NSF Check Valves Datasheets

DFT® WLC® Wafer Check Valves
from DFT Inc.

The DFT ® Model WLC Wafer style Silent Check Valve is a lightweight, spring-assisted, in-line check valve that provides reliable, low maintenance service for a wide range of fluids and pressure/temperature combinations. The joint between the seat ring and body is sealed by the flange gasket upon... [See More]

  • Agency: API; AWWA; MSS; NSF; ANSI; ANSI Class 150 To 2500, 125 & 250
  • Material Of Construction: CastIron (optional feature); StainlessSteel (optional feature); Steel (optional feature)
  • Valve Type: Lift Check; Umbrella; SevereService
  • Valve Size: 1.00 to 10.00
Duo-Block PVDF Valve with Threaded Ends -- 17276
from U.S. Plastic Corporation

Ball valves perform a quarter turn on/off or modulating function. A flow-controlling ball located within the body of the valve contains a hole through its center along one axis, which connects the inlet and outlet ports of the body. The ball itself is held in place by, and rotates 90ยบ within, PTFE... [See More]

  • Agency: NSF
  • Material Of Construction: PVDF
  • Valve Type: BallDisk
  • Valve Size: 4.00
Double Check Valve Assembly, Stainless Steel -- 757, 757N
from Watts

Series 757, 757N Double Check Valve Assemblies prevent the backflow of pollutants that are objectionable but not toxic, from entering into the potable water supply. Its compact housing consists of two independently operating tri-link check valves, two shutoff valves, and four test cocks. It features... [See More]

  • Agency: ISO; NSF; CSA, ASSE, UL, FM, NSF
  • Material Of Construction: StainlessSteel
  • Valve Type: DoubleCheck
  • Valve Size: 2.50 to 10.00
LarFlex Rubber Check Valve -- Type 71 Series
from Flowrox Inc.

LarFlex elastomeric check valves can be used on all equipment as called out by engineers, in drawings, or contractor's requirements. Standard materials of construction are NSF61 Nitrile, Chlorobutyl, EPDM, Nitrile, hypalon or Neoprene and approved by the vendor. [See More]

  • Agency: DIN; NSF; ANSI
  • Material Of Construction: Rubber
  • Valve Type: Duckbill
  • Valve Size: 1.00 to 96.00
PVC and CPVC Ball Check Valves

The Right Ball Valve for the Job. A wide selection of NIBCO ball valves are available in bronze, brass, lead-free, carbon steel or stainless steel materials. Select the right ball valve in one-piece, two-piece, three-piece, full port, or conventional port. A range of trim material is available. The... [See More]

  • Agency: NSF
  • Material Of Construction: PVC
  • Valve Type: BallDisk
  • Valve Size: 1.25
No. F200: Lead-Free Series -- F200-075
from Strataflo Products, Inc.

Our No.F200 valves feature lead free NSF-certified material, containing ≤ 0.25% lead by weighted average. The lead-free series is compliant with California AB1953 and Vermont Act 193. They are manufactured. from a one-piece cast brass body. The unique strainer consists of a helically wound... [See More]

  • Agency: NSF; NSF Certified
  • Material Of Construction: BrassBronze
  • Valve Type: Foot Valve; Poppet
  • Valve Size: 0.75