Floating Ball Valves
Size | ¼" to 8" (8 mm to 200 mm) |
ASME Class | Class 150 to 2500 |
Design Standard | ISO 17292, API 608, API 6D |
- Fire-safe to ISO 10497 and API 607
- Mirror-finished solid stainless ball
- Fine-grained PTFE seats
- Cavity Pressure Relief mechanism
- Blowout-proof stem
- High integrity stem sealing – Belleville springs compensate for wear and thermal expansions
- Antistatic feature
- Actuator-mounting flange conforms to ISO 5211
- SIL3 Safety Integrity Level for Automated Valves
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Trunnion-mounted Ball Valves
Size | 2" to 56" (50 mm to 1400 mm) |
ASME Class | Class 150 to 2500 |
Design Standard | API 6D |
- Double block and bleed (DBB) feature - Valves are designed and tested for automatic cavity relief
- Anti-blowout stem design
- Coil springs used for consistent seat loading and lower operating torque
- Lip seals provided for low temperature services
- 2/3 stage Stem and 2 stage Body Joint sealing system; Primary O ring and Secondary graphite (in 3 stage stem, thrust washer is primary)
- Where tight shut off is required, Double piston effect (DPE) seats provided for redundancy in sealing
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