Check Valves

Check Valve, also known as clack valve or one-way valve, are an inexpensive yet effective solution to controlling backflow in high and low-pressure fluid systems.

Key Features:

  • Designed for durability and precision, these valves are widely used in industries such as semiconductor, chemical processing, data centers, and food manufacturing, where system integrity and safety are paramount.
  • Large inventory of instrument check valves; including welded check valves, compact check valves, ball check valves, high-pressure check valves, and adjustable check valves.
  • End connection options include male / female NPT, Hy-Lok tube fittings, and metal gasket & O-ring face seals.

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Hy‑Lok Check Valves – Reliable Backflow Prevention for Critical Applications

Type Air Manifolds
Material
  • Wide Material Options: Stainless Steel, Brass, and Alloy 400 (Monel) for compatibility with diverse media.
Specifications
  • High Pressure Capability: Up to 3000 psig (210 barg) at 100℉ (38℃).
  • Temperature Range: -10℉ (-23℃) to 375℉ (191℃).
  • Spring‑Loaded Poppet Design: Ensures reliable shut‑off and consistent cracking pressure.
  • Cracking Pressure Range: 0.02 barg (1/3 psig) to 7 barg (100 psig).
  • Leak‑Tight Performance: Viton O‑ring seats and seals, with select models 100% helium leak tested.
  • Versatile End Connections: Tube butt weld, pipe thread, and Hy‑Lok tube fittings for easy integration.

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Applications
– Instrumentation lines
– Sampling systems
– Gas distribution networks
– Chemical and process control systems

Why Choose Hy‑Lok Check Valves?
– Proven reliability in high‑purity and high‑pressure systems.
– Compact design for space‑constrained installations.
– EC‑79 certified options for hydrogen and alternative fuel applications.
– Backed by Hy‑Lok’s global reputation for precision fluid system components.

Choose the Hy-Lok Check Valve from Flexy Sdn Bhd for a trusted solution that ensures reliable backflow prevention, system safety, and long-term performance. Contact us today to learn more or request a quote.


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