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Top entry & Side entry Ball Valve
API 6D Reduced Bore Top Entry Ball Valve
API 6D Reduced Bore Top Entry Ball Valve
The SV API 6D top entry ball
valve is designed as an
integral valve body. The ball is assembled inside the body from the top entry.
The ball is positioned by an integrated high strength ball rod which fixed by
an integrated pivot. The retractable valve seat of the SV top entry ball valve makes the valve stem, valve stem seal
rings, metal valve seats and pre-loaded springs can be replaced online without
dismantled from pipeline.
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- The Ball of the SV top entry ball valve is assembled from top entry;
- The SV high pressure top entry ball valve adopts one piece integral body to ensure enough strength and rigidity;
- Maintenance online without removing valves from pipelines;
- Full bore, reduced bore and three way structure;
- Trunnion mounted ball or floating ball structure;
- Body and stem are designed to be double sealing and secondary seal is fire safe;
- Cavity pressure self relief when spring loaded single piston effect seat structure;
- Bidirectional sealing when double piston effect seat structure;
- Emergency sealant injection valve as subsidiary sealing device;
- Double block and bleed structure to discharge through bleeding device;
- Fire safe, anti-static and anti-blowout stem design;
- Widely used in long distance oil & gas pipelines.
Product range:
- Size: 1/2''～40''
- Pressure
rating: Class 150～2500
- End connection:
RF, RTJ, BW
- Body
materials: Cast steel WCB, WCC, WC6, WC9, C12A, LCB, LCC, CF8,
CF8M, CF8C and CN7M etc.; Forged steel A105, LF2, F304, F316, F304L,
F316L, F51, F53 and F55 etc.
- Seat
materials: PTFE, RPTFE, NYLON, DEVLON, PEEK, PPL, FKM or metal
to metal seal etc.
- Operation: Bare
stem, Wrench, gear, electric, pneumatic, electro-hydraulic, gas over oil
actuator
Technical
standards:
- Design: API 6D
- Face to Face:
API 6D
- BW ends: ASME
B16.25, ASME B31.8
- Flanged ends:
ASME B16.5, ASME B16.47
- Wall thickness:
ASME B16.34
- Fireproof test:
API 607, API 6FA
- Test and
inspection: API 598, API 6D
- Pressure and
temperature rating: ASME B16.34
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