Swing Check Valve Wafer Type Double Disc DN 400 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 jsut got my valve cover replaced on my car what does that do?
- Usually only the valve cover gasket needs to be replaced (unless you somehow damaged the valve cover itself). It does just what it says. It is the metal(2) located on the top of you engine that covers the valves. It needs to be replaced when the seals are allowing oil to come out.
- Q:what is meant by inherent characteristic for the steam control valve??
- There are different type of valves, (ball, gate, globe, needle, diaphram) each have their own characteristics in how they operate and the effect they have on flow. Inherent characteristic would be an effect that valve has on the fluid flowing through it.(steam can also be considered a fluid ) An example is a globe valve used to throttle a flow does so by adjusting the size of its opening. In essense its a variable orifice. Flow through an orifice results in a pressure drop across that orifice. So, an inherent characteristic of a globe valve is a pressure drop.
- Q:Okay, so when I was little, I had heart surgeyue to a congentital heart defect and I now have a leeky valve, on my aortic valve and i was wondering if it didnt go away would I need to get heart surgery? Or would it need to get bigger?Will it only get bigger or will it alwayse same? If I need heart surgery how long would that be??? have had it since 3rd or 4th grade and I am now in 8th grade. I am just wondering...
- as the doctor said, Could be many issues eventually something will need to be done without the big words ... your Aortic Valve is the MOST important valve in your Body because all the oxygenated Blood that flows From your lungs to each cell passes through the Aortic valve into the aorta and to each cell... More then Likely at some point in your life, the Valve will most likely need repair or replacement.... The good news is... that these are being done quite Normally now in Most Large Hospitals these Days... something to consider if you live in extreme rural places... I would mention that You should have a baseline idea of what is normal exertion for you, and at any point, you begin to feel breathlessness, tireness (above beyond normal) Chest Pain .... Do YOu Have chest pain Now, which is normal then anything above and beyond that should be something you should go to a doctor or even a real hopsital... so with that being said how are you feeling? what sorts of exercise do you typically do? play any sports ? gym? ride a bike? text ?lol point is if things change dont ignore it get to the doctor right away.. if you dont have a doc yet , how about a hospital?
- Q:The pump is working fine on the presta valve on my back tire, but it is not working on the other presta valve. It seems like the the presta valve isn't sticking out far enough out of the tube for the pump to be able to lock in on it. What could be causing this?
- The valve stem is too short. Tubes that have presta valve stems also come in different valve lengths. You need a 40 or 60 mm valve stem or a valve stem extender.
- Q:1990 Pontiac Sunbird, I took a piece of hose going to the egr valve to try and see if it is working properly, but with car off, I can suck through, and blow out into hose going to egr valve, and it doesn't seem like there's any seal stopping air flow either way...is it supposed to, or what is this supposed to do?
- The okorder /
- Q:i believe it's to do something to the valve guide to make it the right clearance n not go straight to the valve seat right? or is valve seat next?
- Once the valve guide is installed, it has to be reamed to fit the valve stem. After it has been reamed to fit the valve stem, the new valve needs to be seated in. (The valve seat should have already been done by this point) This can be done with a machine tool, or it can be ground in by hand with valve grinding compound. Once this is accomplished, the valve is removed, everything is cleaned thoroughly, and the valve is reinstalled with the spring and keeper. Normally you would do all the operations to all the valves at the same time. (That is, you don't grind in one valve, then go back and ream another valve stem. You do all the operations required at one time. So you would install all the valve guides, then ream them all, then grind or face the valve seats, then check the valve contact area, then remove all the valves, clean the head and valves up, and then reasemble into a completed head unit.)
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- The leading maker of solenoid valves is ASCO. Their website is shown below. If a valve that fits your application exists they probably make one. If you can't find a suitable solenoid then you need to consider a pneumatic valve operated by a solenoid valve. That is a common solution for a problem like yours. As to the male connections. If they are not available then you can just use a pair of threaded fittings (pipe nipples) to change the configuration.
- Q:I have presta valves on my mountain bike now and only Presta valves can fit through the hole in the rim where the valve goes. If i want to start using Shrader valve tubes, because they are way more common and i can get them at Walmart, is it ok if i bore out the hole in my rim in order to get the Shrader valve to fit
- Your tube probably has a Schrader valve, like a automobile tire. You can get these in the auto department of most stores and of course at auto parts stores. You might pickup a little dirt. Look at the valve to see if it's dirty. If so, press the center of the valve with a small object (small screwdriver maybe). This will blast the dirt out with air from the tube. Of course, you will then need to pump up the tire a little. If the valve gets dirty and you simply pump air in when the tire is soft or flat, you may force dirt into the valve which could cause the valve to leak. Schrader valves are replaceable. You can get these (and the tool to remove them) at an auto parts store.
- Q:why can't i just use solenoid valves hooked to a small bank of relays(using relay logic to control operation) connected to thermostats to control a multi zone boiler system? it would work, but can i do it, why must i use expensive zone valves?
- Its just an educated guess but I would say it would cause system shock if a valve just snapped shut as against closing gently. Assuming the system was shutting down as a zone valve shuts the control switch opens and turns off the plant whilst the valve is still partly open. With a solenoid unless you fit a timer to pre shut off the plant then shut off the solenoid you would probably cause some plant damage. Also by the time you have wired all that lot up you may as well do the job with a zone valve.
- Q:I have an '03 vw jetta and don't know if I should get a greddy blow off valve or an injen cold air intake? Any suggestions? I don't know a lot about either, what is the difference between them?
- a cold air intake will produce more hp and tourque while a bov will help release back pressure on a turbocharged vehicle. ive got a 1.8l turbo and i went with a cold air intake. then again i was going for more hp. also the bov will produce an awsome release of air into the atmosphere. then again if you get the air intake like i did you will hear the wastegate on your turbo make that same noise. and trust me itll make some ppl think you got major hp under the hood. so if you want the hp and the sound get the intake if you want the sound but are satisfied with the hp get the bov. intake will also help mpg's to.
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Swing Check Valve Wafer Type Double Disc DN 400 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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