Crispin-Multiplex Mfg. Co. Specializing in Air Release, Check Valves and Butterfly Valves, Crispin-Multiplex Manufacturing Company has served the international valve. Our products are used in almost every application where water or liquid is moved from one place to another—from pipeworks in the municipal water industry to a wide range of applications across a variety of markets.


Crispin - AL Series - Air & Vacuum Valve

The Crispin Air and Vacuum Unit, with its orifice the same diameter as its inlet, allows large quantities of air to be vented from systems being filled with liquid. The same holds true in reverse for vacuum conditions when the system is drained.

Crispin - PL Series - Pressure Air Release Valve

Pressure Air Release Valves are used for the venting of accumulating air while the system is in service and pressurized.


Company details

Business Type:
Technology - Manufacturer

Industry Type:
Water and Wastewater

Market Focus:
Globally (various continents)


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