Stainless Steel Wafer Type Check Valve

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Specifications

Stainless steel check valve

PN10/16/25
DN100 ~ DN2000

Technical Specifications

- Design and manufacture: EN593, EN1074-1 and 2

- Face to face dimension: EN558-1 Series 14 (DIN3202 F4)

EN558-1 Series 13 (BS5163)

- Flange dimensions and drillling: EN1092-2 PN10/16/25

- Size range: DN100 - DN2000

- Max. working pressure: 1.0/1.6/2.5 MPa

- Inspection test: EN12266

- Working temperature: -15°C to +80°C

- Suitable medium: water

Main Fetures

- Double eccentric disc reduces seal wear and torque

- Body seat ring is welded directly on the body

- Bi-directional flow and low head loss

- Disc sealing ring to be replaceable on pipeline without dismantling the valve

- Body and disc inside and outside epoxy powder coated (min. 250 microns)

- Opening and closing indicators are provided

- Coupling flange for electric actuator in compliance with ISO5211

- Gearbox and electric actuator operation available

Main Parts and Materials

Body and disc: ductile iron EN GJS500-7/400-15

Shafts: stainless steel AISI 420

Body seat ring: stainless steel AISI 304

Disc sealing ring: EPDM or NBR

Retaining ring: stainless steel or ductile iron

Shaft bearing: Du bushes (self lubricating bushes)

Shaft bush: gunmetal

Q:A friend of mine who is 26, was just told by her doctor that she has aenlarged heart valve. Is this really serious? Will she need surgery? Why can't I find any info on the internet? Please help I'm really worried. Thanks: there are two valves in the heart, a bicuspid valve (two flaps) and a tricuspid valve (three flaps). A valve serves to prevent the back flow of blood in the heart, keeps it all flowing in one direction. An enlarged or incompetent valve would obviously be unable to do it's work properly. How serious the issue is depends entirely on the extent of enlargement. Enlargement is usually a result of uncontrolled blood pressure issues, but can also be genetic. As she is seeing a doctor about this, suggest that you let the doctor worry about it.

Q:i wanted to know what is the actual difference between check valve (non return valve) and globe valve?: Check valves are designed to prevent back flow. A globe valve is used when the ability to throttle and control the flow is desired. The globe valve can be positioned at anywhere from 1% to 100% flow. This allows for very precise control over how much liquid will be allowed to flow through the valve. There is another type of valve called a gate valve. The gate valve can not be positioned with such precision as the globe valve and it is used when flow rate is not as important.

Q:Valves regarding WC's: David, tercir is wrong. A flush valve is THE valve inside of a toilet tank that allows water to refill the tank when you flush your toilet. That flush valve has a float on it so when the tank refills to a certain point, the float shuts the water off. A flapper valve merely HOLDS the water in the tank until you flush the toilet. The flapper valve is the thing on the bottom (inside) of your tank that covers the water outlet. When you flush your toilet, that flapper raises the water that is currently inside of your tank, is what refills your toilet bowl when THAT water goes down into your sewer system. OK?

Q:Hello, I went to my garage last friday because my exhaust emmisions light was on, on my Bora MK4 2003 52 plate 1.6 16V. They said its a faulty EGR valve which could be from being clogged up with sh*t. But they said it would be fine to drive, and that the rough idle wouldn't harm the car, and to unplug it if the rough idle became annoying. Its now sunday 3 days since the garage diagnosed it I drove about 250 miles over these days. With the exhaust emissions light coming on then sometimes going off. I think the EGR Valve keeps sticking closed and the engine is very hard to start. Is there anything I can do to help start the car? which is better having it plugged in or unplugged? how do you take the EGR Valve out and clean it what tools are needed is it complicated. any ideas on how I can help it start ? I've tried unplugging it, it makes no difference really.: EGR stands for Exhaust Gas Recirculation, and is not really good for a car. It causes deposits on the back of the valves, and ruins the valve guides. If the EGR sticks, it also won't let the engine start or have maximum power. Unplugging it, and plugging up the vacuum hose, will prevent it from opening if it is closed, but will not close it if stuck open already. What you need to do then is to remove and clean it will chemicals or wire brush, until if closes again. You can also plug it off with a plate underneath it. The only time you ever need EGR is if you have a high compression engine that would have pre-ignition without the EGR being used to poison the mixture and prevent pre-ignition. But if you run premium gas, then you should not need an EGR at all, and you should consider removing and plugging it.

