Swing Check Valve Wafer Type Double Disc DN 250 mm
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- 100 pc/month
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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:
1、The products feature a reasonable structure, reliable seal, good performance and nice modeling.
2、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.
3、Small opening pressure, the disc can be opened fully with a very small pressure differential.
4、Inside-set bolt-bearing structure reduces leakage and reliable use.
5、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.
6、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 |
Actuator | Automatic customize |
Connection | Wafer customize |
Medium | 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 |
2-Disc | CF3 CF3M WCB CF8 CF8M CF8C customize |
3-Pivot | 1Cr13 1Cr18Ni9Ti 0Cr18Ni12Mo2Ti 2Cr13 customize |
4-Spring | 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:
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 9001、ISO 14001、API 6A、API 6D、TS CE、API607/6FA/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.
- Q:I think I have a bad valve steam seals because when I start the car white-grayish smoke comes out of the back of the car. When let sit for 2 or more hours start car and smoke comes out everytime. Will a valve adjusment fix the problem? Thanks
- Newer cars and trucks nowadays don't need valve adjustments because the valves automatically adjust to its specifications. However, if your car is an old one that needs the regular adjustments, the white-grayish smoke you're referring at can be traced not only to loose valve seals but can also be due to a loose or broken piston rings, a worn out cylinder walls or a detached cylinder head gasket. So do the process of elimination. First, see if it is really due to the valve seals. There's an add-to-oil additive where mixing it with your motor oil can revive old valve seals. Then apply another additive which claims that its oil molecules adhere to metal. After applying these additives and your car continues to emit the same smoke, then by all probability, your car trouble can only be corrected by mechanical repair (which involve huge repair costs) and no amount of add-to-oil additives can substitute for it.
- Q:ok im buying a kx 125 from 96 and he said the only problem with the bike is that it has a small oil leak around the power valve too me it sounds like a gasket. but i want someone elses opinion on what else it could be.
- The kx125 actually has 3 valves in the exhaust, a main, a left-hand one and a right-hand one. Each is fitted with o-rings which require disassembly in order to be reached. This would also be a good time to clean the power valves since they tend to become encrusted with carbon deposits which interfere with their normal operation.
- Q:I have a 66' malibu el camino with a 283 sbc and a powerglide transmission! I have bee noticing a ticking noise on the motor and it miss kind at a rhythm. I took the valve covers off and noticed pieces of metal right by the front of the motor on the head. It is where the #1 piston is. Some of them have kind of a rounded off shape to them. I dont see anything wrong with the springs. but its dark and i cant really see. I also noticed on the even side 2/4/6/8 some of the rocker arms are loose? Some may be loose on the odd side too. not sure, i didnt check them. I found them right where the hole is where im guessing where the oil comes in. What do yall think? It idles kind of rough and i have noticed a loss of power? do i have broken valve springs or something? Thanks for the answers!!!!
- my first guess is that are the valve keepers , little pieces of curved metal that keep the springs compressed on the valve stem. there are 2 per valve stem.. if the eng was over rev-ed, the valves can float and let go of the keepers. one keeper could stay in place and still hold the valve. if this is the case , you could drop a valve at any time and hole a piston. or it could be the end of one of the springs. or even a broken valve guide .From what you said and the eng missing on one cylinder i would be reluctant to run the eng until you found out. or the rounded shape could be the top of a push rod that is broken off , they are dome shaped. You can look at the keepers and the push rods by loosening the rockers so you can turn them aside to view the keepers . at the top of the valve stem to make sure they are all in place. as well a look at the push rods. So loosen all the rockers and see what you find. if you need more info about how it all works . you can find videos on youtube . like how to adjust valves on V 8 eng and how to replace Valve springs push rod replace rocker arms stuff like that and you find videos that will show you the keepers , valve guides etc. you can looosen the and remove the rocker arms without anything coming apart , so you dont have to worry about that. i guess we know what you will be doing this weekend , haha
- Q:does it moves up and down with the valve stem??
- A poppet valve is a valve consisting of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The shaft guides the plug portion by sliding through a valve.. not sure if you are talking about tire valve stems? if so the poppet valve moves within the valve stem. I have also heard them referred to as Schrader valves see link
- Q:Can anyone tell me what to do if i know that I have the type of valve stem that was recalled TR413chrome?? Will they replace them for free since they are a recall or do I have to dish out some more $$ to fix the problem??? The company that sold them to me is in Florida (Wheelmax) and I am in Mass. Not sure what to do to avoid having to pay out more $$ to have them replaced...any help is greatly appreciated
- well really they should dont see the big deal they are like a buck each... and will take ten minutes to fix.. at any shop some places might cost you 10 to 20 bucks.. and yes if there is a recall on valve stems im sure they would redo them for free... . ive never heard of one been doing tires over 20 yrs.... rubbber gets old and dry about as fast as the tires wear out
- Q:i hav no clue wat it is or what it does, but i was goin to buy an 08 mitsubishi lancer but then i read that the valve guides in mitsubishi engines wear out really fast and it causes some problems.what kinds of problems?how will this effect the car?Should i go ahead and buy the car?
- will burn oil, needs replaced and valves resetted in the heads. the heads will need to be removed and taken to a machine shop for this.
- Q:My brother is 32 years old.He has an enlarged heart ,a murmur,high blood pressure and heart regurgitation.He may be having the valve replacement surgery.I was wondering if anyone has had these things wrong with them and had the valve surgery and did well afterwards.Any information would be very much appreciated.
- Which valve is getting replaced (there are 4 in the heart)? Will he be getting a man made one (which will require life long blood thinners but are also very durable) or a pig valve (no need for blood thinners but won't last as long) ? Many people get valve replacements and it makes them feel wonderful afterwards.... make sure you find out about exactly the surgery he's having so you know... but I'm sure he'll be fine.
- Q:I was told my 1995 chevy needs an idle air control valve. I know my idle is getting rougher so I may need this. What is the function of this valve and what would happen if I don't get it? Will a new valve smooth my idle? Anyone know if this valve is hard to install or not?
- Iac Valve Function
- Q:how long do people usually live after mitral valve repair?
- Very basically: The procedure is open heart and entails a complex system of sustaining life outside your body. The complications can vary. If you get a mechanical valve placed, your risk of embolus increases. Emboli can cause strokes and/or a fatal episode. However, once one recovers from either surgery (typically a short stint in the ICU but varying by the individual) the quality of life improves to better than pre-op. The need for a replacement may arise down the line. Barring any blood clots or infections, a MVP repair/replacement surgery does not by itself indicate anything about how long a patient survives post-op. A repair surgery tends to yield fewer long-term complications simply because no foreign tissue or synthetic material was introduced into one's system and the whole procedure is significantly lower risk in terms of infection. The risk of failure of a repaired valve is significantly lower than that of a replaced valve. Lots of variables influence the outcome though, and if this is a personal matter, I strongly suggest you speak candidly with your cardiologist. Bottom line: Repair surgery is generally safer and can allow the patient to live life fully.
- Q:Anyone know where the pcv valve is located on a 2000 Lincoln Ls V6 3.0
- find the valve covers and it's on one of them, it plugs into the valve cover and has a hose running to it, take it out and shake it and you should hear a ball bearing rattling noise if it's good.
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Swing Check Valve Wafer Type Double Disc DN 250 mm
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 pc
- Supply Capability:
- 100 pc/month
OKorder Service Pledge
OKorder Financial Service
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