Wafer Type Dual Plate Check Valve
Wafer type dual plate check valves remain open with forward fluid flow and close with back pressure, utilizing either fluid back pressure, weight, or spring force. These valves are available in various designs and sizes, ranging from 50mm to 1600mm diameter, offering an efficient and versatile design.





Technical Specifications
Overview
High-Performance Dual Plate Check Valve
Designed for critical one-way flow control, this dual-disc wafer check valve effectively prevents backflow in industrial piping systems. Its compact, lightweight design ensures minimal fluid resistance and sensitive operation, making it ideal for diverse applications from water treatment to petrochemical processing. Built for longevity and reliability, the valve supports both horizontal and vertical installation, offering a versatile solution for demanding environments.
Technical Specifications
Design Features
- One-piece body
- Butterfly swing type mechanism
- Dual-plate disc with long-pattern design
- Renewable split disc
- Retainerless construction
- Horizontal or vertical service capability
- Size Range
- DN15 - DN1200
- Pressure Class
- Class 150 - 2500
- Compliance Standards
- API 594ANSI B 16.10ANSI B 16.5ANSI B 16.47API 598ISO 14313ASME B 16.34
Materials
Standard Material Specifications
| Part | Carbon Steel Option | Stainless Steel (316) Option |
|---|---|---|
| Body | A216 WCB | A351 CF8M |
| Plate | WCB+13Cr | A351 CF8M |
| Stop Pin | A276 410 | A276 316 |
| Back Spring | Si-Mn Steel | Inconel 750 |
Applications
Typical Industries
- Compatible Media
- WaterSewageSea WaterSteamAirFoodstuffOilsNitric AcidUrea



