13 best air valves
Air valves are essential components in various industries and applications related to hydraulics, pneumatics, plumbing, and industrial processes. They are a type of valve designed to control the flow of air or other gases in a system. These valves are commonly used to regulate the flow, pressure, and direction of air within pneumatic systems. Below are some key aspects of air valves:
Types of Air Valves:
Solenoid Valves: Solenoid valves are a common type of air valve that uses an electromagnetic coil to control the flow of air. When an electrical current is applied to the coil, it creates a magnetic field that opens or closes the valve, allowing or blocking the flow of air.
Diaphragm Valves: Diaphragm valves use a flexible diaphragm to regulate the flow of air. When the diaphragm is lifted or lowered, it opens or closes the valve.
Poppet Valves: Poppet valves have a sealing element, called a poppet, which moves to regulate the flow of air. They are commonly used in small pneumatic systems.
Butterfly Valves: Butterfly valves consist of a circular disc that rotates to control the airflow.They are often used in larger air handling systems.
Applications:
- Air valves are used in a wide range of applications, including controlling the flow of air in HVAC systems, industrial machinery, pneumatic tools, and automotive systems.
Functionality:
- Air valves control the direction and rate of airflow. They can be normally open or normally closed, and they can be used to allow, block, or divert air depending on the system's requirements.
Materials and Construction:
- Air valves are constructed from various materials, including metals such as brass, stainless steel, and aluminum, as well as plastic materials. The choice of material depends on the type of gas or air being controlled and the environmental conditions.
Actuation Methods:
- In addition to solenoids, air valves can be actuated using manual levers, pneumatic actuators, and electric motors, depending on the specific application.
Maintenance:
- Regular maintenance is crucial to ensure the proper functioning of air valves. This may include cleaning, lubricating, and replacing parts as needed to prevent leakage and ensure efficient operation.
Safety Considerations:
- Proper installation and maintenance of air valves are essential to prevent accidents and ensure the safety of personnel and equipment. In industrial settings, incorrect valve operation can lead to serious consequences.
Air valves play a critical role in various industries, ensuring the controlled and efficient movement of air and gases in pneumatic systems. These valves are designed to meet specific application requirements and are available in a wide range of sizes and configurations to accommodate different needs.
Below you can find our editor's choice of the best air valves on the market- Max working pressure of 200PSI.
- For use with air compressor tanks to fill vessels with air.
- Tank valve prevents air from leaking out while allowing for air to pass through for inflation.
- Comes with a cap, threaded tire core valve and brass body.
- The product comes with 1 year quality warranty.
User questions & answers
Question: | the outside stem end is 1/4 inch, what is the size of the inside threads |
Answer: | The width of the metal band is about 1/4 inch. |
Question: | how wide is the other end of the valve ( not the 1/4 in nipple |
Answer: | Yes you can. |
Question: | Will these fit/work in my rockhopper forks? The thread size is 1/4", at least thats the size bolt that threads down into it |
Answer: | Yes but the yellow twists will break before you get the clamp tight enough with a hose as think as a garden hose. You should go with a clamp you can tighten with a screw driver. |
Question: | can this be used on a bike |
Answer: | We linked two clamps together so they would reach around our mast. It was fairly easy as long as the clamps you purchase don't have a stop on the end; ours did not. I would advise you to have a tail on each clamp that's at least 2½ to 3 inches long for a secure hold. We also secured our clamps with rigging tape to protect them from the elements and to protect ourselves from getting snagged on the tails. I don't know if running two clamps together has an impact on any manufacturer's warranty. |
Product features
WYNNsky Tank Valve
This is WYNNsky tank valve that can be used for iar compressors,air tanks,pressure tests and more.It is made of solid brass for corrosion resistance.The tank valve is compatible with items needing a 1/4'' NPT threaded valve.
WYNNsky Tank Valve Feature
- Max working pressure of 200PSI.
- For use with air compressor tanks to fill vessels with air.
- Tank valve prevents air from leaking out while allowing for air to pass through for inflation.
- Comes with a cap, threaded tire core valve and brass body.
