1 piece bolted bonnet design, two segmented gates, floating seats and rising stem.
Double expanding gate valves allow a higher bi-directional mechanical seal.
In both open and closed positions, the expansion of the gate creates a tight seal against the upstream and downstream seats.
They are manufactured in a wide range of sizes and pressure classes typically from forgings.
| Model: | SWB |
| Size: | 2” to 24”, 1 13/16” to 11” |
| Pressure Classes: | ASME 150# to 1500# API 6A 2000 to 15000 |
| Temperature Range: | -29°C to 120°C |
| Face to Face/ End to End: | API 6D/ API 6A/ Perar standard |
| Features | Features | ||
|---|---|---|---|
| Soft Seating | Standard | Extended Bonnet | On Request |
| Metal Seating | On Request | Welded Pups | On Request |
| Double Piston Effect Seats (DPE x DPE) | Standard | Sealing Areas/ Wetted Areas Overlay | On Request |
| Vent & Drain ports | Standard | Conformity to NACE MR0175, NACE MR-0103 | On Request |
| Emergency sealant injection | Standard | Conformity to PED 2014/68/UE, ATEX 2014/34/EU | On Request |
| Manual operated or Actuator Operated (ISO 5210) | Standard | Other Features | On Request |
| Stem Extension | On Request |
| BODY, BONNET |
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| SEALS |
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| TRIM (EXPANDING GATE, SEATS, WEDGE, STEM) |
|
| SEAT INSERT |
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| BOLTING |
|
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