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Home > Hy-Lok Fluid System Products > Valves
Hy-Lok Valves include needle valves, ball valves, plug valves, check valves, relief valves, and instrument manifolds. Hy-Lok valves offer a variety of end connections, pressure ratings, handles and base materials including 316 stainless steel, carbon steel, brass, and special alloys. Hy-Lok is one of the few manufacturers capable of designing, developing and delivering custom fabricated valves according to rigid client specifications.
Contact Hy-Lok today to discuss your application needs or locate a distributor.

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

Ball & 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.

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

Instrument Manifolds, Gauge Valves & 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.

Inline & Micron 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.

Integral Block & Bleed Valves
Specifically designed to provide a compact installation for gauge or transmitter instruments, these valves feature reduced weight and minimum leakpaths

Double block and bleed valves

Double block and bleed valves are commonly used throughout the oil and gas extraction industry; especially on floating platforms and storage vessels where space is a primary concern. Hy-Lok DBB valves are highly flexible in design, and can be custom engineered to meet various lengths, heights, and connection sizes.

Hy-Lok double block and bleed valves can be produced using the same face-to-face dimensions as existing single block ball valves, eliminating the need to modify pipe systems. Double block and bleed valves are available in modular, monoflange, and root configurations, and can be fitted with optional one way check valves for chemical injection applications.

Toggle Valves
Hy-Lok's 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.

Diaphragm Valves

Hy-Lok's 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.

Bellows Valves
Hy-Lok's Bellows Valves feature an all-metal seal, a maximum working pressure up to 500 psi (34.4 bar), and a temperature rating up to 200? (93 C).

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