- 【Product Name】 5 Way 2 Position Hand Pull Valve
- 【Size】1/4"NPT 【Working Medium】Air
- 【Working Pressure Range】25Psi~116Psi
- 【Product Features】Controls Air Flow On or Off
- 【Fittings】We provide matching fittings,You can connect directly to your 1/4 "or 6mm tube
User questions & answers
Question: | Does it have a mount or way to mount it |
Answer: | Well you presented a question. the inside of the Scharder valve has 2 different thread sizes. the smaller allows the seal to sear. then the larger threaded section secures the valve from the top. the outside diameter of the larger thread is .198 The outside diameter of the smaller thread is .140 the outside diameter of the steam is .298 not 1/4 inch closer to 5/16 These threads are not American Standard or Metric as fare as I could determin.. I would guess they are threads only used on these air valves by Schrader. This was fun as the inspectiom took me back 50 some years to my time as an inspector for Ford. I wonder what you plan to do with this item |
Question: | Does the cylinder stop in any position when you stop pulling on the lever |
Answer: | standard air valve like on a tire. |
Question: | Does it have a neutral |
Answer: | The valve thread size is 1/4 NPT, that means the I.D. of 1/4 pipe is approx 1/4" the O.D. of 1/4 NPT is like 1/2", BUT this is pipe thread not close to 1/4" bolt thread |
Question: | Once the lever is pushed will it stay in that position till it is pulled back Will the vacuum continue without my having to hold the lever |
Answer: | Your a confused individual I suggest you get someone else to work on it. |
Product features
2 Position 5 Way Pneumatic Hand Pull Valve 4H210-08
- Product Name:5 Way 2 Position Hand Pull Valve 4H210-08
- Type: Manual
- Working Medium:Air
- Port Size: Air Inlet (P)=1/4"NPT,Air Outlet(A B)=1/4"NPT,Air Exhaust(R S)=1/8"NPT
- Working Pressure Range:30Psi~116Psi
- Working Temperature:0~140℉ | 0~60°C
- Position and Port Number: 5 Port 2 Position
- Product Features:Controls Air Flow On or Off
Sensitive Handle
It is Lightsome to Change Direction, Stable to Push and Pull, Easy to Operate, Accurate and Reliable to Position.Durable.
High Efficiency Filter Mesh
The Intake Port is Equipped with a 40um Filter Mesh, Which Can Filter Impurities in the Gas and Effectively Improve Work Efficiency.
Complete Accessories
Product Fittings is Complete, the Package Contains 1/4 "or 6 Mm Tube Fittings, Reduce Noise of Pneumatic Muffler, and the Sealing Effect of Teflon Tape.
Product Feature
Product Working Status
Note:It is Recommended to Install an Air Filter to Ensure Clean Air into the Handplate Valve.
Product description
We do pay more cost to have 100% quality inspection for each product, because we know each product means each customer
Inside of ball valve material is actually quite important for product lifetime and leakage problem.Like if ball is iron, it would be rust easily after using a short time,then cause leakage
For your health and safety, this brass fitting is made of lead-free brass which contains less than 0.25% lead
1/4" Male NPT (MNPT) X 1/4" Female NPT (FNPT) connections
Suitable for compressed air, water
- How To Shut Off Completely: Use the brass material for ball,which will last for a long time and won’t rust/leak. Unlike other products that use iron, this product’s inside sealer material is Teflon, which is much better than normal plastic
- Clean Thread: It’s very important for installing, we have one specific quality inspection procedure for this part in the factory
- 180° Handle: You don’t even need to consider which side you should move it to. Both sides can be closed. You will find it extremely convenient, especially in urgent situations
- One-Year Warranty: No need to return it to us. We will issue a refund and send a new one to you if there are any problems within 1 year
