Silent Check Foot Valve

Size: 2″-12”(DN50-DN300)
Material: Ductile iron ASTM A536, 65-45-12
Type: MSS SP-126 Silent Check Valve, ANSI STANDARD, BS STANDARD
Design Standard: API594, JB/T8937, MSS SP-125
Connection:BS EN 1092-2 PN10/16/25, Flange to ASME B16.1 CL 125
Pressure Rating: 175PSI, 200PSI, 250PSI, 300PSI, PN10, PN16, PN25
Temperature: 0-80 ℃
Surface Treatment: ANSI/AWWA C550
Medium: Water, gas etc.

We’re here to help:
Easy ways to get the answers you need.

Product Description

Products Details

What is Silent check bottom valve?

The Silent check bottom valve refers to the addition of a bottom valve filter screen at the bottom on the basis of the muffler check valve.
Silent check valve refers to a valve that automatically opens and closes the valve flap by relying on the flow of the medium itself to prevent the backflow of the medium. Drainage of container media.

Product Drawing


Principle of Silent Check Bottom Valve:

Silent Operation: Silent check foot valves are designed for quiet operation, minimizing the noise often produced when traditional check valves close. This is achieved through specialized design features that reduce water hammer effects and turbulence during operation.

Vertical Mounting: These valves are usually mounted vertically at the bottom of a pipe or pump suction line. Vertical mounting helps ensure proper activation and prevents trapped air, which can affect valve performance.

Low Head Loss: Silent check foot valves are designed with low head loss, which means they provide minimal resistance to flow in the open position. This helps optimize system efficiency and reduce energy consumption.

Non-Slam Design: The silent check foot valve is designed to prevent slamming or sudden closing when flow conditions change. This helps extend the service life of the valve and reduces the risk of damage to downstream equipment.

Rubber or Spring-Assisted Closure: Depending on the specific design, silent check foot valves may utilize a rubber diaphragm or a spring-loaded mechanism to ensure positive sealing and reliable operation. These mechanisms help maintain a tight closure and prevent backflow in the pipe.

Malleable Iron SCC Short Compression Coupling NPT Thread

Application and Case

Products are used in fire protection system, water system, HVAC system, plumbing, gas system, irrigation system, etc.These products are used in many projects , such as China Taiwanese Building 101, Xiamen Building,Wuhan Expo Building and other famous landmark projects.


1. What is the minimum quantity of the order?
Answer: The purchase volume of mixed products is 4 tons

2. How long is the delivery time of the order?
Answer: The delivery time for general orders is about 30 days. If the order is urgent and we have stock, around 7 days.

3. What payment methods do you accept?
Answer: We accept payment terms such as TT, L/C, DP, Western Union, Paypal, etc.

4. Where is your departure port of shipment? Is it possible to deliver to the designated warehouse?
Answer: The port of departure of our goods is generally Tianjin Port or Qingdao Port. We can transport the goods to designated warehouses, such as Yiwu, Guangzhou, etc.

5. What certificates do your products have?
Answer: Our products have FM/UL certificates, and we cooperate with third-party quality inspection certification before the factory, such as SGS,TUV

6.What are the series of your products?
Answer: Our products are divided into heavy series, medium series and light series according to different markets and standards. In order to buy more competitive products for you, please communicate your purchasing needs with the salesperson.

7. Do product packaging cartons and labels support customization?
Answer: Packaging cartons and labels can be customized according to customer requirements.

8.Does the purchased product support customization?
Answer: The product supports customization, but there are purchase quantity requirements and mold costs. For details, please consult the salesperson.

9.What are the packaging methods of the product?
Answer: The packaging of the product includes carton packaging, pallet packaging, wooden box packaging, and woven bag packaging.