Single Disc Wafer Check Valve
Single disc check valves are automatic valves that open with forward flow and close against reverse flow. The main function of a check valve is to protect mechanical equipment in a piping system by preventing fluid reversal.
Single disc check valve can be divided into the short type and long type.
Single Disc Wafer Check Valve-Features
1.Light weight, versatile design—80% to 90% less than conventional 2.Full-body swing check valves
3.Single Disc opening
4.Single integrated arm/disc assembly
5.Spring-loaded disc calculated to increase the responsiveness of the disc
Integrated body seat
6.Soft seated valves come in two variants O ring seated and PTFE / RPTFE seated
Single Disc Wafer Check Valve-Standard and Specifications
Design standard: API 594 and API 6D (as applicable)
Face to face standard: API 6D, ANSI B16.10
End connection: Wafer type, Sandwich pattern, flangeless, mount between two flanges ASME B16.1, B16.5, B16.34, B16.42, B16.47 and B31.1
Inspection and testing standard: API 598
Pressure rating: ASME 16.34
Manufacturing size range: 2 Inch - 48 Inch
Pressure range: Class 150 - 1500 LB
(Standard for the resilient seated, metal seated when required)
Body & Disc Material: ASTM A126 GR. B (Cast Iron), Ductile Iron, ASTM A216 GR. WCB (Cast Carbon Steel), ASTM A351 GR. CF8/CF8M (SS 304/SS 316), ASTM A351 GR. CF3/CF3M (SS 304L/SS 316L), ASTM A351 GR. CN7M, ASTM A351 Gr. CF8C, ASTM A351 Gr. CD4Mcu/ASTM A351 Gr. CK3MCuN, ASTM A352 Gr. LCA/LCB/LCC, ASTM A217 Gr. WC1/WC6/WC9/C5/C12, ASTM A494 Gr. CW6MC/CW2M /CY40 /CU5MCuC
NACE MR0175/NACE MR