Q:im 16 and im rly scared i have already been checked out by the hospital and they sed that i have a moderately leaky heart valve. They recommended me to see a childrens cardiologist since they dont specialize in children. i have to get another echo and some other tests done i think. im so nervous. whats going to happen to me??: You'll probably have more tests done to see if you really have a leaky heart valve. It depends on which valve it is and what the cause is. The most common cause is to have a bicuspid aortic valve (two valve leaflets instead of 3). That can cause long term problems, so that is corrected by surgery to replace your aortic valve. Once that happens, you'll be fine. I'm not sure what you have, though, so there's no way to know for sure what your problem is. In general all leaky valves need to be replaced surgically if they're leaky enough b/c they eventually cause the heart to stop pumping well and lead to heart failure. The most common thing is what I mentioned, though. There's always a chance that your test was incorrect. Good luck to you.

Q:My mother is 40 and is going in on the 21st for an aeortioc valve replacement. We are so stress on deciding between what type of valve she should have to get. please help. please include things like costs and medicines and anything else that will give us more info.: This is definitely a question for your cardiologist. I can tell you that mechanical valves will require a higher INR and they will have more problems with bleeding. A tissue valve won't last as long as mechanical, and may have to be replaced sooner.

Q:1995 Firebird - with digital EGR valve, I think when the engine is at idle, it would be closed, I think.Anyway, this EGR valve has 3 holes that open up whenever.I noticed that the plastic housing on them is melting a little, which probably isn't anything.but I felt around it, and I feel a little air coming out, not from the gasket part, but maybe it has a leak in one of those solnoids somewhere.My cars been idling really ruff, do you think a leak in that would cause it to idle ruff?when I drive, it's fine, runs smooth, but stopping it idles ruff.I just bought that EGR valve 2 years ago, I don't know why it would melt.: Take the EGR valve off and see if it is internally caked with carbon. Also look at the ports it lines up to on the plenum and see if they are also clogged with carbon. If they are, remove the air intake tube from the throttle body and open the throttle plate. See if the intake plenum is also clogged with carbon. If so, and I think it is, you will need to get yourself a cumbustion chamber cleaning. Those 90s GM cars were bad for this. This will make it idle rough, and also lack as much power as it should have.

Q:Can I make a heat pump straight A/C ?Or some hints how to replace the reversing valve without reclaiming freon: it depends on the unit but you can run it without the heat pump..somtimes its the solenoid and not the actual valve body that can be replaced without recharging.check the current to the valve first.

Q:What is the functional difference between the following:1. Blow Off Valve2. Dump Valve3. Bypass Valve4. Diverter Valve: My Dive save gave me the prospect to aim on the I3 interior the pool. Any sturdy dive save could. that's high priced kit which you will have for an prolonged time. It needs to in good condition authentic and paintings for you. besides, cooperative dive shops benefit a lot greater in a satisfied customer than they lose by applying letting you are trying on the BCD. I for you may t walk right into a dive save with out popping out with greater kit. LOL

Q:I have a Chevy Silverado 2500 5.7L V8. I have been having problems with passing smog. First one failed because it needed a new cat. Replaced it and tested again. NOx emissions are off the chart (1450/1006 max of 992/59615/25mph). I replaced the EGR valve based on a suggestion. Quick test today said the NOx emissions are still way off. Suggested that I change the EGR solenoid valve and also pull the EGR valve and use a coat hanger to clean some of the carbon build up. I purchased a new solenoid today but looking at it I noticed something. Since there are what are appear to be two ports on one side of the solenoid, I must have replaced the vacuum hose onto the wrong one after replacing the EGR valve. How much would this make a difference on the test readings taken? Would it be beneficial to just replace the solenoid anyway or try to test again with the current one but connected properly?: if the spark plugs are bad the oxygen sensor with sense the exhaust is not hot enough and the computer with allow the injectors to let more gas in thinking that since theres no fire it needs more gas causing it to run like its flooding and exhaust readings will be high. make sure the air filters clean

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