Check Valves

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Check Valves


Check Valves - Pressure-seal

Size 3" to 42" (80 mm to 1050 mm)
ASME Class Class 600 to 4100
Design Standard ASME B 16.34

Beyond Standards:

  • Pressure-seal Check Valve conforms to ASME B 16.34.
  • CE Marking - Meets requirements of Pressure Equipment Directive 2014/68/EU, Annexure III, Module H
  • Atex - Meets requirements of Atex Directive 94/9/EC (ATEX), category 2 non-electrical equipment
  • Safety Integrity Level for Automated Valves - SIL 3 certification available

Features that Add Value:

  • Valves in intermediate reduce cost of ownership
  • Pressure-Seal mechanism utilizes line pressure to enhance seal; ensures sealing integrity at higher operating pressures.
  • Higher hardfacing thickness (3 mm) to ensure consistent hot hardness
  • Customised deposition process in F91/ C12A valves to avoid delamination of hardfaced surfaces
  • Live loading of bonnet bolts for F91/ C12A valves

Versatile Solutions:

  • Available in a cast and forged steels and exotic metallurgies for a wide variety of applications
  • By-pass arrangement provided for over-pressure protection based on customer requirement
  • ValvTrac™ RFID tagging offered for reliable digital traceability