Cast Iron Wafer Check Valve for Water Treatment
This API 594 class 150LB cast iron wafer type double disc swing check valve is designed for water treatment applications. Its wafer type design allows for easy installation between flanges and the double disc swing mechanism ensures reliable backflow prevention.



Technical Specifications
Product Overview
Dual Flap Wafer Check Valve
This API 594 Class 150LB wafer type check valve is engineered specifically for water treatment applications, featuring a dual-flap design that minimizes flow restriction. The twin spring-loaded discs ensure rapid response to flow changes, providing positive shut-off against backflow while preventing slamming. Its compact, lightweight construction allows for easier installation and smaller face-to-face dimensions compared to conventional swing check valves.
Technical Specifications
- Size Range
- DN40 - DN800
- Pressure Rating
- Class 150LB
- Design Standard
- API 594
Materials
- Body Material Options
- Cast Iron GG25Ductile Iron GGG40Stainless Steel 304Stainless Steel 316
Compatibility
Supported Flange Standards
- DIN
- ANSI
- JIS
- BS


