SKU RSV-RK76 Category

Check valve RK76

High-pressure valve made of chrome steel for steam and aggressive media up to PN40.

Data sheet

Product information

The RK76 check valve from GESTRA is the ideal solution for high-pressure and high-temperature applications. With its robust chrome steel construction, spring-loaded function and compact design, it offers maximum safety and reliability in power plants, chemical plants and process plants.

Special features

  • Intermediate flange version to EN 1092, PN6/10/16/25/40
  • ASME Class 125/150/300 optional
  • Chrome steel body 1.4107
  • Temperature range: -10°C to +300°C (metallic sealing)
  • Nominal pressure: PN40 (ASME Class 300 up to 49.6 bar)
  • Seat seal: Metallic (optional EPDM, FPM, PTFE)
  • Any installation position (horizontal or vertical)

Advantages

  • Suitable for high-pressure and high-temperature areas
  • High corrosion resistance
  • Maintenance-free construction
  • Compact short length according to EN 558-1, series 49
  • Optional special springs for defined opening pressures

Variants

  • Sizes: DN15-DN100
  • Materials:
    Body: Chrome steel 1.4107
    Valve disc and spring: Stainless steel 1.4571
  • Special versions:
    Without spring for very low opening pressures
    Special springs (20-1000 mbar)
    Silicone-free, oil and grease-free, PTFE gasket for aggressive media

Areas of application

  • Power plants
  • High-pressure steam systems
  • Chemical and petrochemical industry
  • SKID systems and pipe assemblies
CharacteristicValue
Nominal pressurePN 40 / ASME Class 300
Nominal sizeDN 15 –
DN 100
Temperature range-10°C to +300°C
BodyChrome steel 1.4107 /
Stainless steel interior parts
GasketMetallic / EPDM / FPM / PTFE
Installation positionAny

Check valves for SKID systems and pipe assemblies

Our check valves offer a compact solution for standard installations and can be seamlessly integrated into piping systems – ideal for SKID systems, modular assemblies and complex process lines.

Your advantages:

  • Ready-to-install SKID solutions: We supply complete pipe assemblies with integrated check valves.
  • Standard-compliant design: Adaptations in accordance with EN 1092-1, ASME B16.5 and Pressure Equipment Directive 2014/68/EU.
  • Individual configuration: For water, steam, gas and aggressive media – including automation and documentation.

Whether pump station, valve stand or pipe production – our engineering teams ensure precise design and ready-to-install delivery. This saves you time, reduces interfaces and increases operational reliability.

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FAQs

Which media are suitable?

Steam, hot water and aggressive media.

Yes, horizontal and vertical installation position possible.

EN 1092, EN 12266, Pressure Equipment Directive 2014/68/EU.

Yes, PTFE gasket, special springs and ASME versions are available.

Yes, the construction is maintenance-free.

Insulation – In combination with fittings and containers

Our insulations are more than just accessories – they perfectly complement fittings and systems and increase efficiency, safety and adaptability.
Order and configure now.

We offer:

  • Custom-made insulating pads to fit your fitting
  • Heating jacket integration – reliable even under extreme conditions
  • Insulation jackets and pipe insulation for SKID assemblies – ideal for modular systems and complex systems
  • Special solutions for high temperatures – for power plants, the chemical and process industries
Armaturenfabrik Valve insulation High-temperature pipe insulation with IFS-Plast25 insulation pads and IFS-MW20 mineral wool for SKID systems, process plants

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