10 BEST CHECK VALVES for sale in 2022 – compare between the best check valves on sale.

Rank Product Rating
1
BornFeel Plastic One Way Non-Return Check Valves 16pcs Aquarium Air Pump Accessories for Fish Tank Air Line Tube Tubing Hose Pipe Fitting Clear
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221 Reviews
Product Highlights
  • Non Return Check Valves, 16pcs, enough for daily use and replacement.
  • Air Hole Diameter: 5mm/ 0.19inch, overall size: 5 x 1.5cm/ 1.9 x 0.6inch(LxD). Proper size for universal air pump, fish tank, aquarium, fishing tackle shop, etc.
  • Small and compact, which protect air pump by preventing aquarium water from back siphoning during a power outage.
  • Made of high quality Plastic material, not easy to aging, sturdy and durable.

$7.49
2
Pawfly 10 PCS Aquarium Air Pump Check Valves Red Clear Plastic One Way Non-Return Check Valve for Fish Tank
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81 Reviews
Product Highlights
  • Please DO NOT use them with CO2 system. The one way check valves are for common aquarium air pumps.
  • Protect you air pump by preventing aquarium water from back siphoning during a power outage.
  • Made of durable clear plastic. Net weight: 4g
  • Air Hole Diameter: 4mm/ 0.15"; Overall Size: 5.3 x 1.5cm/ 2.1" x 0.58"(L*Max.D)

$6.49
3
Raybend,'Silent' Sump Pump Check Valve, 1-1/2'
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Product Highlights
  • Sump Pump Silent Clear Check Valve MODEL RFF15NC
  • Clear valve body so that water movement is visible
  • The unique spring loaded flapper eliminates the nuisance water hammer noise of standard check valves
  • 100% Stainless steel clamps included-fits 1-1/2" pipe

$21.99
4
Duda Energy VCV-WOG1000-F100 Vertical Check Valve, 304 Stainless Steel, 1' NPT Spring Loaded in-line Low Cracking Pressure, 1'
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Product Highlights
  • D: 1'', L: 2.9'' - See Drawing for Dimension References
  • Fluid Temp Range: -20°F to 302°F, Use for water, oil, air, gas, Light Acids/Alkali
  • Stainless Steel Spring-Loaded, Low Cracking Pressure (~5 Psi)
  • Serviceable Valve - Can be taken apart via threads, Female NPT Ports

$19.76
5
4 Packs Check Valve, 1/4 Inch 6mm PVDF Wear-Resistant One-Way Check Valve for Fuel Gas Liquid Air
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Product Highlights
  • Function: the check valves are applicable for fluid systems to prevent countercurrent liquids, or for pneumatic systems to prevent reverse flow of compressed air
  • Material and size: the one way check valves are made of PVDF, sturdy, wear-resistant and durable for long-term use; Each check valve measures 6.3 mm/ 1/4 inches, the total length is 38 mm/ 1.50 inches
  • Features: the pipe port of the check valve is designed with a pagoda-shaped card slot, non-slip and non-toxic, with good airtightness and good adsorption performance
  • Easy to install: the non-return check valve is easy to install, convenient for you to unscrew and replace

$10.99
6
American Valve G31SL 1 1/4' Lead Free Check Valve, 1-1/4 Inch
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Product Highlights
  • Complies with lead-free Plumbing laws
  • May be used vertically or horizontally
  • 200 WOG (water, Oil, gas)
  • Minimum opening pressure 1/2 psi

$26.29 $24.99
7
Zoeller 30-0041 50 psi PVC 2-Port Check Valve, 1-1/2'
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Product Highlights

$26.50
8
Check Valve, PVDF Wear-Resistant One-Way Check Valve for Fuel Gas Liquid Air, 1/4 Inch 6 mm (2)
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Product Highlights
  • Effective performance: our check valves can effectively prevent countercurrent liquids for fluid system or backward flow of compressed air for pneumatic system
  • Durable material: made of quality PVDF material which is stable and durable to use, has nice wear-resistant feature, not easy to rust or break, can support for long time using
  • Size information: our check valve measures approx. 6.3 mm/ 1/4 inch in diameter and 38 mm/ 1.5 inches in full length, please make sure the size is suitable for your needs before purchasing
  • Considerate design: our pipe port of the check valve is designed with a pagoda-shaped card slot, non-slip and non-toxic to use, contains good airtightness and adsorption function, convenient to install and operate

$8.99 $7.99
9
Control Devices P2525-1WA Brass Ball Check Valve, 1/4' NPT Female x NPT Male
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Product Highlights
  • Can be used as a tank check valve for small compressors or as a component in pneumatic circuits
  • Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability
  • Fluorocarbon O-rings for higher temperature and chemical resistance
  • Female and male NPT threads for connecting pipes with different ends

$6.55
10
Superior Pump 99555 Universal Check Valve, Plastic, Fits all 1-1/4-Inch or 1-1/2-Inch MIP or FIP
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Product Highlights
  • Will fit any 1-1/4-inch or 1-1/2-inch NPT male or female thread
  • Made from durable ABS plastic
  • High quality Nitril-Bruna N seal
  • Universal design works with multiple applications

$6.60

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Categories: Automotive

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