, CB 26, CB 26A, DN 50 to 300, can be mounted between flanges acc. to DIN/EN, BS and ASME
Body Material: Bronze, Carbon steel, Stainless steel 316Ti
Download Technical Sheets

Gestra WB 26, WB 26A, WB 24S, DN 50 to 300, fitting between flanges to DIN 2501, PN 10/16
Body Material: Stainless steel, Stainless steel 316, Aluminium bronze
Download Technical Sheets

Gestra NAF-Check, DN 40 to 1000, PN10 to 100
Body Material: Carbon steel, Stainless steel, Stainless steel 316
Download Technical Sheets

 

Screwed Non-Return Valves SBO, MB

 

Features of GESTRA Screwed Non-Return Valves
● Compact design
● Low weight
● Mounting in any position
● Low installation costs
● Space-saving stock keeping

Gestra SBO11, SBO21, SBO31, PN6, DN20(3/4")- DN32(1 1/4")
Body Material: Brass
Download Technical Sheets

Gestra MB14, PN16, DN15(1/2")- DN50(2")
Body Material: Brass
Download Technical Sheets

Control Valves

Control Valves ZK with Radial Stage Nozzle

 

Features of the ZK series:
● Extremely wear resistant
● Excellent sealing and control characteristic (FCI 70-2-2006, class VI (test procedure C) and EN 12266-1, leakage rate A)
● Tandem shut-off (dual seat) to be tight shut-off valve and control valve in one
● Variable valve characteristics (linear and equal-percentage)
● Easy assembly and inspection of nozzle insert
● Low sound level

ZK 213 internals when new

Internals of a leak-off valve ZK 213, DN 100, after 13 years of operation with p1 = 374 bar (5420 psi), p2 = 11 bar (159.5 psi), t = 172 °C, m° = 35 kg/s

 

Changing the valve characteristics using the ZK 29 as an example

Gestra ZK29, Max. diff.pressure : 100 bar
Download Technical Sheets - Gestra ZK29 DIN
Download Technical Sheets - Gestra ZK29 ASME

Gestra ZK313, Max. diff.pressure : 370 bar
Download Technical Sheets - Gestra ZK313 DIN
Download Technical Sheets - Gestra ZK313 ASME

Gestra ZK210, Max. diff.pressure : 100 bar
Download Technical Sheets

Gestra ZK213, Max. diff.pressure : 560 bar
Download Technical Sheets

Gestra ZK610, ZK613, Max. diff.pressure : 250 bar
Download Technical Sheets

Control Valves with Electric and Pneumatic Actuators V725

 

Control of liquids, gases and steam up to 250°C. Ultra-compact pneumatic design thanks to directly attached positioner.

Gestra V725, Control valve
Download Technical Sheets

Self-Acting Pressure Reducing Valves 5801, Self-Acting Pressure Maintaining Valves 5610

Features of the 5801 and 5610 series:

● Pressure controlled function operates without additional auxiliary energy
● Body shape gives optimum flow characteristic
● Long service life and operational reliability
● Bellows sealing
● Replaceable trim

Gestra 5801, Pressure Reducing Valve
Download Technical Sheets

Gestra 5610, Pressure Maintaining Valve
Download Technical Sheets

Cooling-Water Control Valves, BW/ CW up to PN 40, DN 25 – 100 mm (1 – 4")

 

CW- Direct acting proportional controller for regulating the cooling-water return temperature BW-self-acting control valves maintain constant return temperatures within their proportional range for hot water and thermal oil heating

Gestra CW41, CW41/4, Cooling-Water Control Valves
Download Technical Sheets

Gestra BW31, Return Temperature Control Valves
Download Technical Sheets

Clorius Self-Acting Temperature Control

 

Temperature control in heating and cooling processes in industrial plants, for h.v.a.c services and marine engineering. For liquids, gases, vapours

Self-Acting Temperature Controllers System Clorius
Download Technical Sheets

Boiler Equipment and Condensate Monitoring

As Europe's largest provider of boiler equipment, GESTRA meets all the needs of today's market: a broad spectrum of products, faster time-to-market for new products, more performance for less money and customized solutions and services. This unique market position is based on extensive experience acquired over more than 50 years in the design and manufacture of high-quality safety-oriented control equipment.

