Check Valve

Valvesonly is a reputed Check Valve Manufacturer in USA. A check valve, also known as a non-return valve or one-way valve, is a mechanical device designed to allow fluid or gas to flow in one direction only. Its primary purpose is to prevent backflow or reverse flow, ensuring that the fluid or gas can move in the desired direction while preventing it from flowing back in the opposite direction. Check valves are commonly used in various industries, including water supply systems, plumbing, oil and gas, chemical processing, and many others.

Check valves come in various designs, but they generally share a few common features. The basic components of a check valve include a body, a movable mechanism (disc, ball, or swing check), and a seat. The body is typically made of metal, plastic, or other materials suitable for the specific application. The moving mechanism is a crucial part that allows flow in one direction while blocking reverse flow. The operation of a check valve is relatively simple and relies on the principle of fluid dynamics. The valve allows flow in the direction of lower pressure and prevents flow in the opposite direction.

Types:

  • Piston Check Valve
  • Swing Check Valve
  • Non Slam Swing Check Valve
  • Pressure Seal Check Valve
  • Tilting Disc Check Valve
  • Single Plate Check Valve
  • Dual Plate Check Valve
  • Ball Check Valve
  • Lift Check Valve
  • Foot Check Valve

Advantages:

  • The primary function of check valves is to prevent the reverse flow of fluids or gases. This is important in systems where backflow could cause damage, contamination, or operational issues
  • They typically have a simple design with fewer moving parts compared to other types of valves. This simplicity makes them easy to install and maintain, reducing the need for frequent inspection and repairs
  • These valves respond quickly to changes in flow direction and pressure. This fast response time ensures prompt sealing and prevents backflow, enhancing the overall efficiency and safety of the system
  • They are versatile and can be used in a wide range of applications and industries, including water supply systems, plumbing, oil and gas, chemical processing, and more
  • Check valves are generally cost-effective
  • They prevent contamination
  • They have various design options
  • These valves are known for their reliability and durability

Industries:

  • Water and Wastewater Treatment
  • Oil and Gas
  • Chemical Processing
  • Power Generation
  • Petrochemical
  • Marine
  • Aerospace
  • Pulp and Paper
  • Mining
  • Automotive
  • Process Manufacturing

Description:

  • Body Material- Cast Iron and Cast Steel (LF2, A216, WCB, WCC, LCB, LCC, WC6, WC9), Ductile Iron, Stainless Steel [SS316, SS304, SS316L, SS904L, CF8, CF8M, F304, F316, F31L, F91), Duplex and Super duplex steel [F51, F53, F55] Forged Steel A105, A105N, F11, F22, F304, F316, F91] Alloy20, Hastelloy, ALBR.
  • Size- ½” – 80”
  • Class-150 – 2500; PN10 – PN-450
  • Ends-threaded, socket weld, butt weld, flanged, lug, wafer

 

Showing all 9 results

  • Sale!
    $831.50

    Dual Plate Lug Check Valve

    Dual Plate Lug Check Valve Body Material: Cast Iron, Ductile Iron, Cast Steel, Stainless Steel, Aluminium Bronze Disc: Ductile Iron, Stainless Steel, Aluminium Bronze Spring: Stainless Steel Stem: Stainless Steel Seat: EPDM, NBR, VITON, CF8, CF8M Nominal Diameter: DN50 to DN900 Nominal Pressure: Class 150 to Class 2500 Face to Face Dimension: API 594, ASME […]

  • Sale!
    $12.21

    Dual Plate Wafer Check Valve

    Dual Plate Wafer Check Valve Body Material: Cast Iron, Ductile Iron, Cast Steel, Stainless Steel, Aluminium Bronze Disc: Ductile Iron, Stainless Steel, Aluminium Bronze Spring: Stainless Steel Stem: Stainless Steel Seat: EPDM, NBR, VITON, CF8, CF8M Nominal Diameter: DN50 to DN900 Nominal Pressure: Class 150 to Class 2500 Face to Face Dimension: API 594, ASME […]

