Top 6 Best Air Check Valve

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. Maximum pressure rating of 250 psi and maximum working temperature of 250 degrees Fahrenheit.

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. Maximum pressure rating of 250 psi and maximum working temperature of 250 degrees Fahrenheit.

For Oxygen Pumps Only Great 1-way check valve for most common aquarium air pumps. NOT suitable for CO2 or other high-pressure systems to avoid crack and leak.. Small Light Size 2.1 L x 0.55 W Diameter of air holes 0.12 Weight 0.1 oz. Standard ID airline tubing 316. Add little weight to your hose for smooth airflow.. Ideal Pump Protectors Prevent backflow of water through the tubing during a power outage or pump pause. Essential accessories for basic aeration setup in your fish tanks.. Sturdy Quiet Made of reliable plastic which can be tightly connected to the hose without air leak. Durable to endure long-time use without making noise.. Easy Maintenance Clean the valve regularly. Please poke it with a slim stick from the inlet side to push it open when it gets clogged inside and restricts air flow..

Specially designed non-return valves will protect your air pump by preventing aquarium water from back siphoning during a power outage. They are made of plastic material for long time use. Place these air pump check valves in your airline tubing between your air pump and aquarium water to prevent water returning down the air line. Fits standard aquarium airline tubing with inner diameter about 4mm. Dimension 0.5D x 2.1L Includes 10pcs check valves.

Nickel plated Brass Fitting. 38 inch Female NPT to 38 Male NPT check valve.. Airflow flows from Female to Male port. Cracking Pressure 6 PSI. Maximum Operating Pressure 250 PSI. To be used with atmospheric air only, not recommended for any type of liquid or other gases. Use thread sealant for proper installation. Teflon tape is not recommended.. Properly sealed, recommended torque is 12 to 15 ft. lbs.. NPT fittings are tapered and should not be overtightened..

SizeOne Way Air Check Valve G 14 Female Threaded Full Port Check Valve.. MaterialMade of high quality copper, corrosion resistance, high temperature ductility and low magnetic permeability. It's high strength, resistant to high temperatures, very durable. Pressure Resistance 0-150PSI. Operating Temperature Range 0-60C.. UsageThis air check valve is used to prevent the backflow of fluids. May be used vertically or horizontally. This valve can make the medium air, water, oil flow in one direction. Fluid enters from one port, flows out from the other port, and closes when the flow reverses, preventing fluid from flowing back.. Excellent ThreadsAccuracy G14 female thread, easy to connect without slipping. This is hex female thread air check valve which is easy to install and remove. Good Airtightness, Not Easy to Rust.. NoteWhen purchasing and installing, pay attention to the flow of medium. If the installation is reversed, medium will not come out..

Made of PVDF material, safe and non-toxic, can be used for a long time.. This check valve effectively prevents flow back of liquid or gas in the line.. Suitable for water, petrol, oil, and other fluids.. This check valve is simple in design and compact in size for easy installation, making maintenance easier and more efficient..

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. Package contents 20 pieces air pump check valves, sufficient for daily using and replacement Color black.

G 14 Female Full Ports One Way Air Check Valve.. Nickel-plated brass for durability. The brass valve core is wear-resistant, pressure-resistant and corrosion-resistant and has stable performance.. When installed and used, the tail of the arrow is connected to the gas input source, and the head of the arrow is connected to the output end.. This product is used in a gas medium, which can effectively prevent the gas backflow in the working pipeline caused by the reduction of the gas source, and avoid the reduction of the air pressure which will affect the normal operation of the instrument. Can be used in air pumps and air compressors.. Package Contents 2Pcs x Air Check Valve..

Fit for 316 Air Tubing,air pump, fish tank, aquarium.. Small and compact, which protect you air pump by preventing aquarium water from back siphoning during a power outage.. Pack of 12 non return check valve. Made of quality plastic, durable and sturdy, not easy to break, ensure long time of usage. Air hole Diameter 316 inch, fit for standard 316 inch airline tubing..