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Wafer Style Check Valve Prevents Water Hammer

Product Announcement from DFT Inc.

This DFT® Model WLC® Wafer Style Silent Check Valve is a lightweight, spring-assisted, center guided, non-slam check valve that provides reliable, low-maintenance service for a wide range of fluids and pressure/temperature combinations. The joint between the seat ring and body is sealed by the flange gasket upon installation preventing any leakage through the joint when the valve is in service.


• Wafer design

- ASME 150/300

- 2" to 10"

• Standard body material:

- A216 Grade WCB carbon steel

- A351 CF8M stainless steel

• Optional body materials:

- Alloy 20

- Hastelloy®

- Inconel® 625

- Duplex SS

- Titanium

Contact DFT at or 610-363-8903

About DFT Inc.

DFT provides cost effective application engineering assistance, rapid prototyping and fast-turn initial production. Our staff responds quickly and our systems are designed to deliver reliably within our ISO9001-2000 quality management system. For more than fifty years DFT has solved check valve problems, prevented check valve failure and water hammer and solved severe service control valve problems.