  • Sale!
    $20.36

    Forged Steel Swing Check Valve

    Forged Steel Swing Check Valve 1. Body Material: A105, F22, F304L, F316L 2. Disc: A105, F22, F304L, F316L 3. Stem: F6, F304, F304L, F316L 4. Bonnet: A105, F22, F304L, F316L 5. Gland Flange: A105, F22, F304L, F316L 6. Stem Nut: A276 410 7. Handwheel: A197 End Connections: Buttweld, Socketweld, Flanged Nominal Diameter: DN15 to DN50 […]

  • Sale!
    $128.00

    Lift Check Valve

    Lift Check Valve Body: WCB, LCB, WC1, WC6, WC9, C5, CF8, CF8M, CF3, CF3M Bonnet: A105,F11,F22,F5,F9 F304, F316, F321, F304L, F316L Disc: F6a, F304L, F316L, F11, F22, F6a, F316 Seat Ring: F6a, F304L, F316L, F11, F22, F6a, F316 Gasket: SS316+Graphite Ring: A105, F6a Nominal Diameter: DN15 to DN300 Nominal Pressure: Class150 to Class900, PN16 to […]

  • Sale!
    $232.00

    Non Slam Swing Check Valve

    Non Slam Swing Check Valve Body: Cast Iron, Ductile Iron Disc: Ductile iron, Aluminium Bronze, Stainless Steel Spring: Stainless Steel Shaft: Stainless Steel Seat Ring: EPDM, NBR Nominal Diameter: DN40 to DN600 Nominal pressure: Class150 to Class2500 Design and Manufacture: API6D Face to Face Dimension: ASME B16.10 Flanged End Dimension: ANSI B16.5, ANSI B16.47 Buttweld […]

  • Pressure Seal Swing Check Valve

    Pressure Seal Swing Check Valve Body: WCB, WC1, WC6, WC9 Disc: WCB, WC1, WC6, WC9 Hinge: WCB, WC1, WC6, WC9 Seat: A105, F22 Gasket: SS316+Graphite Bonnet: A105, F22 Washer: F316 Sealing Ring: Mild Stainless Steel Nominal Diameter: DN65 to DN350 Nominal Pressure: Class1500 to Class2500 Design and Manufacture Standard: API6D, ASME B16.34 Face to Face […]

  • Sale!
    $83.20

    Single Plate Check Valve

    Single Plate Check Valve Body Material: Cast Iron, Ductile Iron, Cast Steel, Stainless Steel, Aluminium Bronze Disc: Ductile Iron, Stainless Steel, Aluminium Bronze Spring: Stainless Steel Stem: Stainless Steel Seat: EPDM, NBR, VITON, CF8, CF8M Nominal Diameter: DN50 to DN900 Nominal Pressure: Class 150 to Class 2500 Face to Face Dimension: API 594, ASME B16.10 […]

  • Sale!
    $15.00

    Swing Check Valve

    Swing Check Valve Body: Cast Iron, Cast Steel, Ductile Iron, SS304, SS316, SS316L, F316L, CF3M Bonnet: Cast Iron, Cast Steel, Ductile Iron, SS304, SS316, SS316L, F316L, CF3M Disc: WCB, CF8, LCC, C5 Seat: A105, F304, LF3, F5a Disc Washer: Carbon Steel, SS316 Bolt Washer: Carbon Steel, SS316 Gasket: Graphite+Stainless Steel Disc Pin: SS304 Eyebolt: Carbon […]

  • Tilting Disc Check Valve

    Tilting Disc Check Valve Body: Ductile Iron, Cast Iron Disc: Ductile Iron, Cast Iron Shaft: SS420, SS431 Body Seat: SS304 Disc Seal Ring: EPDM, NBR Retainer Ring: Carbon Steel+ss304 Shaft Bearing: SS304 O Ring: EPDM Pin: SS420 End Cover: Carbon Steel+Epoxy Nominal Diameter: DN250 to DN1400 Nominal Pressure: PN1.0 to PN2.5 Design and Manufacture Standard: […]