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KOS forged steel valves contains Gate, Globe & Check valves designed fully comply with API 602 / BS 5352. KOS offer standard bolted bonnet joint with optional welded bonnet. KOS can also offer forged steel gate, globe valve with bellow seal.
Design Standard:
Basic Design: API 602, BS 5352
Face to Face (End to End): ASME B16.10
End Connection: ASME B16.5, ASME B16.25, ASME B1.20.1
Test & Inspection: API 598
Products Range:
Type:             Gate, Globe, Check
Size:              1/2"~ 2"
Rating :            ANSI 800lb, 900lb, 1500lb
Body Materials:    A105, F11, F22, F5, F316, F91
End connection:  NPT, SW, R F, RTJ
Design Feature:
Solid wedge (gate)
Bolted or welded bonnet
Full port or reduce port
Optional bellow seal (gate, globe)
Plug disc with optional needle disc (globe)
Lift check with optional swing check (check)

General Industry
Steam line
Geothermal plant