List of products by brand Gestra

GESTRA – Technical profile of a steam, condensate and boilerhouse equipment manufacturer

GESTRA is a German manufacturer of steam and condensate equipment for boilerhouses, steam distribution systems, heat exchangers, condensate recovery and industrial thermal processes. The product range covers steam traps, boiler controls, blowdown valves, check valves, control valves, strainers and packaged steam systems.

The main product areas include:

  • mechanical and thermostatic steam traps,
  • thermodynamic steam traps,
  • automatic start-up drainage valves,
  • bottom blowdown valves,
  • continuous blowdown valves,
  • level controls and limiters,
  • TDS and conductivity control,
  • wafer check valves,
  • dual plate check valves,
  • pressure reducing and control stations,
  • condensate return units,
  • flash vessels,
  • deaerators,
  • desuperheaters,
  • steam trap monitoring systems.

Steam trap selection must be based on condensate load, differential pressure, back pressure, start-up load, air venting and application type. Float traps are commonly used for heat exchangers and variable condensate loads. Thermostatic and bimetallic traps are used in tracing, air heaters and superheated steam applications. Thermodynamic traps are compact and suitable for distribution line drainage and tracing, provided the duty is appropriate.

Boilerhouse equipment such as bottom blowdown, continuous blowdown, level control and TDS control directly affects boiler safety, water quality and thermal efficiency. These components should be specified according to boiler design, operating pressure, water treatment and applicable boiler standards.

Condensate recovery systems, flash vessels and deaerators are part of the overall steam balance. Their selection requires condensate flow, pressure, temperature, flash steam quantity, boiler feedwater demand and available return pressure.

GESTRA products are relevant for steam specialists, boilerhouse engineers, process engineers and maintenance teams. In steam systems, equipment selection must be based on actual operating data rather than nominal pipe size alone.

Ball float steam trap - UNA | Gestra | Philippopoulos s.a.

Ball float steam trap - UNA | Gestra

Ball float steam trap - UNA | Gestra
Gestra
GESTRA UNA 38 Float Steam Trap The GESTRA UNA in PN100 configuration is a float steam trap designed for high-pressure applications, featuring a 1.5415 body and needle seat mechanism. Operation is based on condensate level: the float opens the rolling valve, with flow dependent on orifice size and available differential pressure. Technical Specifications...
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Automatic Drainage Valve type AK | Gestra | Philippopoulos s.a.

Automatic Drainage Valve type AK | Gestra

Automatic Drainage Valve type AK | Gestra
Gestra
Automatic Drain Valve GESTRA AK 45 The GESTRA AK 45 is an automatic drain valve designed for steam lines during startup and shutdown. It remains open without pressure via an integrated spring and closes when the system pressure reaches the set closing pressure. The factory setting for closing is 0.8 bar differential pressure. Technical Specifications...
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Ball float steam trap with pump function - UNA | Gestra | Philippopoulos s.a.

Ball float steam trap with pump function - UNA | Gestra

Ball float steam trap with pump function - UNA | Gestra
Gestra
GESTRA UNA 25-PK / UNA 25-PS with Pump Functionality The GESTRA UNA 25-PK / UNA 25-PS is a PN40, DN40 unit designed for condensate removal from steam systems using motive steam. It is utilized when the pressure at the outlet of a heat exchanger or heating element falls below the backpressure of the return line, and a simple steam trap cannot evacuate....
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Bottom Blowdown Valve | Gestra | Philippopoulos s.a.

Bottom Blowdown Valve | Gestra

Bottom Blowdown Valve | Gestra
Gestra
GESTRA Bottom Blowdown Valve The GESTRA bottom blowdown valve is designed for intermittent removal of sludge, salts, and non-metallic solids from the lowest point of steam boilers. Operation is based on rapid opening and closing; an opening time of approximately 2–3 seconds generates a high instantaneous flow and suction at the boiler bottom. Prolonged...
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Disc check valve - RK | Gestra | Philippopoulos s.a.

Disc check valve - RK | Gestra

Disc check valve - RK | Gestra
Gestra
GESTRA RK – Spring-Loaded Disc Check Valve The GESTRA RK is a wafer-type check valve designed for installation between flanges. The disc opens via differential flow pressure and closes automatically by spring force, without the need for an actuator. With a spring, installation is possible in any orientation; without a spring, use is limited to vertical...
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Condensate Return Unit | Gestra | Philippopoulos s.a.

Condensate Return Unit | Gestra

Condensate Return Unit | Gestra
Gestra
GESTRA Condensate Return Unit – Condensate Return Module The GESTRA condensate return unit collects condensate from steam consumers or flash vessels and returns it to the feedwater tank, typically via a deaerator. The setup can be configured with a rectangular or cylindrical tank, electric pumps on a skid, or a steam-driven mechanical pump. Operation...
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Continuous Blowdown Valve | Gestra | Philippopoulos s.a.

