API 594 Lugged Wafer Check Valve

API 594 Lugged Wafer Check Valve

Product Range

Sizes: NPS 1/2 to NPS 24 (DN15 to DN600)
Pressure Range: Class 800, Class 150 to Class 2500
End connection: Lugged, Wafer Lugged

Lugged Wafer Check Valve-Specifications

Design Standard: API 594 , API 6D

Face to face standard: ANSI,API 594 ,API 6D ,ANSI B 16.10

End Connection: Wafer, Lug, Solid Lug, double Flanged

Size Range: 2’’~48’’(DN50~DN1200)

Pressure Rating of Valve:150LB 300LB 600LB 900LB

Body & Disc Material:ASTM A 126 GR. B (Cast Iron) , Ductile Iron ,ASTM A 216 GR. WCB (Cast Carbon Steel),ASTM A 351 GR. CF8/CF8M (SS304/SS 316), ASTM A351 GR. CF3/CF3M (SS304L /SS 316L) ASTM A 351 GR. CN7M, ASTM A351 Gr. CF8C, ASTM A351 Gr. CD4Mcu /ASTM A351 Gr. CK3MCuN, ASTM A352 Gr. LCA/LCB /LCC, ASTMA217 Gr. WC1/ WC6/ WC9/C5/C12 ,ASTM A494 Gr. CW6MC/CW2M /CY40 /CU5MCuC

NACE MR0175 / NACE MR0175

Design Features

Lugged Wafer Check Valve is economical on installation and maintenance because installation is required less and light weight.

Lugged Wafer Check Valve is possible to prevent water hammering due to closing valve disk by operating the spring in valve before back flow. Also Due-Check valve prevents large piping the for big gap water levels.

It’s possible to reduce maintenance fee due to longer durability than existing check valve, easy maintenance.

Lugged Wafer Check Valve with retainerless are available in four basic types: Wafer, Lug, Solid Lug, Flanged end.

Retainerless duo check Valves do not have any leakage problem on Body. Wafer type design fastens valve by bolt and flanges.

Retainerless duo check Valves are clamped between mating flanges which are connected by bolt and nuts.

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