User questions & answers
Question: | Can it be used for any type of gas |
Answer: | The handle is chrome plated, and therefore won't rust when used outdoors. Thank you. |
Question: | Can it shut off completely? Any leak |
Answer: | It is about 4 inches long. |
Question: | Is this lead free |
Answer: | I don't think so. A little bit of research says that a valve must have a WOG rating to be used for natural gas. Something about the gas being corrosive. I would recommend doing some research, and also asking the manufacturer. |
Question: | How’s the Handle |
Answer: | yes: 600 CWP 150 WSP Service Suitable for Vacuum Service to 29.9" Hg Full Port Temperature Range: 0 F to 365 F Forged Brass Body Blow Out Proof Brass Stem Chrome Plated Brass Ball PTFE Ball Seats Threads Conform to ANSI B1.20.1 Steel Handle w/Vinyl Grip UL, CSA, FM Approved ISO Registered Factory MSS SP-110 Approved RoHS Compliant |
Product description
Feature:
Port Size : G1/4"
Model Number: 2V025-1/4-12VDC
Seal Material: NBR (Buna N)
Armature Tube Material: Brass
Body Material: Anodized Aluminum
Plunger & Spring Material: Stainless Steel
Response Time: Less than 20 ms
Port Size: G1/4" DN8
Operating Temperature: -10 to 80 °C
Coil Power: 6.5W
Coil Duty: 100% ED (Continuous Duty)
Coil Voltage: DC12V,
Service Media: Air, Gas, Liquid, Water
Valve Type: 2 Way Normally Closed (Valve opens with energized)
Flow Rate: 0.23Cv (Fluid Flow), 22 SCFM at 100 PSI (Air Flow)
Operating Pressure: 0.05 - 0.7Mpa(can be operated at 0 PSI (Vacuum))
Package included:
1 x 1/4inch DC 12V Electric Solenoid Air Valve
- .WIC Valve is compatible with SMC valves. Has two holes in the bottom and can be mounted in any position.
- .2ACK Series valve is a Zero differential solenoid valve which can be operated at 0 PSI (Vacuum).
- .Comes with a ED 100% encapsulated coil which suitable to operate in continuous service and constant energized.
- .This solenoid valve has one G1/4" inch DN8 inlet and one G1/4" inch DN8 outlet port. Valve stays close when the coil is de-energized- and it opens when energized.
- .1/4inch DC 12V 2 Way Normally Closed Pneumatic Aluminum Electric Solenoid Air Valve WIC Valve 2ACK series 2-way normally closed solenoid valve is to control On/Off of air and inert gas.
User questions & answers
Question: | Do you have normally open |
Answer: | The longer it's active the hotter it will get. But it shouldn't get to hot. If it's activated for thirty minutes it might be too hot to hold on your hand but not hot enough to melt the case. |
Question: | Will it work with 120 psi air pressure |
Answer: | Current draw of this is just over .5 amps. |
Question: | how hot should the coil get |
Answer: | Yes! 1/4” pipe OD is 0.540. You loose a bit when its threaded. |
Question: | What is the current draw of this solenoid |
Answer: | No. This one is for 3/8 hose. On the same page there is one for 1/4'' hose. This link should take you to the 1/4''. https://www.amazon.com/dp/B07TT6P4TB?ref_=pe_527950_33920250_dpLink&th=1 |
Product description
Milton (S-684-4) 1/4" MNPT Male Tank Valve 1/4" MNPT tank valves are designed for use in filling vessels with air. Standard valve core with plastic cap measures at 1 1/2" overall length. Maximum pressure of 200 PSI. Cap thread size of .305-32. Other recommended tank valve size: Milton #S-684 (⅛” male NPT, 1” overall length w/cap) tank valve. |
- INCLUDES: Standard valve core and plastic cap. Overall length (with cap): 1.5 inch.
- DESIGNED: For use with air compressor tanks to fill vessels with air.
- IDEAL: Tank valve prevents air from leaking out while allowing for air to pass through for inflation.
- NPT: 1/4" Male national pipe thread. Cap thread size: .305-32.
- MAXIMUM AIR PRESSURE: 200 pounds per square inch (PSI).
