Swing Check Valve Wafer Type Double Disc PN 1.6 Mpa

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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 PN 1.6 Mpa

Swing Check Valve Wafer Type Double Disc PN 1.6 Mpa

Swing Check Valve Wafer Type Double Disc PN 1.6 Mpa

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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Q:The pressure relief valve leaks on my electric water heater...?
Same thing happened to me, but with an oil boiler. Shut off power to water heater. Find the drain valve on bottom of unit, attach hose if it has a fitting. If you have an open sump pump in you basement, just drain into there, or you can fill buckets and keep emptying them. Use a pipe wrench to take of pressure relief valve. Take the valve to a good hardware store, or plumbing supply place so they can match it. Put teflon tape on threads of new valve (thats all i used, no leaks) and install then refill tank, you may have to manually hold down the water feed line. turn on power, and open all faucets to bleed out the air.
Q:Loose Valves... What Do They Cause By Being Loose?
Loose valves don't actually cause any major problems or damage. The only loss is power and economy. A tight valve is what you don't want. A loose valve opens later and closes earlier than it should, so less air/fuel is getting into the cylinder. A tight valve can burn up because it may never actually 'close'. You won't hurt anything by continuing to ride the bike, but there is absolutely no reason why you should continue to ride the bike without getting the valves adjusted.
Q:How to modify 1986 YZ 125 Power valve?
The power valve is the little metal flap that cover up part of the exhaust port while the engine is operating at low and mid RPM ranges. If you have bored the cylinder and the power valve is protruding into the cylinder, then you'll have to machine off the power valve or use a die grinder (dremel tool) to provide additional clearance. EDIT - If you're ordering the piston that is .040 oversize, then the power valve has to be modified. If you're ordering the .030 or smaller oversize, or the stock size, then no modification is needed.
Q:Two PVC valves?
Leave the breather in, you need the freshair to enter the crankcase. Esentially think of the breather a the entrance for the air then it goes through the crankcase and up the other valve cover back into the intake/carb with all the oil vapors. If you wanted to run a closed system could put a line from the valve cover with the breather to the air cleaner.
Q:Is there clearance on the valve guides ?
difficult factor. query on to search engines like google. that will can assist!
Q:Kitchen valve stem seems to be stripped?
pull off the handle and try and turn it with channel locks or pliers, and remove the aerator screen and clean it. its very common for them to get plugged up after you turn off the shutoff valves and reopen.
Q:Is a EGR valve needed on a Pontiac Bonneville 3.8 liter?
If you live in a County that requires emission tests, most likely your car will not pass the inspection. I would have it change it is good for the environment as well as making your car more efficient.
Q:2001 honda accord EGR valve clogged?
The V6 EGR valve was a big problem in those years, but a clogged one would not cause your problems. The EGR tubes regularly clogged with carbon and caused the Check Engine light to come on because there was no EGR flow. Your problem could be caused by a hung open EGR but that's unlikely as well as the Check Engine light would also be on if the valve is open all the time. Need more information on what the conditions are under which the car is not starting. need to know what you mean by problems starting up when warm. Does it happen all the time? What is warm? how long is the car driven for to get it warm; how long does the car sit before you try to restart it? what happens when you try to restart it? What is the fuel level in the gas tank? What are the outside conditions--temperature and humidity? What is the maintenance history on the car? how many miles are on the car? any answers and information you can provide will help narrow down the possibilities. Right now, its just guessing. hope that helps
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