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What is an air dump valve?

What is an air dump valve?

An Air Dump Valve allows the operator to completely exhaust – “dump” – the air from the trailer’s air suspension springs, often to facilitate the loading or unloading of the trailer.

How does a rapid dump valve work?

When you switch on the pilot air in the the cab, Rapid Dump’s supply port will close and the delivery pressure will be released to the atmosphere. Release the pilot pressure and Rapid Dump’s supply port will reopen, allowing air pressure from the leveling valve to travel to the air bags.

How does air suspension dump valve work?

Air is dumped from the air bags without affecting the air pressure in the air supply. When the pilot valve is shifted to the Travel position, air pressure is removed from the HCV dump valves. This allows the dump valves to return to the Travel position. The HCV can now inflate or deflate the air bags as needed.

How does an air leveling valve work?

This valve is typically mounted to the vehicle frame and connects to the suspension lower member with a signal link. As the suspension raises and lowers, the valve ‘reads’ the height of the suspension and adds air to or removes air from the air springs.

Where should a quick exhaust valve be located?

A quick exhaust valve is always mounted:

  • close to the directional valve port.
  • at the directional valves inlet port.
  • close to the cylinder port.

How much does it cost to install a dump valve?

A manual (“pilot-operated,” as it’s often called) dump valve is simple to install, takes about two hours and costs less than $100.

How many valves do I need for air ride?

This will require a total of 8 valves. Installing them in this manner will give you independent airbag control, or FBSS (Front, Back, Side, Side) control depending on your controller or wiring method.

What is a dump valve on a semi truck?

The dump valve releases the air from one of the trailer axles. By releasing the air, it takes pressure off of turning a spread axle. It can really save your tires and suspension, if used properly. NEVER run at highway speeds with the valve open.

Is it worth fitting a dump valve?

In aftermarket applications though, the main reasons for fitting a Dump Valve are to hold higher-than-standard boost levels, to give better throttle response (than a factory Dump Valve) by staying closed whenever it’s not venting, and of course to make noise!

How to clean air compressor valves?

– Place your air compressor in the normal position. – Grip the ring on the compressor tank’s drain and turn it counter-clockwise. – Make sure to open the drain valve all the way. – Void the entire tank of the water, sludge, oil or even rust. – Leave the valve open for a little help drying it out. – Close the drain completely and ensure that its very tightly sealed.

How to service a dump valve?

– CNC machined from a single block of Delrin TM for maximum strength – Unique LockRing TM system that provides a second level of safety – Manufactured in Singapore – Independently lab tested by Singapore Testing Body – Do-It-Yourself Kit : Repair it anytime, anywhere

What is the purpose of dump valve?

– Load holding (prevents movement of a ram etc when the directional control valve is in neutral), – Load control (stops the load running ahead of the pump) or – Safety (eg if a hose bursts, the boom on a crane does not come crashing down

How to replace air compressor drain valve?

Replacing the drain valve in an Air Compressor is a fairly easy job. You can get the part at you local hardware or home improvement4 store. I purchased at

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