- Milton is your number 1 source for Quality Air Accessories
- Since 1943 Milton has been producing Quality Air Accessories
- Milton covers automotive, industrial, hardware, agriculture, heavy-duty fleet and MRO markets
User questions & answers
Question: | Why are these fittings made out of brass? Is pipe dope or teflon tape necessary on the threads |
Answer: | There are three mounting holes going through the body of the valve. I was able to bolt to a flat surface using a couple 10-32 machine screws |
Question: | male on one end and shrader male on the the other end? Remove the core to make it a stright pass though for another 1/4 fitting? Works |
Answer: | This valve will have the cylinder either be fully extended or fully retracted. It is not a joystick style control, it latches in one position or the other. |
Question: | How big is the other side diameter |
Answer: | It is a 2 way toggle, no neutral area. |
Question: | does this have left hand threads to screw into the valve on a 20 lb propane tank vale then i can hook up 1/4 npt fitting to other side |
Answer: | The lever stays in the extend or retract position once you put it there. |
Product description
Material:Plastic
Size(Approx.):37mm x 24mm x 9mm /1.45" x 0.94" x 0.35"
Connector Diameter 4.8mm /0.18"
Thread Diameter 9mm /0.35"
Color:Blue
Quantity:10 Count
Hard plastic material, 2 way design.
Simple design for easy use.
The Aquaculture Air Valve can be connected to aquarium tubing.
Note:
1>Sometimes products look larger or smaller on pictures,please refer to our actual description.
2>Please allow little size error due to manual measurement.
Package Include:
10 x Blue Plastic Fish Tank Air Pump Control Valves
- Material:Plastic;Quantity:10 Count.
- Size(Approx.):37mm x 24mm 9mm /1.45" x 0.94" x 0.35".
- Connector Diameter (Each) 4.8mm /0.18",Thread Diameter 9mm /0.35".
- Simple design for easy use.
- The Aquaculture Air Valve can be connected to aquarium tubing.
User questions & answers
Question: | Will these work under water? Under gravel once flow rate has been established |
Answer: | The rigidity of steel might allow it leak - brass is good - Teflon tape is small insurance- do it and move on ! |
Question: | Will this work with a 3/16" tubing |
Answer: | If you mean to use it as a ¼" nipple, why would you? Besides, the schrader end isn't ¼" NPT. |
Question: | Will this fit 1/4in tubing |
Answer: | Shrader valve (same as bicycle and automotive tires) |
Question: | will this fit 3/16 inch tubing |
Answer: | The fitting on the propane tank where u fill it is much larger than the big end of this valve and the valve has right hand threads. I’m not sure what you are trying to do. |
Product description
Typically used in pneumatic (air compressor), water, and/or oil applications. This shut-off valve is used in Vibrant Yard Company's adapters to winterize sprinkler systems and RVs. It has industry standard 1/4" Male NPT (MNPT) X 1/4" Female NPT (FNPT) connections so it may be used in other home and industrial applications.
- Forged for added strength and durability. Forged brass is stronger and more expensive than cast brass.
- For your health and safety, this brass fitting is made of lead-free brass which contains less than 0.25% lead. Seal materials are PTFE plastic and NBR rubber.
- 1/4" Male NPT (MNPT) X 1/4" Female NPT (FNPT) connections
- Suitable for compressed air, water, and oil. Pressure rating: 200 psi.
User questions & answers
Question: | Does the valve leak any air when under 110+ PSI |
Answer: | They are truly heavy duty stainless steel. |
Question: | can this be used for propane line |
Answer: | I used it for my shower. It works great and the water pressure flows very nicely. I was surprised how it was made of quality material! |
Question: | What psi |
Answer: | Yes, all brass. Very sturdy. |
Question: | Will this work for a gasoline line on an outboard |
Answer: | Mine showed up made in china...I think a USA model would cost more than this does |
Product description
Features:
Fit standard 3/16" diameter tubing.
Manually control the flow of vital O2 or switch an air pump "on or off".
Includes: 20pcs valves. Best choice for aquariums and hydroponics.
Includes:
20pcs air valves
- Fit standard 3/16" diameter tubing.
- Manually control the flow of vital O2 or switch an air pump "on or off"
- Includes: 20pcs valves. Best choice for aquariums and hydroponics.
User questions & answers
Question: | Can these be used in a drip emitter system |
Answer: | Yes it will work under water for fish tank and I also used it for watering plants in Texas. It worked very well because you can regulate the air or water flow. |
Question: | What size hole needs to be drilled in order to thread these into pvc |
Answer: | I don't know but I used tubes the size of an if tube.! |
Question: | Can this be ised with schedule 20 thin wall pvc or do you use schedule |
Answer: | I think 3/16 is the largest it will fit |
Question: | What is the thread on this? I have tried 1/4-20 and 1/4 28 and they are close but not the same. Need tap size to mount these |
Answer: | Yes |
- Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability.
