Categories | Trunnion Mounted Ball Valve |
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Brand Name: | GOLD TOP |
Certification: | API6D |
Place of Origin: | 中国 |
MOQ: | 1 pcs |
Price: | Negotiation |
Supply Ability: | 100+pcs+30 days |
Delivery Time: | 30 days |
Packaging Details: | Plywood Case |
Size: | 2''-48'' |
Material: | Carbon / Alloy / Duplex / Stainless Steel |
Design Standard: | API6D |
Operater: | Gear / Electric / Pneumatic |
Stem: | Blow Out Proof |
Seat: | PTFE / RPTFE / Metal to Metal |
Class: | 150# ~ 2500# |
Metal to Metal Trunnion Mounted Ball Valve Nace MR-01-75 B16.34 ENP Stellite
Fully Welded Trunnion Mounted Ball Valve
APPLICATION
Fully Welded Trunnion Ball Valve is commonly selected for applications such as Gas Transmission, Dehydration systems, Natural gas storage, Compressor stations, NGL plants. Its function is ON/OFF only and must not be used for flow control.
The ball on a trunnion ball valve does not move with medium pressure. Trunnion ball valves have floating seats. This valve uses pressure-actuated seats with locked-in non-metallic face seals. To assure tight sealing at low pressures, special springs force the seats against the ball. At the higher pressures, the upstream seat is forced against the ball by the pressure working across the differential between the area of the seat insert and the seat O-Ring. The higher is the pressure, the more the seal pushes.
ON/OFF, Leakage Rate A (resilient seated). Bi-directional Design. Pressure Class: ANSI 150 to 2500# Size range: 2" to 60" Design Temperatures: -46°C to +240°C. Design API 6D. End to End: ASME B16.10. Line Connections: ASME B16.5-B16.47, ASME B16.25.
SIZES AND PRESSURE CLASSES | ||||
SERVICE | ASME CL. 150-600 | ASME CL. 900 | ASME CL. 1500 | ASME CL. 2500 |
STANDARD (ABOVE AND BELOW GROUND) | 2”-60” | 2”-48” | 2”-36” | 2”-16” |
SUBSEA (API 6DSS) | 2”-48” | 2”-36” | 2”-24” | 2”-16” |
LOW TEMPERATURE / CRYOGENIC DOWN TO -196°C | N/A | N/A | N/A | N/A |
HIGH TEMPERATURE < +500°C | N/A | N/A | N/A | N/A |
Other sizes and classes available upon request
KEY FEATURES AND APPLICATIONS | |
FULL AND REDUCED BORE | API 6D/6DSS |
RF, RTJ, WE, PUP, HUB ENDS | FIRESAFE |
SOFT AND METAL SEATED DESIGN | ONSHORE, OFFSHORE, SUBSEA |
ORING AND LIPSEAL DESIGN | ABOVE GROUND, UNDERGROUND |
SR, DPE, DUAL SEAT DESIGN | ESD |
CS, SS, DUPLEX, SUPERDUPLEX, INCONEL, INCOLOY ALL TYPES | |
MANUAL AND ACTUATED |
DESIGN FEATURES | |||
API 6D DESIGN AND CONSTRUCTION | STANDARD | DOUBLE BODY BARRIER | STANDARD |
FACE-TO-FACE DIMENSIONS TO API 6D AND ANSI B16.10 | STANDARD | TRIPLE STEM BARRIER | STANDARD |
INDEPENDENT STEM AND BALL | STANDARD | VENT PLUG | STANDARD |
FLOATING SEATS | STANDARD | BLEED VALVE | OPTIONAL |
SOFT SEAT INSERT | STANDARD | DRAIN PLUG | STANDARD |
PRIMARY METAL – SECONDARY SOFT SEAT | OPTIONAL | STEM INJECTION FITTING | STANDARD |
METAL-TO-METAL SEATS | OPTIONAL | SEAT INJECTION FITTING | OPTIONAL |
O-RING TYPE SEALS | STANDARD | SEAT POCKET OVERLAY | OPTIONAL |
POLYMERIC LIP-SEALS | OPTIONAL | SEAL AREAS OVERLAY | OPTIONAL |
SELF-RELIEVING SEATS (SR) | STANDARD | WETTED PARTS OVERLAY | OPTIONAL |
DOUBLE ISOLATION AND BLEED (DIB-1) (DOUBLE PISTON EFFECT) (DPE SEATS) | OPTIONAL | BODY INTERNAL LINING | OPTIONAL |
DOUBLE ISOLATION AND BLEED (DIB-2) (DUAL SEAT) (SR+DPE) | OPTIONAL | EXTENDED STEM FOR UNDERGROUND INSTALLATION | OPTIONAL |
DOUBLE BLOCK & BLEED (DBB) | OPTIONAL | EXTENDED BONNET FOR LOW OR HIGH TEMPERATURE | OPTIONAL |
FULL OR REDUCED BORE | AS REQUESTED | LOCKING DEVICE | OPTIONAL |
FLANGED ENDS / WELDED ENDS / HUB ENDS | AS REQUESTED | LIFTING LUGS/VALVE SUPPORT | STANDARD |
TRANSITION PUPS FOR WELDED ENDS VALVES | OPTIONAL | MANUAL OR ACTUATED OPERATION | AS REQUESTED |
ANTISTATIC DEVICE | STANDARD | FIRESAFE DESIGN | STANDARD |
ANTI BLOWOUT STEM | STANDARD | IN-LINE MAINTENANCE | NO |
TRUNNION MOUNTED | STANDARD | ON-SITE MAINTENANCE | YES |