Wafer Dual Plate Check Valve

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China Main Port
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TT or LC
Min Order Qty:
50 Pieces pc
Supply Capability:
5000 Pieces Per Month pc/month

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Product Description:

Specification of Wafer Dual Plate Check Valve


1. Design and Manufacture: API 6D

2. Face to Face: ANSI B16.1

3. Flange End: ANSI B16.5

4. Inspection and test: API 598


1 Body: Ductile iron, Cast Iron, Stainless Steel etc.

2 Disc: Ductile iron, Carbon Steel, Stainless Steel etc.

3 Stem: SS416

4 Seat: EPDM, VITON, NBR etc.

5 Working Temperature:-10-120 degree

6 Medium: Fresh Water, Sewage, Sea Water, Air, Vapour, Acid, Alkalis and so on. 

Usage of Wafer Dual Plate Check Valve

Wafer Dual Plate Check Valve is used in pure line and drain line in many professions such as industry, environment protection, water treatment, high-rise building etc. The check valve is wafer-style, butterfly plate is composed of two semi-circle plates, can be reset by force of spring. The sealing face can be made from ontology surfacing wear-resistant material and rubber bush. This material is widely used, excellent sealing effect.


Packaging & Delivery

Packaging Details :

Single valve is packed with foam plastic bag. A shipment of valves are packed with plywood case.

Delivery Details:

10 days after receiving your payment



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Q:What about boiler non-return valve without return?
There are two reasons: 1 pipe dirty, need to clean up.2 pressure difference between the two sides of the valve, see the pressure on both sides is how much?
Q:Is it necessary to install a check valve for household well pumping?
The filter screen is arranged at the water inlet check valve and is installed below the water pump
Q:The check valve for the printer doesn't have any air in it, but it doesn't come out. It still doesn't work
Just change the CISS, change after dozens of photos. There is air in the pipe, the printing document is half a page, and then a check valve is installed. After it is finished, there is no air in the pipe, but it can not be played. The nozzle is not out of water any more. The ink in the ink box is full.When the check valve is installed, you can print the test paper color is correct, but the document is a piece of white paper. No more printing later. Say at least one cartridge problem. Where does the check valve open? No, there's a switchChasing the answerNot quite clear, you change the model, the general print cartridge does not leak, the ink box for the gas hole to open, hose without bubbles, you can print normally.
Q:Check valve is 150, why not put 150 of the smoke pipe?
DN150 check valve, it is possible that the internal path is less than the required value of 5mm-10mm. Therefore, the 150 outer diameter of the smoke pipe is not up.
Q:Fire hood fire check valve okay?
1, the new product role2, the role of soot exhauster smoke exhaust fumes sent to the public flue gas pipeline, with the smoke fumes from the flue gas flow into the room to ensure that the quality of the domestic air environment, home health3, fire valve temperature control device and block check plate up to prevent the flame through public exhaust pipe series.4, the specific selection to check, see products through fire products, testing, assessment, no certificate, and price
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 does the H/F/P stand for in the check valve H41H/H41F/H41P?
The first H represents the check valve, the 4 represents the flange, and the 1 represents the lift type, and the second H represents the seat seal surface. The material is alloy steel or stainless steel. The P H41P said seating for boron steel
Q:Does the check valve of the flue of the range hood work?
The picture of the check valve of the flue of the range hood is as follows:In addition there is a full sealed flue check valve or smoke exhaust hood treasure is installed in public on the flue pipe valve, exhaust valve to open the hood, hood stop valve is closed, the current Taobao sold this kind of sealed check valve is more, we also evaluated very high. Pictures are as follows:
Q:Installation position of household water meter check valve
Domestic water meter without the need to install check valve.
Q:Are check and check valves the same kind of thing?
The same thing is not the same as it is
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