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Air Check Valves
Air Actuated Check Valves for use with M7, M10, M15, M25 and M30 meters
Air check valves are spring loaded valves on the outlet side of the meter. Most Liquid Controls meter systems with an air eliminator also have an air check or a differential valve. Air eliminators and air check valves work in conjunction to stop the flow of product through the meter until the air is eliminated from the system. In order to do this, the air eliminator and the valve are piped together at
installation.
Air check valves are normally closed, but when the pump starts and pushes product into the system, the valve spring will give way to the flow pressure. In order to keep the valve closed when air is being expelled from the air eliminator, the air from the air eliminator is routed through the piping to the back side of the valve spring. The combined force of the expelled air and the strength of the spring keep the valve closed until the air is eliminated.
Air actuated check valves. For use with M-7, M-10, M-15, M-25 and M-30 Meters. Designed to stop the flow whenever air or vapor is present thereby assuring accurate measurement. Available in aluminum or stainless steel 2" or aluminum 3" and 4". Rated to 150psi.
Bill of Materials
Installation and Operation Manuals
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