Guocheng Valve Group Co., LTD. is one of the leading China Cast Steel Check Valve manufacturers, welcome to wholesale cheap Cast Steel Check Valve from our factory.
API 6D/ BS 1868 SWING CHECK VALVE DESCRIPTION
The valve is opened or closed by the valve disc to rotate around the spindle outside the valve seat; and it is an automatic valve when it is automatically opened or closed by the force generated by the medium flowing within the pipeline. Its major function is to prevent the backflow of the medium in the pipeline, reverse rotation of the pump and its driving motor, and discharge of the medium in the container.
Full open according to API 6D requirements is available.
DESIGNOVÉ VLASTNOSTI
Design standard as per: API 6D/ BS1868
Kompaktní a rozumná struktura produktu, spolehlivá těsnost a dobrý výkon;
Hladký průchod tekutiny a malý odpor tekutiny;
Otočný disk.
Lze navrhnout s tlumicím válcem.
Rychlé uzavření a pružné pohyby ventilového disku.
Malý uzavírací náraz, vodní ráz pravděpodobně nevznikne.
Hladký průchod tekutiny a malý odpor tekutiny.
VÝBĚR MATERIÁLU
– CS (ASTM A216 WCB, WCC, WC6, WC9), LTCS (ASTM A352 LCB, LCC, LC1, LC2, LC3)
– Austenitická SS304 (ASTM A351 CF8), SS316 (ASTM A351 CF8M), SS304L (ASTM A351 CF3), SS316L (ASTM A351 CF3M)
– Duplexní nerezová ocel (ASTM A8904A, 5A, 6A)
– Slitina 625 (UNS N06625)
– Slitina 825 (UNS N08825)
– Speciální slitina (CW6MC)

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