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Cast Steel Bellow-seal Gate, Globe Valves
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> Cast Steel Gate, Globe & Check Valves > Cast Steel Bellow-seal Gate, Globe Valves |
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Design : API 600 OS&Y
BB RF |
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Body Material : WCB |
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Class : 150 ~ 1500 |
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Size : 2Ħħ ~ 24Ħħ |
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Bellows inspection : to MSS-SP-117 |
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Bellows material : 321 SS,
Inconel 625, Hastelloy, Monel |
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| Bellow sealed valves are designed to eliminate valve leakage creating hermetic sealing and manufactured with hydro-formed multi-fly bellows, welded to the stem and bonnet. Conventional gland packing is replaced by a bellow cartridge ensuring emission free use.
Wall Thickness and General Designs are API 602 for forged gate valves/ ASME B 16.34/BS 5352 for forged globe valves/ API600 for cast valves.
Various test has performed under the max pressure condition. Stem backseat and stem packing ensure the perfect sealing when a bellows is damaged. And Satellite 6 faced both seat and wedge/disc to prevent seizing and galling
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