Features and benefits:
- 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
Versatile Solutions:
- Wide portfolio of Side-entry and Top-entry designs
- Options: Buried service, Cryogenic
- Offered with Electric, Pneumatic and Hydraulic Actuators
- In-house Tests Capabilities – Cryogenic Test, Pipe Bending Test, Vacuum Test and Fast Closure Test
Size range(s):NPS 2 – 56 (DN 50 – 1400)Pressure rating:ASME Classes 150 – 1500Standard :API 6D