Swing Check Valve Wafer Type Double Disc DN 100 mm

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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 DN  100 mm

Swing Check Valve Wafer Type Double Disc DN  100 mm

Swing Check Valve Wafer Type Double Disc DN  100 mm

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:Aortic valve replacement surgery?
if you have a tissue valve you will not need to be on coumadin the blood thinner but will need to have surgery repeated later on in life. if you have a mechanical valve placed then you will need to be on coumadin and typically it takes about a week to get your blood theraputic, then you will need to probably need to have you blood drawn weekly a few times immediately after. then it tapers down to once a month checks generally. goofd luck to you.
Q:aortic valve stenosis severe amemia hemoglobin 9.1 ?
Yes it does cause severe anemia and it is a risk factor for the development of a gastrointestinal bleeding, but patients usually lack a source of active bleeding. The stenosis can cause acquired Von Willebrand Disease by breaking down coagulation factor 8.This can happen because of the sheer force of blood across a calcified aortic valve..The patient also developes angiodysplasia of the colon. It is a condition where the fragile blood vessels stretch which results in the severe anemia from the loss of blood . Patients can have recurrent GI bleeds.With the turbulent blood flow red blood cells are mechanically damaged. Patients require supplements of vitamin k prior to surgery. After surgery this problems resolves it self..What medications are you taking now? I just read the other responses to your question, 9.1 is low and will continue to decrease because of the AS,. Given the problems associated with AS it should not be ignored just because someone saw a lower value under different circumstances. Are you being assessed for surgery on your valve? Do you see a cardiologist regulary? Did you have a echocardiogram done recently?I hope they will continue to keep a close eye on it, take care, Donna
Q:Valve replacement surgery?
A friend 65 and I , age 61, had our mitral valves replaced this year. I felt very tired at first. Barely could get up into a pickup truck. My chest felt stiff with difficulty raising my arms. I slept on a couch with 2 pillows awhile. If I laid down flat on the bed, I could not breathe comfortably. It felt so great to be able to lie down flat on the bed after about a month. I had little twinges in my chest occasionally. It has gradually gone away. After 6 months, I feel great and can do all I could do before surgery. I go to water aerobics 2 times a week and walk my dog. Many people are getting valves replaced at ages 60 and 70.
Q:trumpet valve keys !?
Unscrew the the valve cap on the appropriate under the button. attempt to softly pull the valve out. you may would desire to artwork it back and forth till it loosens up you may upload some oil around the the sting of the valve cylinder. as quickly as you have all 3 valves out sparkling each of the particles off of the valve, you ought to use an sos pad to get dissimilar the heaver stuff off. Wipe each factor off with slightly of lighter fluid and a sparkling rag. sparkling the valve bores including your snake. Stuff a rag down each hollow to get the stuff the snake loosened up. Reoil the valves and the cylinders and reassemble.
Q:GMC chevy 350 valve problem?
I never got to scan any coeds when I worked at AutoZone! There were a few colleges nearby that had plenty of them. Sounds more like you have some carbon built up around your idle air control motor, or the motor may be bad itself. It is located on the side of the throttle body. It is a small passage blocked by a small step motor that pulls away and allows more or less air past the throttle blade, thereby regulating the idle. Throttle position sensor can cause similar problems. Clean the motor and air passage, and test.
Q:vw aircooled valve seat?
In most cases it can be repaired. You just need to find a machinist who knows what he is doing. Call some local VW shops and ask who they use.
Q:What is a foot and check valve what's the difference between the two?
A check valve is a mechanical device, a valve, that normally allows fluid or gas to flow through it in only one direction. A double check valve is often used as a backflow prevention device to keep potentially contaminated water from siphoning back into municipal water supply lines A foot valve is for use as inlet of suction pipe. A modified check valve that has a screen on the suction end to prevent debris from entering the pump or pipe. IIt protects against loss of prime, aids in priming the pump and protects the pump from large debris.
Q:what type valves used mostly in pneumatic system?
It depends on what sort of system you are operating. Most butterfly valves leak, a few don't. Ball valves are instant operation, and don't normally leak. Needle valves are used for fine control of the flow rate. Gate valves are quick to operate, and don't normally leak. On aircraft pneumatic systems, butterfly valves are common, where a leak is permissable. Where no leak is permissable, slide valves are used, which have rubber seals.
Q:Can vacuum leak come from valve cover ?
there is no vacuum in the valve cover. the vacuum is in the intake the valve cover is leaking oil. the valve cover covers the rocker arms.
Q:Inhaling smoke from valve oil?
Valve oil is basically just mineral oil and various other ingredients. You can buy pure oil, and it's also the main ingredient in baby oil and other medicines. Nothing wrong with burning it.

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