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