10 BEST AIR CHECK VALVES for sale in 2022 – compare between the best air 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
Leinuosen 20 Pack Aquarium Air Pump Check Valves Plastic One Way Non-Return Check Valve Air Pump Accessories for Fish Tank, Black
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32 Reviews
Product Highlights
  • Application: the check valve can be applied for common aquarium air pumps, protect you air pump by preventing aquarium water from back siphoning during a power outage
  • Quality: made of quality plastic, durable and sturdy, not easy to break, ensure long time of usage
  • Practical design: the valves are detachable, you can unscrew to open it so as to clean and repair them easily
  • Measurement: the air hole diameter is 4 mm/ 0.16 inch, the overall length is approx. 4.2 cm/ 1.7 inches, proper size for most fish tank

$9.99
3
Pawfly 6 PCS Aquarium Air Pump Check Valves Red Clear Plastic One Way Non-Return Check Valve for Fish Tank
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185 Reviews
Product Highlights
  • The check valves are for common aquarium air pumps. Please DO NOT use them with CO2 system. Great one way check valve for aquarium and fish tank.
  • Protect you air pump by preventing aquarium water from back siphoning during a power outage.
  • Made of durable clear plastic. Net weight: 0.14 oz / 4 g. Please use a paperclip to poke it from Input side to Output side when the outlet inside gets stuck.
  • Air Hole Diameter: 0.15" / 4mm; Overall Size: 2.1" x 0.58" / 5.3 x 1.5 cm (L*Max.D)

$5.42
4
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
5
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
6
Pawfly 6 PCS Aquarium Check Valves One Way Non-Return Air Pump Accessories for Fish Tank Black
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5 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.
  • Detachable design makes it easier for you to clean and repair. Unscrew to open it.
  • Air Hole Diameter: 4mm/ 0.16", Overall Size: 4.3 x 1.5cm/ 1.7" x 0.6"(L* D), Net weight: 4g.

$5.87
7
Viair 92831 1/4' NPT Nickel Plated Check Valve
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Product Highlights
  • Use thread sealant for proper installation.
  • For use with all systems requiring a check of air flow or to replace a check valve.
  • Recommended torque for 1/8" is 10~11 ft.lbs.
  • Check valves keep high pressure from causing high amperage restarts

$16.44
8
Dorman 911-622 Secondary Air Injection Check Valve for Select Toyota Models
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21 Reviews
Product Highlights
  • A necessary replacement item for passing inspection in certain states
  • Direct replacement for a proper fit every time
  • Durable metal construction helps to withstand extreme temperatures
  • Quality-tested to ensure trouble-free installation and durability

$215.99 $186.33
9
Hromee Air Compressor Replacement Components Brass 1/2 Inch MNPT Compressor in Tank Check Valve Kit with Three Different Unloader Tube Fittings 20 SCFM 4 Pieces
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Product Highlights
  • FUNCTION - The Hromee check valve kit is used to prevent backflow in a piping system is known as a check valve. The pressure of the fluid passing through a pipeline opens the valve, while any reversal of flow will close the valve. It allows full unobstructed flow and automatically shuts as pressure decreases.
  • TWO FITTINGS - The valves check valves are all brass and It comes with 2 different unloader fittings, barbed and push to fit for the 1/4” nylon unloader tubing.
  • CONSTRUCTION - One piece brass body stainless steel springs glass filled fluoropolymer poppets for positive sealing and long term reliability. It can be disassembled for cleaning and repairing. Maximum pressure of 450 PSI and air flow of 20 SCFM.
  • CONNECTION SIZE - 1/2" MNPT tank check valves are used to keep air volume and pressure from escaping back into compressor heads while not operating. The 1/8" FNPT side port is designed for pressure switch application.

$14.88
10
Air Injection Check Valve For Olds Chevy Chevrolet Trailblazer GMC Envoy Replaces OE# 12575655
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Product Highlights
  • Direct replacement for a proper fit every time
  • Durable metal construction helps to withstand extreme temperatures of the exhaust manifold and function properly every time.
  • Easy Plug and Play Design
  • The A.I.R. Check Valve is an emission control device that allows air into the exhaust system to help burn pollutants before they reach the atmosphere

$68.99

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