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 - DL Series - Deep Well Valve

The Crispin Deep Well Air Valve is designed to vent air from the pump column at the discharge point ahead of the check or control valve. The air flow is controlled by screwing down the stem on the Deep Well top to a point where the float ceases to flutter. In the event of excessive water spillage or slamming of the float into its seat, further adjustment may be necessary. After the correct setting has been found, the jam nut is tightened. Crispin ...

Crispin - GC Series - Globe Silent Check Valve

Mounted vertically or horizontally, these valves are designed to close before the pump stops, preventing flow reversal, and eliminating water hammer and system surges.


Company details

Business Type:
Technology - Manufacturer

Industry Type:
Water and Wastewater

Market Focus:
Globally (various continents)


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