Continuous Blowdown Valve | Gestra

Continuous Blowdown Valve | Gestra
Gestra
GESTRA Surface Blowdown Valve The GESTRA continuous surface blowdown valve is installed on the surface blowdown line of steam boilers to control TDS (Total Dissolved Solids) and conductivity levels. Continuous evaporation increases dissolved solids in boiler water; if not removed, this leads to scale formation and increases the risk of carry-over into the...
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Desuperheater Systems | Gestra | Philippopoulos s.a.

Desuperheater Systems | Gestra

Desuperheater Systems | Gestra
Gestra
GESTRA Desuperheater Systems – Steam Desuperheating Systems GESTRA desuperheating systems are utilized when available steam is superheated, but the end-user requires saturated or controlled cooler steam. GESTRA offers two primary principles: injection cooler EK with water spray and water-bath desuperheater KDS/KDL 13 with water bath cooling. Injection...
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Dual plate Check valve - BB | Gestra | Philippopoulos s.a.

Dual plate Check valve - BB | Gestra

Dual plate Check valve - BB | Gestra
Gestra
GESTRA BB DISCOCHECK – Dual Plate Check Valve The GESTRA BB is a wafer-type dual plate check valve designed for installation between flanges. It features two independently moving plates, dual shafts, and four springs. The valve operates without an actuator; closure is achieved via spring force and differential pressure. Suitable for both horizontal and...
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Wireless steam trap monitoring - ecoBolt | Gestra | Philippopoulos s.a.

Wireless steam trap monitoring - ecoBolt | Gestra

Wireless steam trap monitoring - ecoBolt | Gestra
Gestra
GESTRA ecoBolt – Wireless Monitoring of Steam Traps The ecoBolt MSB is utilized for continuous monitoring of steam traps regarding live steam loss and condensate accumulation. Diagnosis is based on ultrasonic measurement and temperature via a piezoelectric sensor, with evaluation at the LoRa node and data transmission to a LoRa gateway. Operating...
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Feedwater Deaerating Units | Gestra | Philippopoulos s.a.

Feedwater Deaerating Units | Gestra

Feedwater Deaerating Units | Gestra
Gestra
GESTRA Feedwater Deaerating Units – Feedwater Deaeration Systems GESTRA deaerating units are utilized in steam boiler plants to remove dissolved O₂, CO₂, and non-condensable gases from feedwater. The presence of these gases increases the risk of corrosion in boilers, tanks, condensate lines, and feed pumps. Operating Principle Softened water and returning...
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Flash Vessels | Gestra | Philippopoulos s.a.

Flash Vessels | Gestra

Flash Vessels | Gestra
Gestra
GESTRA VD – Condensate Flash Vessels GESTRA VD flash vessels are utilized in steam networks where hot condensate, boiler blowdown, or hot water is depressurized to produce flash steam. The vessel separates low-pressure steam from liquid condensate, directing steam to a low-pressure network or deaerator, while returning condensate to the feed system....
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Gravity Circulation Non-Return Check Valves | Gestra | Philippopoulos s.a.

Gravity Circulation Non-Return Check Valves | Gestra

Gravity Circulation Non-Return Check Valves | Gestra
Gestra
GESTRA SBO – Check Valve for Gravity Circulation Control The GESTRA SBO 11, SBO 21, and SBO 31 are spring-loaded check valves designed for installation in heating and domestic hot water circulation systems. Their primary function is to prevent unwanted gravity circulation when the pump is off, thereby avoiding undesired thermal flows within the piping...
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High capacity steam trap - GK / TK | Gestra | Philippopoulos s.a.

High capacity steam trap - GK / TK | Gestra

High capacity steam trap - GK / TK | Gestra
Gestra
GESTRA GK / TK – High-Capacity Steam Traps The GESTRA GK and TK series are designed for continuous removal of large condensate volumes at low to medium differential pressures. They are applicable in evaporators, large heat exchangers, boilers, cookers, and chemical and petrochemical processes. The TK 23/24 handles capacities up to 140 t/h, while the GK...
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Level Electrodes - SPECTORcompact | Gestra | Philippopoulos s.a.

Level Electrodes - SPECTORcompact | Gestra

Level Electrodes - SPECTORcompact | Gestra
Gestra
GESTRA SPECTORcompact – Level Electrodes with Integrated Evaluation The SPECTORcompact series is applied in steam boilers, pressurized hot water systems, condensate tanks, and feedwater vessels. Unlike systems with separate electronic controllers, signal evaluation is integrated into the electrode head, reducing external modules in the control panel....
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Level Controllers - SPECTORmodul | Gestra | Philippopoulos s.a.

