• Protect your system with world-class pressure relief technology — Distributed by PW TECH CO., LTD.

Protect your system with world-class pressure relief technology — Distributed by PW TECH CO., LTD.

FARRIS is a globally recognized expert in pressure relief valves (PRVs), designed to meet ASME and API standards. These valves ensure maximum safety in critical pressure systems for industrial plants across various sectors.
As the authorized distributor in Thailand, PW TECH CO., LTD. offers full-cycle support—from product supply and spare parts to repair and on-site technical consultation by certified engineers.
🔎 Why Choose FARRIS?
✅ International Standards – ASME & API certified
✅ Robust Performance – For gas, steam, and liquid applications
✅ Advanced Software (iPRSM) – Simulate and optimize PRV systems
✅ Critical System Protection – Prevent overpressure failures
✅ Local Support – Fast spare part supply and repair in Thailand
🛠 Valve Types Available
- Spring-Loaded PRVs
- Pilot-Operated PRVs
- Emergency Relief Valves
- PRVs for Steam & Liquid Services
🏭 Industries Served
- Oil & Gas / Petrochemical
- Power Generation
- Chemical Plants
- High-Pressure Piping Systems
- General Manufacturing
✅ One Solution for Pressure Safety
FARRIS by PW TECH — Not just valves, but a complete safety solution for your system.

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PW TECH CO.,LTD.

Main 3 Products

Industrial valve distribution / Control & automation systems / After-sales service

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PW TECH CO., LTD. is a trusted distributor of industrial valves and control solutions in Thailand. We serve key industries including oil & gas, petrochemical, chemical, and power generation with globa ...