Swing Check Valve Wafer Type Double Disc Body Material WCB

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Products Description of Swing Check Valve

Check valves are used in pipes under pressures between PN1.6~16.0MPa(Class150~2500Lb), working temperatures-196~600, They are used in industries include oil, chemistry, pharmaceutical, fertilizer, and power gene-ration to prevent the backward flux of the media.

The main structure features of Swing Check Valve:

1The products feature a reasonable structure, reliable seal, good performance and nice modeling.
Either soft or hard seal can be selected for the product upon different working conditions.The sealing face is built up with Co-based 
carbide alloy, leaving a better wearability, corrosion and scrap resistance and a longer duration.
Small opening pressure, the disc can be opened fully with a very small pressure differential.
Inside-set bolt-bearing structure reduces leakage and reliable use.
PN≥16.0Mpa (class1500), the middle cavity uses a self-tightening sealing structure to have the sealing performance reinforced along 
with the pressure rise so as to ensure the sealing performance.
Different parts materials and different sizes for flange, butt-welding are available for sensible combination according to different working facts and customers' requirements.

Parameter of Swing Check Valve:

Standard Criteria

 GB customize 

Pressure Rating

 1 Mpa  1.6 Mpa  2.5   Mpa  4 Mpa  6.4 Mpa  10 Mpa  16   Mpa customize 

Valve Size

 50 mm  65 mm  80   mm  100 mm  125 mm  150 mm  200   mm  250 mm 300 mm  350 mm  400   mm  450 mm  500 mm  600 mm customi


 Automatic customize 


 Wafer customize 


 Oil  Steam  Water customize   

Medium Temperature

 -196~600 customize   

Structural style

 Swing double-clack   structure customize 

Application Fields

 Agriculture  Electricity  Medical  Petrochemical customize   

1-Body Material

 CF3  CF8C  CF8  WCB  CF8M  CF3M customize   


 CF3  CF3M  WCB  CF8  CF8M  CF8C customize   


 1Cr13  1Cr18Ni9Ti  0Cr18Ni12Mo2Ti  2Cr13 customize   


 60Si2Mn  1Cr18Ni9Ti  4Cr13  0Cr18Ni12Mo2Ti customize   

Design Standard

 GB/T 12224 customize 

Connection Standard

 GB/T 9113  HG   20592  JB/T 79 customize 

Test Standard

 JB/T 9092-1999 customize 

Face to Face

 GB/T 15188.2-1994 customize 

Images of Swing Check Valve:

Swing Check Valve Wafer Type Double Disc Body Material  WCB

Swing Check Valve Wafer Type Double Disc Body Material  WCB

Swing Check Valve Wafer Type Double Disc Body Material  WCB

FAQ of Swing Check Valve:

Q1:I can’t find the type of steel check valve which I need. what can I do?

The chart above only lists out some common composition of steel check valve parts.We may provide other different parts material composition according to the customer's request or the actual valve working condition.

Q2:Which certification do your products pass?

  Our products are in accordance with ISO 9001ISO 14001API 6AAPI 6DTS CEAPI607/6FA/BS6755.

Q3:How can I place an order?

  The only one thing you should do is to tell us the sepecification about type quantity and  mode of transportation, then we will send you quotation within 24 hours.

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My valves have had many issues over the past few years. Your problem is either 1. horn is dirty 2. there is a tiny dent (even 1/2mm is enough to stop the valve, happened to me last month). If your horn is dirty, there are plenty of youtube videos on how; it generally involves using water and rising all the gunk out. You could also have too much oil buildup. If there is a dent, don't even try to repair it yourself--it is waaaaay to hard, and you'll ruin the instrument even more. Take it to the store; it should only cost $20-30. I suggest you clean the trumpet first and then try to get it fixed if it is not good.
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Replace it there fairly cheap.Usally all you need is a wrench an pipe thread tape and a new shut off valve.probably less than 20 bucks total.Just turn off the water an flush the toilet.Place a pot under the connection so it will catch any remaining water as you loosen the connection.There are 2 large nuts at each end of the shut off valve.Turn them conter clockwise to loosen an clockwise to tighten.Wrap the threads with pipe thread tape on both ends before installing the new shut off.Its probably one of the easiest do it yourself plumbing jobs there is.Once you have the new shut off installed an tightened turn the water back on an check for leaks.If it is leaking you may have to tighten your connection a little more.Good luck,I hope this helps.
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Hum...it depends how bad your leakage is. If it causes too much blood to flow in the wrong direction it could cause an enlarged heart. What lead up to you having an echocardiogram? My son has has epstines malformation of the tricuspid valve and it caused leakage. It depends on the level of the leakage. It can be a big issue but obviously your leakages are small and nothing to be concerned with? I would def. call him and get some clarification....
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== it is correct that when the valve is opened without being attached to the BBQ machine it will spew propane gas into the air .... the tank is fine and you noticed the foul odor to the gas and that is put into the gas so you can detect that there might b
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I am assuming you want to replace the EGR valve because you are getting an insufficient EGR flow trouble code. Before you replace a perfectly good valve with an inferior aftermarket part that will likely fix nothing, a little more diagnosis is in order. If you have access to a scan tool and a vacuum gauge, perform a KOER (key on engine running) test on the engine with the vacuum gauge connected to the hose to the EGR valve. When self-test reaches the EGR test, look for the vacuum guage to move during the self test. If it moves, the vacuum source and EGR solenoid are good. If not, trace the vacuum harness for leaks. Without the scanner and vacuum gauge, find a length of hose and suck on the hose, or connect to other vacuum source to test the valve. You are looking for an RPM drop at idle when you open the valve in this way. I suspect your problem is a passageway clogged with carbon. Remove the valve and throttle body to access the clogged areas and manually decarbonize. This is the most common reason for an insufficient EGR flow on a Lincoln, along with a faulty DPFE sensor or related hoses. My money is on the clogged passages or the bad DPFE sensor.
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Hello, The EGR valve will not spray oil, It is an exhaust gas recirculation valve that does not have oil get to it!! Please add more info so we can better answer your question . Thanks for additional info. But I don't think you know what the EGR valve is. Engine oil should not be spraying from the EGR valve ! Maybe you are trying to describe another part? Also, You need to fix the wheel cylinder or caliper before you can bleed the brakes. Maybe you need a mechanic to assist you. Good luck !

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