Swing Check Valve Wafer Type Double Disc DN 125 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 125 mm

Swing Check Valve Wafer Type Double Disc DN 125 mm

Swing Check Valve Wafer Type Double Disc DN 125 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:how to replace a valve cover gasket on a 1998 pontiac sunfire. 2.2. engine?
First off, you remove the PCV hose and unscrew the plastic nut that retains the PCV valve. Next you remove the air intake tube from the throttle body and the air intake housing. Now locate the bracket on the side of the throttle body that contains the throttle cable. Remove the 2 bolts from this bracket and remove the cables from the throttle body. You should now be able to remove the valve cover from any obstructions. If you are not cleaning the valve cover, there is no need to remove the PCV valve. If you are cleaning it with soap and water, take the PCV out. The gasket is one piece and rubber, but you may find it a pain to keep the gasket in the groove on the valve cover, so you might try some yellow weatherstrip sealer to help hold the gasket in place. Let it dry for a little while before reinstalling the valve cover, so the gasket doesn't 'roll' out of the groove on the corners, or it will leak heavily. Good luck.
Q:What is poppet valves?
Poppet valve is the commonly used term for a standard, mushroom- shaped engine valve.Obviously, the mushroom head is part of the valve, so yes, it does move up and down with its stem.
Q:boiler bleed valve replacement?
Very easy but quite slow. Open the bleed points on the upstairs radiators and the system will fill evenly. Shut the bleeds when the water reaches them of course. If the pump is accessible loosen the big screw head on the top of it and the will bleed air from the pump. When you think the system is full and the noise of entering water stops then go around to all of the upstairs radiators and check that there is no further trapped air.
Q:any way to treat aortic stenosis besides valve replacement surgery?
Every case and every patient is different. You could opt for a valvuloplasty or management with medications.
Q:ERG valve needs cleaning?
It will be ok to drive.It recirculates exhaust gases to help reduce emissions.Typical signs of a malfunctioning egr valve are hesitation during acceleration,rough idling,and hard starting.These can also be signs of a bad evp sensor too,which is the electrical sensor that attaches to the egr valve.The egr valve is easy to clean if you wanna do it yourself and save some cash.Remove it from its mounted location,use carb cleaner to spray inside the valve to remove the carbon buildup.You should push the pintle valve in and out so you can get cleaner to the inside passages.Be careful because you don#x27;t wanna accidentally get cleaner on the diaphragm of the valve.You can also use a small wire brush or even an old toothbrush to scrape away crusty carbon buildup.Replace the gasket if it tears during removal because a torn gasket will cause a vacuum leak.You can drive the car until you get it cleaned though,without being worried that its gonna tear something up.
Q:do we have industrial globe valves with rising stem or all types of globe valves are non rising stem?
so non rising stem valves are usually used on only clean liquids long of stem is the same
Q:bad valves honda civic??
Bad rings cause excess blow by in the crankcase causing vapors (heavy) to come from the dipstick tube as well as the valve cover. I can smell the exhaust smell in the breather vapors not just oily smell. Valves mostly cause smoking out the tailpipe as oil enters the cylinder and burns. excess oil usage is common as well. A compression test will indicate bad rings as one or 2 cylinders will read much lower on the gauge. valves can be seen as bad compression as well but often show more in the leak down in the gauge. the condition you stated of the valves is from oil entering the cylinder heads and burning. this is usually valve guides.
Q:Toilet shutoff (stop) valve problem?
PEB could be top yet my journey has shown that this type of water hammer is led to with the aid of the ballcock interior the bathroom. The fill mechanism interior the unit in simple terms starts off vibrating after a whilst. try this little try; Flush the bathroom and spot if the vibration takes place while the bathroom is in finished top off mode, (waft top down, a brilliant sort of water entering the tank) - or does the vibration take place while the tank is in simple terms approximately finished, (waft is beginning as much as close off the fill mechanism). you additionally can try with the aid of pushing down on the waft ever so particularly while the tank is done - you will probable hear the vibration at that element. base line - replace the ballcock and all might desire to be properly.
Q:whats a leaking aortic valve?
It just means that one of the valves in your heart doesn't completely close. So when your heart pumps blood it doesn't do it as effectively. I have a leaky mitral valve and I have no symptoms. I just have to take antibiotics anytime I have dental work done. Bacteria from your mouth like to mess up your valves if they are already leaky. But it almost never happens. It's just a precaution. You really need to talk to your doctor about what he found. He needs to explain whether it's serious or nothing to be worried about.
Q:Is valve standard of API and ISO same?
It is hard to say generally. Each valve standard will cite other relevant standards, so it is API system and ISO system. Usually it has some differences between API and ISO valve, but it is similar. Most time the design Principal is same, the structure of valve is similar. For example , API swing check valve, it has an hanging system without bolt outside of body, but DIN swing check valve has an bolt for stem. The dimension obviously is different, API calculated by inch, but ISO usually use metric unit. Of course it can be transformed to same dimension. Below is some API standard, and ISO or DIN Standard. We are just able to discuss this topic for specific standard. For API598 and ISO 5208, in my opinion, it is a little different, but in fact, the differences is not very big, if an valve able to pass API598, usually same for ISO 5208. Same for ISO5208 to API 598.

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