The H71 Wafer Single Disc Check Valve is an ultra-thin check valve characterized by an extremely short face-to-face dimension, typically 1/4 to 1/8 that of a traditional check valve. Composed of a body, disc, and spring, it uses a wafer connection and operates automatically based on pipeline pressure. The disc opens with flow and closes via spring tension and backflow when pressure drops. Due to its lightweight and space-saving nature, it is widely used in water supply, HVAC, chemical, and water treatment systems at pump discharge points.

Product Image:H71 Wafer Single Disc Check Valve

1、Ultra-Short Face-to-Face: The narrow wafer structure significantly saves installation space, making it ideal for compact modular piping.

2、Lightweight Design: Weighs over 60% less than traditional flanged check valves, reducing pipe support load requirements and shipping costs.

3、Sensitive Response: The short disc stroke, assisted by an internal spring, ensures rapid opening and closing, minimizing medium backflow response time.

4、Smooth Flow Path: The valve provides a near full-bore passage when open, offering low flow resistance and ensuring efficient flow rates.

5、Stable Sealing Performance: Available with soft seating (EPDM/Viton) or metal seating (SS) to provide reliable shut-off across different media types.

6、High Compatibility: Matches various flange standards (GB, ANSI, DIN, JIS, etc.) and offers flexible installation in both horizontal and vertical lines.

Structure Diagram:H71 Wafer Single Disc Check Valve

Material List

Performance Specification Sheet

Standard requirements for external dimensions

Product approved by PED97/23/EC (CE0036)

Casting approved by AD2000-W0

Inspection & Testing: API598, EN12266

Outline Diagram:H71 Wafer Single Disc Check Valve

Outline Dimension Table   （Unit:mm）