...

Our website uses cookies to improve your experience and record usage statistics. By using our site you consent to cookies as described in our Privacy Policy. We take your privacy and data security very seriously and all information collected will be kept strictly confidential.

Decline All Accept All

Silent Check Valve

Product Features

● Spring-Assisted Silent Design: The valve closes smoothly and quickly, preventing noise and water hammer.
● Axial Flow Structure: Ensures streamlined flow with minimal pressure loss.
● Soft or Metal Seat Options: Suitable for water, air, oil, and light chemical fluids.
● Compact & Flanged Body: Easy installation in horizontal or vertical (upflow) pipelines.
● Corrosion-Resistant Materials: Cast iron, ductile iron, carbon steel, or stainless steel options available.
● Maintenance-Free Design: Simple internal construction ensures long-term reliability.

Product Overview

Product Overview

The Silent Check Valve is engineered to provide quiet and efficient backflow prevention, especially in pump discharge and high-flow systems.

Its spring-assisted axial flow design ensures rapid disc closure, effectively minimizing water hammer and eliminating noise generated during valve operation.

It is widely used in water supply systems, HVAC pipelines, booster pump stations, fire protection systems, and industrial fluid networks.

Product Advantages

Product Advantages

● Ultra-Low Noise Operation: Eliminates hammering and vibration during pump start/stop.
● Fast Response: Spring-loaded disc ensures immediate closure when flow stops.
● Energy Efficient: Low pressure drop improves pump and system performance.
● Reliable Backflow Prevention: Ideal for sensitive systems requiring quiet operation.
● Long Service Life: Robust disc and guide structure ensure stable performance.

Technical Specifications

Size Range

● DN40 – DN400 (Approx. NPS 1.5″ – 16″)

 

Pressure Rating

● PN10 / PN16

 

Standards

● Design Standard: EN 12032 / API 594
● Test Standard: EN 12266 / API 598
● Flange Standard: EN 1092-1 / ASME B16.5

Industry Applications

Industry Applications

● Water supply distribution pipelines
● HVAC chilled water and cooling systems
● Booster pump discharge lines
● Fire protection and pressure maintenance systems
● Industrial fluid and circulation systems
● Noise-sensitive or high-speed flow pipelines

Seraphinite AcceleratorOptimized by Seraphinite Accelerator
Turns on site high speed to be attractive for people and search engines.