Wey

Tight Shutoff. Trusted Performance.

WEY designs and manufactures high-performance knife gate valves for everything from wastewater to extreme industrial service. Known for tight bi-directional shutoff and long service life, their valves deliver reliable isolation even in highly abrasive or corrosive environments.

Knife gate valves engineered for zero leakage and extreme process conditions.

WEY offers resilient and metal-seated knife gate valves in cast iron, stainless steel, and specialty alloys, rated up to 1400 PSI. Their proprietary transverse seal design minimizes maintenance and enables in-line packing under pressure. Thousands of WEY valves have been installed in severe service applications, including the Alberta oil sands.

Did You Know?

  • Joseph Wey patented a groundbreaking knife gate valve design in 1956.
  • WEY pioneered the square-body valve design still used today.
  • Their transverse seal can be repacked without removing the valve from service.
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W Series

The W Series knife gate valves are built for maximum adaptability in abrasive and demanding applications. With flexible design options and robust construction, this series handles severe conditions while delivering dependable isolation and long-lasting service life.

Need a TOv In A hurry?

VL Series

Crafted from stainless steel, the VL Series delivers bubble-tight, bidirectional shutoff in corrosive environments. Its proven sealing performance gives operators full confidence in critical service, especially where process integrity cannot be compromised.

VS Series

The VS Series offers a lightweight and cost-effective solution that doesn't sacrifice performance. Its stainless-steel construction and dependable shutoff make it a reliable choice for systems requiring robust function at a lower cost.

VM Series

The VM Series combines rugged construction with advanced features not found in standard knife gate designs. This valve is engineered for durability and consistent sealing in systems facing high pressures or harsh process media.

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You bring the challenge — we’ll bring the valves, instruments, and expertise.
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