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
