Technical Specification
Size Range | 2” ~56” (DN50~DN1400) |
Class Range | 150Lb~2500Lb (PN10~PN420) |
Actuation Options | Manual, Gear |
Design Standard | API 6D, API 608, ISO 17292, ASME B16.34 |
Temperature | -46°C to +200°C |
Seat Options | PTFE, RPTFE, Devlon V, Peek |
End Connection | RF/ RTJ – ASME B16.5 / B16.47; BW – ASME B16.25 |
F – F Dimension | ASME B16.10 |
Construction | FB/RB; 2PCS Body; Soft/Metal Seat; Floating/Trunnion Mounted |
Design Features | DBB; Relief Cavity; Emergency Sealant Injection; Vent & Drain; Antistatic; Blowout Proof Stem; Fire Safe (As Per API 607) |
Special | NACE; Cryogenic; Extended Stem; Fugitive Emission; Lip Seal |
Material | Forged & Cast CS, LTCS, SS, AS and Special Steel |
Applications | Oil & Gas, Chemicals, Waters, Power, Marine, Mining, etc. |
Features that Add Value:
- 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
Special Features:
- Accessibility to all the valve internals from the top
- In-line valve maintenance, without disassembling the valve from the pipeline
- Reduces maintenance downtime
- Body cover joint not exposed to pipeline stresses