GSR Ventiltechnik
GSR Valves – Precision Engineered in Germany
For over 50 years, GSR Ventiltechnik GmbH & Co. KG has been a trusted global manufacturer of high-quality solenoid and pressure-controlled valves for liquids and gases. Built with German engineering excellence, GSR valves are designed for reliable performance, long life, and safe operation across a wide range of industries.
GSR offers both standard valve solutions and fully customized valve configurations tailored to demanding applications.
Core Specializations
- High-pressure valves / Hydrogen valves rated up to 1,200 bar
- Low-pressure valves operating down to –0.9 bar
- High-temperature valves capable of handling up to +400°C
- Cryogenic valves for extreme low-temperature use down to –196°C
- Custom valve block manufacturing for integrated system solutions
Whether you require precision control for liquids, gases, steam, hydrogen, or cryogenic media, GSR valves deliver unmatched reliability with German quality and engineering you can trust.
Series 40 – 2/2-Way Diaphragm Valve
A durable diaphragm-sealed 2/2-way valve for reliable control of liquids and gases in low to medium pressure applications.
Key Specifications
- Connection: G1/4 to G3
- Seat Diameter: 13.5–80 mm
- Pressure Range: 0.3–20 bar
- Materials: Brass 2.0402 or Stainless Steel 1.4581
- Medium Temperature: –10 °C to +80 °C
Highlights
- Leak-free diaphragm design
- Robust housing options
- Suitable for water, neutral media, and general industrial use
Product Ranges
Solenoid Valves Pilot Operated
The GSR 40 Series is a robust 2/2-way valve with diaphragm seal, designed for reliable shut-off and control of liquids and gases across a wide range of industrial applications. Available with connection sizes from G1/4 to G3 and nominal diameters of 13.5 to 80 mm, the valve operates efficiently within a pressure range of 0.3 to 20 bar. It is offered in brass (2.0402) or stainless steel (1.4581) construction to suit different media and corrosion requirements, and is suitable for operating temperatures from -10 °C to +80 °C. The diaphragm-sealed design ensures tight shut-off, reduced leakage risk, and low maintenance, making the GSR 40 Series a dependable solution for demanding process conditions.
High-Pressure Valves
The Series 55 and 75HD solenoid valves are direct-acting valves with nipple seal design, engineered for reliable operation in high-pressure applications. Series 55 is a 2/2-way solenoid valve with a G 1/4 connection, suitable for orifice sizes from 0.5 to 6.0 mm and operating pressures up to 900 bar, available in brass and stainless steel. Series 75HD is a 3/2-way solenoid valve with a G 1/4 connection, designed for 1.0 to 5.0 mm orifices and pressures up to 300 bar, offered in brass or stainless steel (AISI 304) for demanding industrial applications.
The 52-S and 1/041 FL solenoid valves are designed for reliable control in high-pressure industrial applications. Model 52-S is a direct-acting 2/2-way solenoid valve with nipple seal, featuring a G 1/4 connection, 1–1.5 mm orifice, and operating pressures up to 150 bar, available in brass and stainless steel. The 1/041 FL is a 2/2-way force pilot-operated solenoid valve with piston seal, supplied with flanged connections from DN15 to DN100, suitable for pressures up to 130 bar, and offered in carbon steel or stainless steel construction for robust industrial use.
Refrigeration and Cryogenic Valves Down to - 196 °C
The K35 and K37 solenoid valves are 2/2-way, force pilot-operated valves with piston seal, designed for reliable operation in industrial process applications. K35 features G 1/4 to G 2 threaded connections with sizes from 13.5 to 50 mm, operates at pressures up to 40 bar, and is available in brass or stainless steel construction, with a temperature range of −60 °C to +80 °C. K37 is offered with DN15 to DN50 connections in sizes from 15 to 50 mm, also rated up to 40 bar, and is available in cast iron, cast steel, or stainless steel, suitable for demanding service conditions within a −60 °C to +80 °C operating temperature range.
High Temperature Valves Up To +400 °C
The 35DT and 37DT solenoid valves are 2/2-way, force pilot-operated valves with piston seal, designed for high-temperature industrial applications. Model 35DT features G 1/4 to G 2 threaded connections with sizes from 13.5 to 50 mm, operates at pressures up to 40 bar, and is available in brass or stainless steel construction, suitable for operating temperatures up to +250 °C. Model 37DT is supplied with DN15 to DN100 connections, also rated up to 40 bar, and is available in cast steel or stainless steel, making it ideal for demanding process conditions with operating temperatures up to +250 °C.
High Temperature Valves Up To +200 °C
The 40TM and 28TM solenoid valves are 2/2-way, pilot-operated valves with diaphragm seal, designed for reliable performance in industrial process applications. Model 40TM features G 1/4 to G 2 threaded connections with sizes from 13 to 50 mm, operates at pressures from 0.3 to 20 bar, and is available in brass or stainless steel construction, suitable for operating temperatures up to +140 °C. Model 28TM is supplied with DN15 to DN50 connections, also rated for 0.3 to 20 bar, and is available in cast iron, cast steel, or stainless steel, making it suitable for demanding applications with operating temperatures up to +140 °C.