Twin Door Check Valves

Designed to comply with API **4
Adopting dual plate design for efficient sealing
Valve inspection and testing comply with API **8
Available in series F*6 and series F**5 Series F*6
Compatible with DIN, BS flanges
 Face to face according to ISO ***2 basic series *6 (wafer long) F**5 check valve compatible with ANSI **5/**0 flanges
 Available in size 2 to *4 inches
Available in wafer type body

Materials list: Body materials: cast iron, ductile iron
Disc: ductile iron (with nickel plating or nylon coated), SS **4, **4L, **6, **6L, aluminum-bronze
Seat: NBR, EPDM, neoprene, PTFE, Viton
Shaft: SS**4, SS**6, SS**0
Spring: SS**4, SS**6, SS**0
Seal washer: NBR, EPDM, neoprene, Viton