Engineered Controls Chek-Lok® Valve – 1-1/4" M. NPT Inlet x 1-5/8" UNF Outlet – Brass, UL Listed
This Chek-Lok® Excess Flow Valve from Engineered Controls is engineered to simplify and secure the transfer of liquid LP gas from stationary tanks. The 1-1/4" M. NPT inlet and 1-5/8" UNF outlet allow this unit to connect seamlessly with tank adapters and shut-off valves, streamlining the transfer process with just one valve.
Key Benefits:
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Heavy-Duty Brass Cap requires 3.5+ full turns to remove — ensuring secure operation.
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Weep hole indicator confirms valve is closed before cap removal.
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Integrated O-ring seal provides gas-tight security before adapter opens the system.
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UL Listed and compliant with industrial LP systems.
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One Valve, Many Tanks: Compatible with multiple containers via transfer adapter setup.
Perfect for bulk plant installations or tank-specific transfer setups, this Chek-Lok valve is designed for use where liquid withdrawal is required before container removal.
⚠️ Not intended as a liquid source for pump systems. Use an in-line excess flow valve to protect downstream piping when required.