Wafer Type Double Door Butterfly Check Valve

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50 Pieces pc
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50000 Pieces Per Month pc/month

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Product Description:


‍Packaging & Delivery of Double Disc Wafer Swing Check Valve 

Packaging Details: Veneer board boxes
Delivery Detail: Within 35 days after confirm of order(according order quantity)


Specifications of Double Disc Wafer Swing Check Valve 


1. Size: DN50-DN600

2. pressure: PN16, CL125/150

3. Seal: NBR / EPDM

4.CI,DI,SS Body

Technical specificatiion:

1)valve Design and production according to ASMEB16.34,BS1873 and GB/T12235;

2)The sizes of flange ends according to ASME B16.5,GB/T9113 and HG20596 (or specified by customers);

3)Inspecting standard: API598, JB/9092

4)valve Material: WCB,Stainless steel,carbon steel etc

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Q:Three forest electric water heater, hot water flow is small, check valve dripping problem?
You called the check valve is also called one-way valve, safety valve has non-return function, also known as relief valve, also can be said as a pressure reducing valve. About 7 kilograms of pressure will generally not Water Leakage, Water Leakage, because of the small water valve and is a function of the filter, open the inlet connecting, you will find a safety valve on the water inlet filter gasket, cleaning.There's no more than 100 in that thing. We're all dead. Send you one.You said that Sanlin manufacturers on this level? Too oftenThe safety valve must be fitted, or the tank will be under great pressure and the hot water will run into cold water.Relief valve function: release, check, filter
Q:Is the check valve and relief valve something?
Not the same thing!!! Installed on the water heater will not have too much money, less than 10 should be enough, but most of the water heaters are non - targets, may not be too good to match, you'd better go to a larger plumbing market
Q:Check valve H41T-16. What are the numbers and letters in it?
H stands for check valves, 4 for flanges, 1 for lift, T for seal, and 16 for pressure
Q:Check valve h42h-dn80 what does that mean?
According to the provisions of the JB/T 308-2004 valve type programming method:H = check valve4 = connection: flange2 = structure form: vertical lifting typeH = sealing surface material: Cr13 stainless steelDN80== nominal diameter: 80mm
Q:What is the function of the stop valve and check valve installed on the water supply pipe?
The check valve belongs to an automatic valve, whose main function is to prevent the backflow of medium, prevent the reverse of pump and drive motor, and release the container medium.
Q:What kind of valve does the check valve belong to?
1. check valves are automatic valves;2., if the valve is cast iron, can be cast iron valves; if the valve is cast steel, can be cast steel valves; of course, can also beIn copper valves, stainless steel valves,,,,,,,3., if used in steam, can belong to the steam valve
Q:What are the brands of check valves?
The check valve belongs to an automatic valve, whose main function is to prevent the backflow of medium, prevent the reverse of pump and drive motor, and release the container medium.
Q:Use of fire pump adapter even before you install a check valve
Multifunctional pump combination device usually comes with safety valves and check valves, usually in the flange pipe interface or who is interface settings simple check valve, safety valve is white, but does not apply to the north, the northern cold, need to separate the pipes below plus a check valve, a higher temperature of the South may be suitable for direct use of non frozen.
Q:Is the check valve a check valve? What is its main purpose?
Check valve, also known as one-way valve or check valve, its role is to prevent the medium back in the pipeline.
Q:Does the Vatti range hood e601a2z have check valves?
As long as the regular manufacturers of smoke machines must be equipped with check valves, Vatti as a well-known brand of kitchen electricity, this should not worry about you
We mainly produce various check valves (for example,single disc swing check valve,double disc swing check valve,ball check valve,lift check valve, butterfly valves,diaphragm valves ,ball valves and so on). Our products are widely used in municipal water and wastewater ,oil,chemical, food and other fields.Our entire valves are designed and manufactured according to ANSI (ASME), DIN, BS, JIS and other standard. Also, we ensure the best quality for customers, and our strict quality assurances systems are conducted throughout the entire production at the standard of ISO9001:2008 and CE.

1. Manufacturer Overview

Location Shandong,China (Mainland)
Year Established 2002
Annual Output Value US$2.5 Million - US$5 Million
Main Markets 40.00% Western Europe
10.00% Mid East
10.00% Southeast Asia
10.00% Africa
10.00% Eastern Asia
5.00% South America
5.00% Eastern Europe
5.00% Northern Europe
2.00% North America
Company Certifications ISOT19001:2000;CE

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port QingDao
Export Percentage 91% - 100%
No.of Employees in Trade Department 3-5 People
Language Spoken: English, Chinese
b)Factory Information  
Factory Size: 10,000-30,000 square meters
No. of Production Lines 9
Contract Manufacturing OEM Service Offered Design Service Offered
Product Price Range Average