Level Controllers - SPECTORmodul | Gestra

Level Controllers - SPECTORmodul | Gestra
Gestra
GESTRA SPECTORmodul – Boiler Level Controllers The GESTRA SPECTORmodul level controllers are designed for use in steam boilers, pressurized hot water systems, condensate tanks, and feedwater tanks. They interface with level electrodes NRG 21 / NRG 26-21 or transmitter NRGT 26, converting the signal to a 0–100% indication of the boiler’s measuring range....
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Level Electrodes (Limiters) - SPECTORconnect | Gestra | Philippopoulos s.a.

Level Electrodes (Limiters) - SPECTORconnect | Gestra

Level Electrodes (Limiters) - SPECTORconnect | Gestra
Gestra
GESTRA SPECTORconnect – Level Electrode Limiters The GESTRA SPECTORconnect level electrodes are designed for use in steam boilers and hot water systems as level limiting devices. Measurement is based on water conductivity: the electrode rod is detected as immersed or non-immersed, with the switching point determined by rod length. Operating Versions NRG...
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Level Electrodes (Limiters) - SPECTORmodul | Gestra | Philippopoulos s.a.

Level Electrodes (Limiters) - SPECTORmodul | Gestra

Level Electrodes (Limiters) - SPECTORmodul | Gestra
Gestra
GESTRA SPECTORmodul – Level Electrode Limiters The GESTRA SPECTORmodul series comprises level limiting devices for steam boilers and pressurized hot water systems. The range includes low-level electrodes NRG 16-50 / 17-50 / 19-50 / 111-50 with electronic switch NRS 1-50, and high-level electrodes NRG 16-51 / 17-51 / 19-51 / 111-51 with NRS 1-51. Operating...
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Measuring Pots | Gestra | Philippopoulos s.a.

Measuring Pots | Gestra

Measuring Pots | Gestra
Gestra
GESTRA MF – Level Measurement Vessel The GESTRA MF is an external measurement cylinder for boilers, tanks, and hot water systems where direct electrode installation on the shell is impractical or unsuitable for the process. It hydraulically connects to the vessel, creating a protected chamber for a level electrode or transmitter. Process Operation The...
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Drainage Module Series QuickEM | Gestra | Philippopoulos s.a.

Drainage Module Series QuickEM | Gestra

Drainage Module Series QuickEM | Gestra
Gestra
GESTRA QuickEM – Preassembled Steam Drainage Unit The GESTRA QuickEM is a drainage unit designed for steam lines, collectors, and heat exchangers. It is delivered as a preassembled set with piping, flanges, gaskets, and essential isolation components, ensuring the steam trap is installed with predictable layout and correct flow direction. Unit...
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Sample Coolers | Gestra | Philippopoulos s.a.

Sample Coolers | Gestra

Sample Coolers | Gestra
Gestra
GESTRA PK 40 – Sample Cooler for Boiler Water and Condensates The GESTRA PK 40 is utilized for safe sampling of boiler water, feedwater, and condensates. Cooling the sample prior to analysis minimizes flashing, which can distort TDS, pH, and oxygen measurements, particularly in high-temperature samples from pressurized circuits. Operating Principle The...
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Sight glass - VK | Gestra | Philippopoulos s.a.

Sight glass - VK | Gestra

Sight glass - VK | Gestra
Gestra
GESTRA VK – Flow Indicator / Vaposcope for Steam Traps The GESTRA VK is a dual-sided flow indicator designed for monitoring flow in steam and condensate lines. It is installed upstream of the steam trap, allowing operators to identify normal condensate discharge, condensate backup, or live steam leakage. It features no moving parts and does not function...
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Steam Generators | Gestra | Philippopoulos s.a.

Steam Generators | Gestra

Steam Generators | Gestra
Gestra
GESTRA Steam Generator / Regenerator – Pure Steam Generator The GESTRA pure steam generator produces saturated steam in a secondary circuit, utilizing an existing steam, hot water, or thermal oil network as an energy source. It is applied when process steam must not contain substances from the main boiler house, such as hydrazine or ammonia. Operating...
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Steam trap for universal connector | Gestra | Philippopoulos s.a.

Steam trap for universal connector | Gestra

Steam trap for universal connector | Gestra
Gestra
GESTRA Steam Traps for Universal Connector GESTRA steam traps for universal/swivel connectors are compact stainless steel units designed to attach to a fixed piping connector with two bolts. This installation logic minimizes interventions in the piping: the steam trap unit can be replaced without cutting or disassembling the line. Compatible Functional...
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