- Red Plastic-covered lever handle for on/off manual control.
- The outside thread with sealant for better sealing.
- Easy Installation in tight working spaces.
- It comes with 1 year warranty.
User questions & answers
Question: | Can the Wynnsky be used with propane gas |
Answer: | I would only use it for air...in the event some of the chrome finish chips of it will rust and wi probably begin to ruin the valve inside that controls the flow. Hope this helps. |
Question: | Will this work for gasoline |
Answer: | I used 13/64" and worked perfect |
Question: | Is this made in the USA |
Answer: | you could probably use the 20, but I would use the 40 just so you have more of the threads biting into the PVC |
Question: | What is the working pressure for this valve |
Answer: | Just drill it just under size and it will self tap pvc. |
Product features
WYNNsky Brass Ball Valve
This is WYNNsky 1/4" Brass Mini Ball Valve.Ball valves use a spherical disc to control the flow between pipes, tubes, or hoses. It is made of forged brass for higher corrosion resistance than steel and has a plastic-covered lever handle for on/off manual control. Do not over tighten. Can be used to give your tool full air flow to total shut-off. Designed for use on all pneumatic circuits and features a quick connect/disconnect positive seal.
WYNNsky Brass Ball Valve Features
- Brass for corrosion resistance, ductility at high temperatures, and low magnetic permeability.
- Red Plastic-covered lever handle for on/off manual control.
- The outside thread with sealant for better sealing.
- Easy Installation in tight working spaces.
Product description
Product description
Specification:
Product Name : Aquarium Air Valve
Material:Plastic
Color : Sky Blue
Connector Diameter (Each) 4.5mm /0.18Inch
Length: 38mm /1.50Inch.
Suitable for: 4mm air tube
Quantity:5PCS.
- Made of high quality plastic, strong and durable, fine workmanship, long service life.
- Easy installation, just insert the connector directly into the air pipe.
- Aquaculture air valves can be connected to aquaculture pipelines.
- Connector Diameter (Each) 4.5mm /0.18Inch.Length: 38mm /1.50Inch.
- Suitable for: 4mm air tube.Quantity:5PCS.
Product description
★Product Specification:
Size:5/32''OD
Material: Plastic and Copper
Pressure Range: 0 ~ 145Psi
Operating Temperature Range: 32~140°F
Medium: clean compressed air and vacuum.
★Package Included:
5/32''OD Air Flow Control Valve (3Pcs)
【Product Features】
① It is used to control the opening and closing of compressed air in pneumatic device
② Precision manufacturing of high-quality and high-strength plastics. Rugged and durable,long life.
③The Stainless steel gripping ring ensures excellent tube retention
★Attention!
1.Do Not Use for Fittings for Drinking Water Pipes.
2.Avoid Contact with Fire Sources.
3.Working Pressure Must Not Exceed 145psi.
4.Do Not Use Fittings under Extra External Load (Bend, Twist or Pull), Otherwise It will Cause Damage or Leakage.
5.Avoid Mixing with Incompatible Materials (Strong Oxidants, Acids, Bases, Etc.).
- 【Product Name】Air Flow Control Valve
- 【Material】Plastic and Copper
- 【Size】5/32''OD
- 【Working Pressure】0~145Psi【Working Temperature】32~140°F
- 【Features】Adjust the Air Flow; Turn Air Flow on or off.
Product description
Description : 1/4inch DC 12V 2 Way Normally Closed Pneumatic Aluminum Electric Solenoid Air Valve WIC Valve 2ACK series 2-way normally closed solenoid valve is to control On/Off of air and inert gas. This solenoid valve has one 1/4" inch NPT inlet and one 1/4" inch NPT outlet port. Valve stays close when the coil is de-energized- and it opens when energized. Has two holes in the bottom and can be mounted in any position. Comes with a ED 100% encapsulated coil which suitable to operate in continuous service and constant energized. 2ACK Series valve is a Zero differential solenoid valve which can be operated at 0 PSI (Vacuum). WIC Valve is compatible with SMC valves.
