Swing Check Valve Wafer Type Double Disc DN 500 mm

Ref Price:
Loading Port:
Payment Terms:
Min Order Qty:
10 pc
Supply Capability:
100 pc/month

OKorder Service Pledge

Quality Product

Order On-line Tracking

Timely Delivery

OKorder Service Pledge

Credit Rating

Credit Services

Credit Purchasing

Share to:

Product Description:

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   500 mm

Swing Check Valve Wafer Type Double Disc DN   500 mm

Swing Check Valve Wafer Type Double Disc DN   500 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.

Send a message to us:

Remaining: 4000 characters

- Self introduction

- Required specifications

- Inquire about price/MOQ

Q:where is heater control valve on toyota corolla?
standing okorder.com/ sign up and post in the 8th gen corolla forum. great ppl. been a member for years.
Q:Swap valve covers on Honda?
maybe you can get the cover at your local junk yard. Check and ask around. Since Hondas are so abundant, someone is bound to have it. If not, you can always go to the Honda Dealer. They'll order it in for you the next day. It might be more expensive but it'll be new and they'll be sure to have it. You might also want to check the fit to make sure they're compatable. :)
Q:how man cups does the miteral valve have.....?
Mitral valve has two cusps. The blood flows from the lungs, where it is oxygenated, into the left atrium then through the mitral valve into the left ventricle. From here it flows through the aortic valve to the rest of the body. Two cusps, oxygenated blood.
Q:Mayo Clinic in Rochester Minnesota and Mitral Valve Prolapse?
hi Sporad I had a mitral valve replacement 4 years ago and I'm alive. Ive been taking beta blockers for 6 years and they work a bit there is one blue tablet that works very well at slowing down hart rates but Dr's don't want to prescribe it till your on your on the way to the knife. When you come out of the op they will be giving you pannadol every 4 hours so be prepared to take lot's of them as no other pain killer performs the job. Start coughing in post op and don't stop you have to cough your lungs back up onto your rib cage. Get out of bed and exercise you lungs the post op hart ward is not the place to get better. Once you have your new valve or your old ones been fixed up you are ready to go. The stitches don't come out your blood flow has been restored its back to being great. The bad days are really bad at the start and then they get less bad unless you have a really bad day. Just remember they don't just give these things to people who don't need them. If you need one your getting a new chance to live. The team of people who put new Mitral Valves in are not just standing around waiting for handouts they are do it once fix it up people. They wont be doing it again for a long time. It costs heaps of money so relax ha ha and make sure your not taking any blood thinning meds just before your op even rub on cream and eye drops check it all with your Doctor. Because they can cause big problems in the surgery. Ask for a baked carbon valve and join me in the carbonvalvers group. I had mine done at the Royal Melbourne,however the MAYO clinic is not a back street job so book in quick. I know you want to time to relax and think things over and there will be plenty of time for that when your walking up and down the wards. ohno not the white tube. All the best Alan
Q:what is engine valve timining ?
The valve's are in the head or head's and they need to be lined up with your crankshaft in order for the engine to be in time , if they was'nt in time with the crank they would hit at the wrong time and your engine would be junk.
Q:sprinkler valve leaking water?
The water hammer is due to the sudden closure of the control valve. They don't turn off slowly. The sudden shutoff of the valve causes the inertia of the water to slam against the end of the sprinkler pipe. You can device from a well stocked hardware store to place in you water line to reduce or eliminate the hammer. As for the leaking problem, I disassembled the control valve and found the diaphragm out of position. On mine, there is a very, very small key on the diaphragm that aligns it with the case. Also check for debris in the solenoid valve seat and anywhere else in the valve. I can't address commercial vs residential valves other than if the valves are brass, they are more durable.
Q:Trumpet valves sticking help?
Check that you are not putting sideways pressure on your valves when you press them downwards. Even on a good horn this sideways pressure can cause friction between the piston and the valve casing. Avoid this by arching your fingers a little, depressing with your finger's tips, and avoid the pinkie finger ring entirely. Tying your pinkie up in that only restricts your 3rd. finger's freedom of straight downward movement. Over- lubricating the valves can be as bad as too little oil. Do the whole warm bath treatment that you would normally do to clean it, add 3 drops to each valve, work horn for a few minutes, wipe valves with very old (washed heaps of times) t-shirt: then finally 2 drops again. If this doesn't work, get a trumpet specialist teacher to take it home for this treatment.(You might not be bathing it right). Failing that, check my web site's repair section. Good Luck!
Q:How to remove sprinkler valve?
if the valve itself has gone bad, then you can actually replace it without haveing to remove it. richdells are now called irritrol valves. they are not that hard to replace the guts and top part of the valve. if you can find the same valve off the internet or a landscape store, just take apart the old one and replace the insides with the parts from the new valve, and replace the top piece with solenoid as well. if you cant find the same kind of valve, just dig up a nice hole and cut the pipes and replumb it. thats pretty easy too. the more room you have on the pipe to cut, the easier it will go. but richdells are now irritrols. the parts will be the same, just have a different label. ive seen the richdells last over 20 years though good luck and hope this helps
Q:if i took off the little rubber hose connected to my egr valve,and the egr has no suction?
Not sure how to answer. First the vacuum line going to your egr only has vacuum under certain conditions and never at idle. If you have an egr code/problem.... email me with code/syptom and vehicle info i'll try to help further. :)
Q:Is there a difference between the two valves in each side of the heart?
Yep - the right atrioventricular valve, also called the tricuspid, has three cusps. On the other hand, the left AV valve, also known as the mitral valve or bicuspid, has two cusps. The bicuspid can withstand more pressure than the tricuspid.

1. Manufacturer Overview

Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates

a) Certification Name  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information  
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range