GESTRA technology is tailored to your needs, offering you the right solution – be it conventional or bus-based. Hight-tech for enhanced safety and reliability

● Water Level Control, Monitoring and Limitation
● Temperature Sensor
● Conductivity Control and Monitoring
● Top Blowdown (Continuous Blowdown)
● Bottom Blowdown
● Condensate Monitoring

SPECTOR family
Because one system can no longer satisfy all requirements Safety in operation, availability and cost efficiency are decisive factors for energy supply centres. Production downtimes must be avoided! And an energy supply centre is only as reliable as its weakest component. Therefore, in modern production systems, working without automation and visualisation would now be unthinkable.

Technical requirements, too, are becoming ever more stringent over time, so that these days one system is no longer able to satisfy them all. That is why we are continually expanding our SPECTOR family.

 

SPECTORcompact
Enables simple exchange between existing mechanical systems. Measured values are transmitted as standard signals or can be incorporated in existing controls by means of volt-free relay contacts, with no need for additional electronic control units. Complete controlled systems are also possible.

Features and Benefits of SPECTORcompact
● Patented temperature barrier in cylindrical body above electrode flange
● Terminal box equipped with excess temperature fuse (102 °C)
● Level electrode and controller in one unit
● Optimum system adaptation thanks to modular design
● No mounting of component parts in control cabinet (no wiring and easy planning)
● No special cable required for wiring sensing unit to control cabinet

Compact System for Level Monitoring

Gestra NRGS15-1                                      Download Technical Sheets

● Four tips and an integrated level switching controller
● Service pressure : PN 25, 25 bar at 224 °C
● The equipment works only with water having a min. electrical conductivity of > 0.5 μS/cm at 25 °C.


Gestra NRGS11-1, NRGS16-1                    Download Technical Sheets
Gestra NRGS11-2, NRGS16-2                    Download Technical Sheets
Gestra NRGT 26-1                                      Download Technical Sheets

● The level transmitter can be used in electrically conductive and non-conductive fluids.


Compact System for Conductivity Switch 

Gestra LRGS15-1  Download Technical Sheets
● Used as limit switch and continuous blowdown controller in steam boilers
● Service pressure : PN 25, 25 bar at 224 °C

 

SPECTORbus
Can easily be integrated in automation systems through remote data transmission and parameterization. Plant planning and engineering is considerably simplified, and a great variety of data relevant to the plant can be rapidly transmitted.

Features and Benefits of SPECTORbus
● Reduced cost of control cabinet (only one PG thread, five input terminals and one cable in control cabinet for all sensing units)
● Reduced installation effort and material costs, since only a single four-core cable is required between boiler and control cabinet
● Optimum system adaptation/extension without any additional wiring
● Easy installation and maintenance
● No risk of overheating
● Increased safety

 

Steam Boiler Equipment with BUS Technology
for operation without constant supervision (72 hrs) as per EN 12953

Low Level Limiting with CAN Bus, CANopen Protocol

Gestra NRG16-40, NRG17-40, NRG19-40  Download Technical Sheets
● Associated Controller : NRS1-40 , NRS1-40.1
Gestra NRG111-40  Download Technical Sheets
● Associated Controller : NRS1-40 ,  NRS1-40.1

High-Level Alarm with CAN Bus, CANopen Protocol
Gestra NRG16-41, NRG17-41, NRG19-41   Download Technical Sheets
● Associated Controller : NRS1-41 
Gestra NRG16-41.1, NRG17-41.1, NRG19-41.1   Download Technical Sheets
● Associated Controller : NRS1-40.1

Continuous water level control


Gestra NRG26-40   Download Technical Sheets
● Associated Switch / Controller : NRS 2-40 / NRR 2-40 
Gestra NRG16-42   Download Technical Sheets
● Associated Switch Controller : NRS 1-42

Control Terminal and Display Unit
Gestra URB1    Download Technical Sheets
Gestra URB2    Download Technical Sheets

Conductivity Electrode with CAN bus, CANopen protocol


Gestra LRG16-40, LRG16-41, LRG17-40    Download Technical Sheets
● Consist of a TDS (= Total Dissolved Solids) monitoring electrode for conductivity measurement, a temperature sensor for detecting the fluid temperature and a conductivity transmitter that is fully integrated in the terminal box.
● Associated Controller : LRR1-40 and an operating device type URB or SPECTORcontrol

 

SPECTORmodul
Reduces the systems to their most important functions, is easy to use, low-cost and simple to install. There is a choice of two versions: SPECTORmodul is limited to the most essential functions. SPECTORmodul-Touch has a separate controller and operator terminal. This way, there is no need for any complicated wiring of the sensor, feedback, limit values, valve controls, etc.. in the door of the control cabinet.

