Project Description
Standard features Trunnion 3 piece ball valves:
- Size range: 2 to 64 in
- ASME classes: 150 to 1500
- Trunnion-mounted design
- Double-barrier stem seals
- Stem separate from the ball
- Antiblowout stem design
- Stem emergency grease fitting
- Low-friction, metal-backed, self-lubricating PTFE sleeve bearings and thrust washers
- Primary metal-to-metal seal and protected secondary O-ring seal
- Double-piston-effect seat rings (double-sealing barrier in both directions)
- Double block-and-bleed capability
- Pressure-relief valve in the body cavity to prevent pressure lock
- Sealant injection system for emergency seat sealing
- Factory-positioned external stops
- Integral stop in the adapter plate for a permanent reference to open and closed positions
- Electroless nickel coating on pressure-controlling parts and stem
- CE marking (PED)
Optional features
- Triple-barrier stem seals
- Self-relieving seat rings
- Plastic polymer insert for seat sealing
- PTFE spring-energized lip seals for seat and stem sealing
- Metal-to-metal seat sealing
- Stainless steel or INCONEL 625 overlay on sealing areas
- Explosive-decompression-resistant seals (standard for Class 600 and higher)
- Antistatic device
- Fire safe in accordance with API Specification 607
Standards compliance
- Fire safe in accordance with API 6FA, API 6D, API 607 and BS 6755 Part 2
Trunnion-mounted ball valve
- Sizes: 2 to 16 in [50 to 400 mm]
- Pressure classes: 150 to 5,000
- Features and specifications
- Provisions for secondary seat sealant or stem sealant injection
- Designed in accordance with ANSI B16.34
- Manufactured and tested in accordance with API 6D
- Fire tested to API 607 and API 6FA
- NACE MR0175/ISO 15156
Trunnion-mounted ball valve
- Sizes: 2 to 16 in [50 to 400 mm]
- Pressure classes: 150 to 2500
- Features and specifications
- Double block-and-bleed operation
- API 6D, 598, 608, and 607 6th Ed. fire test
- NACE MR0175/ISO 15156 for buried service
- ASME B16.34 (valves, flange end)
- Optional standards
- CE/PED
- ISO 5211 top works
- CRN