Silent check valve is mainly composed of valve body, valve seat, guide body, valve disc, bearing, spring and other main parts. Streamline design is adopted for internal passage to minimize pressure loss. The valve disc has a very short starting and closing stroke, which can be quickly closed when the pump is stopped to prevent huge water hammer sound, and has the characteristics of silent closing.
Silent check valve is mainly used in water supply and drainage, fire fighting, HVAC system. Silent check valve can be installed at the outlet of water pump, which can prevent medium backflow and water hammer damage to the pump.
|Type of Valve||Silent Check Valve|
|DN (mm)||50 ~ 1200|
|Design Temperature Range||0 ≤80℃|
|Applicable Medium||Clean water, sea water, sewage, oil etc|
Material of Silent Check Valve
|Seat of body||ZQA19-4|
1. Both ends of the path of the silent check valve should be blocked. It should be in a dry and ventilated room. If it is stored for a long time, it should be checked frequently for anti-corrosion.
2. The valve shall be cleaned before installation.
3. When installing the silent check valve, it is necessary to carefully check whether the label on the valve meet the use requirements.
4. The silent check valve is installed on the horizontal pipeline with the valve cover upward.
5. Silent check valve should not be used for medium with solid particles and high viscosity
MST Valve Co., Ltd. is a professional supplier of industrial valve, such as Butterfly valve, Ball valve, Check Valve and Gate valve.
Dedicated to strict quality control and thoughtful customer service, our experienced stall member are always available to discuss your requirements and ensure full customer satisfaction.
We have hydraulic test for every single piece of valves, life test for new developed valve under certain working pressure and temperature, which ensure reliable quality of each piece of valve.
With large stock of valve parts, we may delivery the valves in a very short time.
As one of OEM manufacturers of industrial valve, we provide OEM service and accept customized order as well.
Trust, quality and value, your partner in success.
We passed CE , API, ISO certification.
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1. Can i have a sample order for valve ?
A: Yes, we welcome sample order to test and check the quality, Mixed sample are accepted.
2. Do you have any MOQ limit for valve order ?
A: Low MOQ, 1 PC for sample checking is avaible.
3. Could you offer OEM service ?
A: Yes, OEM is availble.
4. How about the payment ?
A: We normally accept 30% deposit, and balance will be paid before shipping. L7C is OK
5. Whafs the delivery time of your butterfly valves?
A: For most of the sizes,DN50-DN600,we have stock of valve parts,it*s possible to deliver in 1-3 weeks,to nearest seaport Tianjin.
6. Whafs the warranty of your products?
A:We normally offer 12 months of warranty in service or 18 months since shipping date.
7. What is your products standardization?
A: GB/T12238-2008, JBfT 8527-1997, API 609,EN 593-1998, DIN 85003-3-1997