 

 

Features and Benefits of SPECTORmodul
● Compact design
● Easily accessible connection terminals
● Supply voltage 24 VDC, i. e. independent of national supply voltages
● Supply via reliable networks possible without additional components (inverters)
● Intuitive operating using rotary pushbutton
● Indication by 7-segment digital display

Features and Benefits of SPECTORmodul-Touch
● Separation of power components and operating level, i. e. no elaborate wiring needed in the control
● Use of a colour touch display for intuitive, clear operating that is language-neutral

 

SPECTORmodule – for operation according to EN 12953

SIL3 Certified Self-Monitoring Low Level Limiter
Gestra NRG16-50, NRG17-50, NRG19-50, NRG111-50 PN40/63/160/320    Download Technical Sheets
● The self-monitoring function ensures that an alarm will also be triggered if the electrode insulation is contaminated or has developed a leak and/or if there is a malfunction in the electrical connection.
● Associated Level Switch : NRS 1-50 (for one electrode)NRS 1-50 (for two electrodes)

SIL3 Certified Self-Monitoring High Level Alarm
Gestra NRG16-51, NRG17-51, NRG19-51, NRG111-51 PN40/63/160/320    Download Technical Sheets
● The self-monitoring function ensures that an alarm will also be triggered if the electrode insulation is contaminated or has developed a leak and/or if there is a malfunction in the electrical connection.
● Associated Level Switch : NRS 1-51

Level Electrode
Conductivity : ON-OFF function
Gestra NRG16-4, 1 tip electrode PN40  Download Technical Sheets
● Associated Level Switch : NRS 1-52, NRS1-53, NRS1-54, NRS1-55 
Gestra NRG10-52, NRG16-52, 4 tip electrode PN40  Download Technical Sheets
● Associated Level Switch : NRS 1-52, NRS1-53NRS1-54, NRS1-55
Gestra NRG16-36, 4 tip electrode PN40 (1 tip self-monitoring)  Download Technical Sheets
● Associated Level Switch : NRS 1-52, NRS1-54, NRS 1-2NRS1-5

Capacitance : Modulating function
Gestra NRG26-21, PN40  Download Technical Sheets     
● Associated Level Switch : NRS 2-50, NRS 2-51, NRR 2-50, NRR 2-51NRR 2-52, NRR 2-53
Gestra NRGT26-1, PN40, 4-20mA  Download Technical Sheets     
● Associated Level Switch : NRS 2-50, NRS 2-51, NRR 2-50, NRR 2-51NRR 2-52, NRR 2-53

 

Continuous Water Level Controller


Gestra NRR2-50, NRR 2-51    

 Download Technical Sheets
● Closed-loop controllers use both capacitance probes and level transmitters from the SPECTORcompact line


Gestra color touch screen NRR2-52, NRR2-53, URB50  

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● Can be used with level electrodes NRG 21-.. and NRG 26-21 as well as the level transmitter NRGT 26-1

 

 

Measuring and Controlling Conductivity (for TDS control)

Gestra Conductivity transmitter LRGT16-1, LRGT16-2, LRGT17-1 PN40/PN63     Download Technical Sheets
● Consists of a conductivity electrode, a temperature sensor for detecting the fluid temperature and a conductivity transmitter unit
(4-20mA) incorporated in the terminal box
● Associated Conductivity Controller and Industrial Controller :
LRR1-51, LRR1-53KS 90-1
● Automatic scale compensation for LRGT16-2


Gestra LRG16-4     Download Technical Sheets
● Associated Conductivity Switch and Conductivity Controller :
LRS 1-50, LRR1-50, LRR1-52 
Gestra LRG16-9 for external boiler installation
● Associated Conductivity Switch and Conductivity Controller :
LRS1-7, LRS 1-50, LRR1-50LRR1-52

