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: Cast Iron (optional feature); Stainless Steel (optional feature); Steel (optional feature)
  • Valve Type: Lift Check; Umbrella; Severe Service
  • Valve Size: 1.00 to 10.00
14"-36" Swing Type Lever And Spring Check Valves With FL. X FL. -- 8001 Series
from Mueller Company

bull; Meets or exceeds all applicable requirements of ANSI/AWWA C508 Standard. • Flanged end dimensions and drilling comply with ANSI B16.1, class 125. • Iron body, bronze mounted (IBBM). • Choice of gravity operated, lever and weight operated, or lever and spring operated valves. [See More]

  • Agency: AWWA; NSF; ANSI; ANSI/AWWA C508
  • Valve Size: 14.00 to 36.00
  • Material Of Construction: Cast Iron
  • Connection Description: BoltFlange
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: Stainless Steel
  • Valve Type: Double Check
  • Valve Size: 2.50 to 10.00
MasterSeries® Backflow Prevention Assemblies
from FEBCO

MasterSeries® backflow prevention assemblies aren't just Lead Free. We also redesigned the check and relief valves for superior performance. [See More]

  • Agency: NSF
  • Material Of Construction: Ductile Iron
  • Valve Type: Double Check (optional feature); Back Flow
  • Valve Size: 2.50 to 10.00
Automatic Control Valves -- C1000 - Hydraulic Check Valves
from Flomatic Corporation

Hydraulic control valves open and closes at controlled, adjustable speeds to provide for smooth operation and reduce pressure surges associated with conventional check valves. When the upstream (inlet) pressure is greater than the downstream (outlet) pressure, the hydraulic control valve moves to... [See More]

  • Agency: AWWA; NSF; ANSI
  • Media: Water; Cold Water  ; Potable Water; Wastewater; Sewer, Irrigation
  • Valve Size: 1.25 to 36.00
Bronze Check Valves

Bronze Check Valves for use in commercial and industrial applications. Typical services include; hot and cold water, HVAC, steam, compressed air, gas and other general utility services. 125 psi/8.6 bar saturated steam to 353 °F/178 °C, 200 psi/13.8 bar non-shock cold working pressure,... [See More]

  • Agency: MSS; NSF; MSS SP-80, MSS SP-139, NSF/ANSI 61 and NSF/ANSI 372
  • Material Of Construction: Brass / Bronze
  • Valve Type: BallDisk; Swing
  • Valve Size: 0.25 to 4.00
Control Valve
from Pentair Valves & Controls

Providing superior performance in abrasive environments, precise flow control and ease of maintenance, delivering operational reliability in the most challenging applications. Extended service life, delivered by a robust but simple rotating disc and bean design. Low life cycle costs resulting from... [See More]

  • Agency: API (optional feature); ASME (optional feature); AWWA (optional feature); DIN (optional feature); ISO (optional feature); MSS (optional feature); NSF (optional feature); ANSI (optional feature)
  • Connection Description: BoltFlange
  • Valve Size: 0.31 to 78.74
  • Media Temperature: -4 to 1150
35 Series High Performance Thermal Plastic Valves
from Sea Tech, Inc.

35 Series products are manufactured in polysulfone and certified to NSF-61, NSF-14, CSA B137.5, ASTM F877, IGC 188-04c and recognized by the Uniform Plumbing Code. [See More]

  • Agency: NSF
  • Valve Size: 0.25 to 1.00
  • Material Of Construction: Polysulfone
  • Connection Description: Threaded (optional feature); Union (optional feature); Tube Fitting (optional feature)
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: Brass / Bronze
  • Valve Type: Foot Valve; Poppet
  • Valve Size: 0.75
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 90º within, PTFE... [See More]

  • Agency: NSF
  • Material Of Construction: PVDF
  • Valve Type: BallDisk
  • Valve Size: 4.00