Wafer Check Valve
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Wafer Check Valve

Wafer check valve is also known as counter flow valve, check valve, back pressure valve, one-way valve. This kind of valve is automatically opened and closed by the force generated by the flow of medium itself in the pipeline, which belongs to an automatic valve.

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Product Description

Customized Wafer Check Valve Manufacturers and Suppliers with the Price List
1.Introduction of Wafer Check Valve

Wafer check valve is also known as counter flow valve, check valve, back pressure valve, one-way valve. This kind of valve is automatically opened and closed by the force generated by the flow of medium itself in the pipeline, which belongs to an automatic valve.
Wafer valve is used in pipeline system, its main function is to prevent medium backflow, pump and its drive motor reverse, as well as the discharge of medium in the container. 

Wafer Check Valve


2.Technical Date of Wafer Check Valve

Name
Butterfly Check Valve
DN (mm)
50 ~800
PN (mm)
1.0~2.5
Slowly-closing time
3~60s
Applicable Medium
Clean water,sewage and seawater
Connection
Wafer
Design temperature
0~80℃
Design standard
Face to Face is according to ISO Standard
Inspection and Test Standard
API598


3.Material of Wafer Check Valve 

Body
Cast iron , Ductile iron, stainless steel
Disc

Ductile iron with zinc plated or                             

AL-bronze/stainless steel

Stem
Stainless Steel
Spring
Stainless Steel
Rubber gasket
NBR/EPDM



4.Application of Wafer Check Valve

Wafer check valves can also be used to supply lines to auxiliary systems where the pressure may rise above the main system pressure. According to the different materials, the waffer check valve can be applied to various medium pipelines. When the wafer check valve is installed on the pipeline, it becomes one of the fluid components of the whole pipeline. The opening and closing process of the valve disc is affected by the transient flow state of the system in which it is located; On the other hand, the closing characteristics of the disc have an effect on the flow state of the fluid.



5. Characteristics of  Wafer Check Valve

Small size, light weight, compact structure, easy maintenance.
The valve plate adopts dual type, which can close automatically under the elastic moment of spring.
Due to the quick closing effect, it can prevent the medium from backflow and eliminate water hammer.
The valve body has the advantages of small length, good rigidity, safety and reliability.
Complete sealing and zero leakage in hydrostatic test.
Wafer check valve is easy to install, and can be used for horizontal and vertical installation.



6. About Tianjin Milestone Valve Co., Ltd.

7. Packaging and Delivery


8. FAQ

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

8. How to contact us?
A:[email protected]
0086 13400234217 Whatsapp& Wechat


9.Contact Information

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