 

 

Continuous Blowdown Valves (Top Blowdown) BA, BAE up to PN320
Valve with multi-stage nozzle for modulating control


Features of the BA, BAE series:
● The patented universal nozzle stem permits a much larger setting angle for reliable regulation of the flowrates, which reduces the number of variants needed
● The protective sleeve reduces the amount of wear and decreases the risk of clogging

Gestra BA46, BA47, BAE46, BAE47 Download Technical Sheets
Gestra BAE36, BAE36-1, BAE36-3, BAE28, BAE29, BAE210, BAE211, BAE39 Download Technical Sheets
Gestra BA28, BA29, BA210, BA211  Download Technical Sheets
Continuous Blowdown Ball Valve 510  Download Technical Sheets

 

Gestra Sample Cooler


For the smooth operation of steam boilers, it is especially important to analyse samples of the boiler water. However, to obtain proper and uncorrupted analysis values, you require accurate sampling methods and also testing instruments that function correctly.

Gestra PK Download Technical Sheets
Gestra PK40 Download Technical Sheets

 

Intermittent Blowdown Valves (Bottom Blowdown)
Rapid-Action

Features of the PA, MPA series:
● Longer life and availability through radial stage nozzle downstream of the valve seat
● The large cross-sectional area of the orifice creates a suction effect, giving a short-term high water flow which will discharge the precipitated sludge and sediments
● Patented protection tube and body forging

 

Gestra PA46, PA47, MPA46, MPA47 PN40/PN63 CL600 Download Technical Sheets
Gestra PA110, MPA110 PN250/CL1500  Download Technical Sheets
Programme-Controlled Blowdown System TA7  Download Technical Sheets

 

Condensate Monitoring

Oil and turbidity detector continuous condensate monitoring of transparent liquids to detect any ingress of insoluble foreign matter causing turbidity, such as emulsified oils and greases. Measuring of turbidity and signal evaluation for indication, recording and control. Tripping of alarms, control valves etc

Conductivity control - Monitoring conductive liquids for contamination by foreign matter that increases the conductivity concentration; conductivity monitoring signaling and display.

 

Gestra OR42, OR52 Download Technical Sheets
Gestra OR52/5, OR52/6 Download Technical Sheets
Gestra OR52-7 Download Technical Sheets
Gestra ORGS11-1, ORGS11-2 Download Technical Sheets

 

Special Equipment and Vessels for Heat Recovery

Gestra Deaerating Plants

Mechanism deaerating is provided to avoid corrosion damage to steam boiler plant. Guarantee residual oxygen content < 0.02 mg/l, Standard Rating 0.5 – 120 m3/h, 0.5 barg / 111’C, higher rating on request.

Gestra NDR, SW
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Gestra Steam Regenerators

Steam regenerators are used to produce saturated steam for a secondary system from steam or pressurized hot water. Pure steam, without any contaminants that might be detrimental to health such as hydrazine, is produced. Steam regenerators are therefore especially suited for sterilizing equipment in hospitals, steaming and drying chambers in the foodstuff industry, and for the production of distillates.

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Gestra Steam Purifiers/Driers (Steam Separators)

Steam separators are used to remove condensate and dirty water carry-over from steam. By this means trouble-free operation and a long service life of the heat exchanger and steam equipment is obtained.

Gestra TP
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Gestra Desuperheating Plants

GESTRA injection coolers are used wherever there is a need for desuperheating without having to reach the saturation temperature. Cooling takes place through direct spraying of water. The desired steam temperature or required quantity of cooling water (condensate) is set by means of a temperature-controlled condensate injection valve, the temperature sensor of which is arranged downstream of the cooler and obliquely to the flow The atomization process is performed by finnozzles producing very small droplets.

 

GESTRA Water-bath type is a solution for desuperheating to reach the saturation temperature.

 

Gestra KDS 13, KDL 13
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Gestra EK
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Gestra Condensate Recovery and Return Systems

Condensate tanks are used to collect the condensate coming from steam users or flash vessels. From the tank the condensate is pumped into the deaerator by level-controlled pumps.

