Silent Check Valve

Corrosion
Resistant
Leak Tight
Sealing
Automated
Operation
Low Maintenance
Long Life

Alis Valves is an Silent Check Valve Manufacturer Supplier in India Offer designed to prevent reverse flow and minimize water hammer and operating noise in piping systems. Its spring-assisted closing mechanism provides quick and smooth shut-off, making it suitable for water supply, pumping stations, HVAC, water treatment, and industrial applications.

Product Specifications and Overview

ALIS Valves offers Silent Check Valves for industrial applications requiring reliable non-return flow control and reduced water hammer. These valves are designed to allow fluid flow in one direction and prevent reverse flow, while their spring-assisted closing mechanism helps reduce pressure surges and closing noise in compatible piping systems.

Silent Check Valves are suitable for water treatment plants, pumping stations, HVAC systems, power generation and other industrial fluid handling applications. The appropriate valve selection depends on operating pressure, flow rate, temperature, fluid type, valve size and material requirements.

At ALIS Valves, we help you identify a suitable Silent Check Valve based on your application requirements and project specifications. Contact us to discuss your needs and find the right valve solution for your system.

Size Range

DN40 to DN500 (1½" to 20")

Operating Temperature

Up to 120°C*

Pressure Rating

PN10, PN16, PN25, PN40

Closing Mechanism

Spring-Assisted Quick Closing

Body Material

Ductile Iron / Carbon Steel / Stainless Steel*

Disc Material

Stainless Steel / Ductile Iron / Carbon Steel*

Seat Material

EPDM / NBR / PTFE

Spring Material

Stainless Steel

Silent Check Valve

Industries Served

Chemical

Chemical

Engineered valve solutions tailored for critical Chemical operating processes.

Oil & Gas

Oil & Gas

Engineered valve solutions tailored for critical Oil & Gas operating processes.

Power Generation

Power Generation

Engineered valve solutions tailored for critical Power Generation operating processes.

Water Treatment

Water Treatment

Engineered valve solutions tailored for critical Water Treatment operating processes.

Applications

Compressed Air

Compressed Air

High-performance flow automation engineered for Compressed Air operations.

High Pressure

High Pressure

High-performance flow automation engineered for High Pressure operations.

Steam

Steam

High-performance flow automation engineered for Steam operations.

Water

Water

High-performance flow automation engineered for Water operations.

Frequently Ask Questions

A Silent Check Valve is an automatic non-return valve designed to prevent reverse flow while reducing valve noise, pressure surges and water hammer.
Its spring-assisted closing helps the disc close before significant reverse flow develops, reducing sudden flow reversal and pressure surges.
Yes. Silent Check Valves are commonly used on pump discharge lines where reverse-flow prevention and reduced water hammer are required.
The disc opens with forward flow and closes quickly with the help of a spring when flow decreases or reverses.
PTFE may be selected where chemical compatibility, low friction or higher temperature capability is required.
Yes, ALIS Valves is a Silent Check Valve Manufacturer in India, offering check valve solutions for water supply, pumping, water treatment, HVAC and industrial pipeline applications.