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Hy-Lok valves include needle, ball, plug, check, relief, and instrument manifolds with a variety of end connections, pressure ratings, handles, and materials.

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Ball and Plug Valves

Hy-Lok's ball and plug valves offer a wide range of sizes, configurations, end connections, pressure and temperature ratings for process and instrumentation applications.

Bellows Valves

Hy-Lok's BL Seires bellows valves feature an all-metal seal, a maximum working pressure up to 500 psi (34.4 bar), and a temperature rating up to 200ºF (93ºC).
B&P Valves

Bleed and Purge Valves

These valves range in size from 1/8" to 1/2" and offer a variety of end connections including Hy-Lok tube fittings, male/female NPT and ISO threads.

Check and Relief Valves

Hy-Lok check & relief valves are available in fixed and adjustable-spring models with several material and end connection options ranging in sizes from 1/8" to 1".

Diaphragm Valves

Hy-Lok's DV Seires Diaphragm Valves are made of 316L VIM/VAR and offer a long life cycle with excellent corrosion resistance with a variety of surface finishes for your specific applications.

Inline and Tee Filters

Hy-Lok's inline and tee filters are available in 316 stainless steel or brass, and feature a replaceable 316 sintered stainless steel filter element for effective particle entrapment.

Instrument Manifolds & Gauge / Root Valves

Hy-Lok's instrument manifolds and gauge / root valves feature a strong, compact single-piece construction with metal to metal seals for ensured safety and performance.

Integral Block and Bleed Valves

Specifically designed to provide a compact installation for gauge or transmitter instruments, these valves feature reduced weight and minimum leakpaths.

Needle Valves

Hy-Lok's rugged and compactly designed needle valves offer a wide range of sizes, configurations, end connections, pressure and temperature ratings.
Toggle Valves

Toggle Valves

Hy-Lok's TG Seires Toggle Valves offer manual and pneumatically actuated models for quick opening and closing. Available in stainless steel and brass with a variety of connections and configurations.