Gestra SDR-A
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Gestra SDR-I
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Gestra SDI, SDs
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Gestra Steam Powered Condensate Return Units

Condensate tanks are used to collect the condensate from steam processors or flash vessels. From the tank the condensate is returned to the main condensate tank or deaerator with the aid of level-controlled booster steam. Both no moving part electrode level control and float regulator level control are available for selection

Gestra FPS14
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Gestra FPS11
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Gestra KH
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Gestra Heat Exchanger Units

The unit is completely assembled and interconnected and mounted on a stable base frame.

consists of:
plate-type heat exchanger, completely welded, in shell & plate design

equipped with:
on steam side: shut-off valve, strainer and electrically operated control valve with safety resetting device on condensate side: pump trap, non-return valve, shut-off valve

measuring & control equipment: safety temperature limiter, safety pressure limiter, temperature sensor, temperature controller, thermometer, pressure gauge, safety valve

Gestra PWT-XPS
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Gestra Flash Vessels

Condensate flash vessels can be used in all steam plants where condensate from steam consumers is reduced to a lower pressure. This pressure drop constitutes a change of the energy content that causes some of the condensate to revaporize and form flash steam.

In the flash vessel the flash steam is separated from the water, and then fed into a low-pressure steam system. The condensate remaining in the flash vessel is discharged into a condensate tank.

Gestra VD23H/V, VD26H/V
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Gestra VD
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Gestra Blowdown Receiver (Mixing Cooler)

Mixing coolers are blowdown receivers that cool hot waste water that can no longer be used for heat recovery and therefore is discharged into pits, drains or sewage systems.

Gestra VDM
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Gestra Sample Cooler

For the smooth operation of steam boilers, it is especially important to analyse samples of the boiler water. However, to obtain proper and uncorrupted analysis values, you require accurate sampling methods and also testing instruments that function correctly.

Gestra PK
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Gestra PK40
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Gestra Condensate Dampening Pot

The condensate dampening pot provides cushioning effect to neutralize waterhammer. The condensate is discharged without noise.

Gestra ED
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Steam Glass System and Technical Information

Gestra Stram Glass System - Steam Generator

 

Gestra Stram Glass System - Thermostatic Steam Trap MK45

 

Gestra Stram Glass System - Ball-Float Trap UNA16

 

Gestra Stram Glass System - Deaeration

 

Gestra Stram Glass System - Waterhammer

 

Technical Information

GESTRA Product Overview
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GESTRA Technical Information
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GESTRA Condensate Manual
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GESTRA Guide
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GESTRA Information A 1.1 - Physical basis for evaluating steam-trap performance
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GESTRA Information A 1.2 - Automatic drainage of steam and condensate systems during start-up and shut-down 
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GESTRA Information A 1.3 - Waterhammer and how to avoid it
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GESTRA Information A 1.4 - Trapping of steam tracers with elevated steam traps
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GESTRA Information A 1.5 - How to avoid operating trouble in steam and condensate systems caused by freezing of equipment and plant
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GESTRA Information A 1.6 - Ball-float traps drainage of compressed-air plants
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GESTRA Information A 1.7 - Automatic deaeration of steam-heated heat exchangers
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GESTRA Information A 1.8 - Drainage of rotary cylinders
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GESTRA Information A 2.2 - DISCO non-return valves RK examples of application
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GESTRA Information A 2.3 - Energy savings through correct selection of the check valve
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GESTRA Information A 2.4 - Sizing of vacuum breakers
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GESTRA Information A 2.6 - Sizing and installation of check (non-return) valves
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GESTRA Information A 4.1 - Cutting the Cooling-Water Consumption
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GESTRA Information B 1.2 - Minimizing heat and water losses due to contrinuous blowdown control
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GESTRA Information B 1.3 - Advantages of turbidity measurement
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GESTRA Information B 1.4 - Reliable methods for electrolytic conductivity measurement
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GESTRA Information B 5 - ASME conformity for the new GESTRA intermittent blowdown valves PA 46/47 and MPA 46/47
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GESTRA Information C 1.2 - Utilization of the sensible heat of condensate
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GESTRA Information D 1.1 - Description of the demonstration test stand for steam traps and test stand demonstration programme
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