Specification :
Valve Type : 2 Way Normally Closed (Valve opens with energized)
Service Media : Air- Gas- Liquid- Water
Operation Model : Direct Acting
Flow Model : Uni-Directional
Flow Rate : 0.23Cv (Fluid Flow)- 22 SCFM at 100 PSI (Air Flow)
Response Time : Less than 20 ms
Body Material : Anodized Aluminum
Seal Material : NBR (Buna N) Armature
Tube Material : Brass Plunger & Spring
Material : Stainless Steel Coil
Certification : CE Certification
Coil Power : 6.5W
Coil Class : F Class IP 65 (CE Certification)
Coil Duty : 100% ED (Continuous Duty)
Operating Pressure : Vacuum to 115 PSI
Operating Temperature : -5 to 80 °C
Port Size : 1/4" Inch NPT Female Port
Coil Voltage : 12V DC Voltage
Tolerances : DC : +10% –5% ; AC : +10% -15%
Electrical Connection : Grommet Coil with 12" Lead Wire 2ACK Series Electric Solenoid Valve
Package included : 1 x 1/4inch DC 12V Electric Solenoid Air Valve
- Valve Type: 2 Way Normally Closed (Valve opens with energized)
- Port Size: 1/4" NPT Female Port
- Coil Voltage: DC 12V
- Service Media: Air, Gas, Liquid, Water
- Operation Model: Direct Acting; Flow Model: Uni-Directional
User questions & answers
Question: | does this valve work with gasoline |
Answer: | Yes,. I use them on 160psi. Being brass, they won't corrode with LP |
Question: | does this release the air pressure on the out, when closed |
Answer: | I don't know for sure, but I think so because I use mine for ag chemicals. |
Question: | does this release the air pressure on the out, when closed |
Answer: | It's made in china. |
Question: | Is this a poppet valve, or is it a spool valve |
Answer: | It actually doesn't say on the package or anywhere. However, I'm using it on my portable pressure tank rated for 135 psi or less. It's a heavy duty ball valve. So, it should handle up to 300 psi. |
- 【Product Name】 5 Way 2 Position Hand Pull Valve 4R210-08
- 【Size】1/4"NPT 【Working Medium】Air
- 【Working Pressure Range】25Psi~116Psi
- 【Product Features】Controls Air Flow On or Off
- 【Fittings】We provide matching fittings,You can connect directly to your 1/4 "or 6mm tube
Product features
2 Position 5 Way Pneumatic Hand Pull Valve 4R210-08
- Model: 4R210-08
- Contact Type: Manual
- Port Size : Air Inlet (P)=1/4‘’NPT Air;Outlet(A B)=1/4‘’NPT; Air Exhaust(R S)=1/8‘’NPT
- Working Pressure Range:0.15-0.8MPa | 25-116Psi
- Valve Type:5 Way 2 Position
Sensitive Handle
It is Lightsome to Change Direction, Stable to Push and Pull, Easy to Operate, Accurate and Reliable to Position.Durable.
High Efficiency Filter Mesh
The Intake Port is Equipped with a 40um Filter Mesh, Which Can Filter Impurities in the Gas and Effectively Improve Work Efficiency.
Complete Accessories
Product Fittings is Complete, the Package Contains 1/4 "or 6 Mm Tube Fittings, Reduce Noise of Pneumatic Muffler, and the Sealing Effect of Teflon Tape.
Product Feature
Product Working Status
- Note:It is Recommended to Install an Air Filter to Ensure Clean and Free Air into the Handplate Valve.
Latest Reviews
View all
Sound Booster For Pc
- Updated: 20.01.2023
- Read reviews

Length Insoles
- Updated: 13.07.2023
- Read reviews

Wedding Ring Designers
- Updated: 09.07.2023
- Read reviews

Sharp Full Hd Led Tvs
- Updated: 24.01.2023
- Read reviews

Mens Thermal Undershirts
- Updated: 25.01.2023
- Read reviews