Pressure Relief Valves
We proudly supply Hy‑Lok Pressure Relief Valves, engineered to provide safe, leak‑tight protection against overpressure in fluid and gas systems. Designed for high‑ and medium‑pressure applications, these valves automatically release excess pressure to safeguard equipment, pipelines, and instrumentation.
Key Features
- Overpressure Protection – Prevents damage to regulators, pumps, and pipelines.
- Leak‑Tight Sealing – Precision machining ensures reliable shut‑off after pressure release.
- Durability – Manufactured from corrosion‑resistant stainless steel and alloys for long service life.
- Adjustable Settings – Opening pressure can be set using color‑coded springs for different ranges.
- Versatile End Connections – Available with male/female NPT, Hy‑Lok tube fittings, and gasket/O‑ring face seals.
- Certified Quality – ISO 9001 manufacturing with full material and test certificates.
Pressure Relief Valves
| Type | Standard NPT Relief Valves (High Pressure) | Standard Relief Valves (Medium Pressure) |
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Applications
- Hydraulic & Pneumatic Systems – Protect circuits from dangerous pressure spikes.
- Process Plants – Safeguard equipment in chemical and petrochemical industries.
- Oil & Gas Industry – Reliable relief valves for upstream and downstream operations.
- Power Generation – Overpressure protection in steam and cooling systems.
- Semiconductor & Data Centres – Precision valves for ultra‑clean gas and fluid systems.
Why Buy Hy‑Lok Relief Valves from Flexy?
Many customers wonder whether to purchase directly from Hy‑Lok Korea or through a local distributor. Here’s why Flexy Sdn Bhd is the smarter choice:
- Official Distributor Advantage – Flexy Sdn Bhd is the authorized distributor of Hy‑Lok products in Malaysia, guaranteeing genuine relief valves with full manufacturer support.
- Local Expertise & Technical Support – Our team provides immediate consultation, troubleshooting, and after‑sales service tailored to Malaysian industries. Buying directly from Korea often means slower response times and limited local support.
- Faster Delivery & Lower Costs – With stock available locally, Flexy ensures shorter lead times and reduced shipping costs compared to overseas orders.
- Import‑Quality, Local Assurance – Customers enjoy international‑grade Hy‑Lok quality while benefiting from local warranty handling, compliance with Malaysian standards, and easier procurement processes.
- Relationship & Reliability – Flexy builds long‑term partnerships with clients, offering training, technical education, and customized solutions that overseas suppliers cannot provide.






