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Excess Flow Valves for Natural Gas Vehicles, CNG Fueling Stations & Hyrdrogen Generators

ChemTec’s excess flow valves are in-use at CNG (compressed natural gas) filling stations, housed within NGV’s (natural gas vehicles), and hydrogen generators. Our EFV-250-B (also available in 316 SS) customized for hydrogen generators installed at the base of cell phone towers.  Our HP-EFV-750-S in fully working CNG filling stations; installed on the  supply line.


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