Butterfly Valve DN300 Turbine Type with Hand wheel BS4531
- Ref Price:
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- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 set
- Supply Capability:
- 5000 set/month
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1. Manual Wafer Butterfly Valve Description：
A butterfly valve consists of body ,stem ,disc , actuator (manual actuator, worm-gear actuator , aerodynamic actuator or electric actuator) , and wafer type butterfly valve can implement the process for turning on turning off and regulating the flow by the circumrotation of stem and disc that is droved by actuators.
A butterfly valve is a valve which can be used for isolating or regulating flow. The closing mechanism takes the form of a disk. Operation is similar to that of a ball valve, which allows for quick shut off. Butterfly valves are generally favored because they are lower in cost to other valve designs as well as being lighter in weight, meaning less support is required.
2.Main Features of the Manual Wafer Butterfly Valve
1. Small in size and light in weight, easy instillation and maintenance. It can be mounted wherever needed
2. Simple and compact construction, quick 90 degrees on-off operation
3. Minimized operating torque, energy saving
4. Flow curve teeing to straight line, excellent regulation performance
5. Long service life, standing the test of tens of thousands opening/closing operations
6. Bubbles-tight sealing with no leakage under the pressure test
7. Wide selection of materials, applicable to various mediums
8. The material of valve body: cast iron, cast steel, cast stainless steel and so on.Soft seat. Replaceable. Increase of service life.
9Double half shaft without pin.Square and short neck. Easy to stick scutcheon and cost saving.
3. Manual Wafer Butterfly Valve Images：
4.Manual Wafer Butterfly Valve Specification：
Size: DN50-DN1000
End flange: ANSI B 16.1,EN1092,AS2129
Face to face: ANSI B 16.10
Top flange: ISO 5211
Normal pressure: PN1.0/1.6MPa(150/200PSI)
Body: CI/DI/WCB/ALB/CF8/CF8M
Disc: DI/ALB/Rubber lined Disc/1.2501/1.4529/CF8/Hastelloy Alloy/Monel
Stem: 410/416/304/431/17-4PH/316/monel
Seat: NBR/Hypalon/EPDM/Neoprene/NR/Wear-Resistant EPDM/Viton/Silicon/Heat-Resistant EPDM/White EPDM/EPDM(NSF)/PTFE
5.FAQ
1. What is manual wafer butterfly valve?
A: Wafer style is the more common of the two and is less expensive than the lug style. The wafer style butterfly valve is just about the standard. It ís so common that no one even bothers to use the word "wafer" when ordering a butterfly valve. It is taken for granted that if a butterfly valve is ordered, a wafer style will be received.
2. How about the Installation of the Wafer Style Butterfly Valve?
A: Butterfly valves are installed by inserting the valve between two flanges using bolts or studs and nuts to hold it all together. This type of installation, of course, makes it impossible to disconnect just one side of the piping system from the valve. That benefit is received using the lug style valve.
3. What is the working principle of manual wafer butterfly valve?
A: A butterfly valve is from a family of valves called quarter-turn valves. In operation, the valve is fully open or closed when the disc is rotated a quarter turn. The "butterfly" is a metal disc mounted on a rod. When the valve is closed, the disc is turned so that it completely blocks off the passageway. When the valve is fully open, the disc is rotated a quarter turn so that it allows an almost unrestricted passage of the fluid. The valve may also be opened incrementally to throttle flow.
- Q: I know nothing about toliets - so please bare with me. The water valve underneath my toliet is dripping and I have to turn off the water in order for it to stop. It's really annoying to have to turn the water on when I want to flush it and have to empty out the container that is catching all the time. I think it has something to do with the valve itself and I'm PRETTY sure something behind it needs to be tightened - Has this happened to anyone else? What did you do?
- Try tightening the connection where it enters the toilet tank.
- Q: If I buy one of those Presta valve adapters can I just screw it on and leave it on while I ride? Will I lose air pressure at to fast of a rate?
- Yes, just leave it on the valve while you ride. I tuck mine in my seat pack, but there's no reason you can't put it on the valve. The presta valve should be screwed shut like normal, then just put the adapter on over it. One of the best little gadgets to have if you ride in the country. Lots of people have portable or shop air compressors, but only *real* cyclists will have a pump or air chuck to fit a presta valve. If you inflate your tube with CO2, be sure to let it thaw out before you unscrew the adapter to close the presta valve. It's easy to lose air or tear the rubber at the base of the valve if you don't. I rode with a guy that used to just tuck his adapter and a patch kit in the leg of his shorts because he wanted to travel ultralight. I guess you could do that, too, but I'd worry about driving them into your flesh if you happen to crash and land on them.
- Q: 1990 Pontiac Sunbird 2.0L Fuel Injected has EGR Valve, I can suck and blow through the hose connected to it, an I supposed to be able to do this, or not...? It looks old, like it's been on the car forever...
- You can do a simple test of the valve - take a clean hose into the input - suck on it and place your tongue against the hose - it should hold vacuum and your tongue for about a minute. If it doesn't, replace the valve. They can also get clogged with deposits that can cause problems. For one that old, you may do well to just replace it.
- Q: I have a 2000 Mitsubishi Eclipse GT.I just replaced the EGR Valve yesterday, and disconnected the battery to reset the code.My old valve was nasty and loaded with carbon and the valve wasnt even opening.As soon as I drove it out of my driveway with the new valve I IMMEDIATELY noticed the difference, as it was back to normal and felt like the car moved quick again without the knocking. But after about 20 miles, the light came back on [the car is still running perfect].Today I went to Autozone and had it scanned, and sure enough, code P0403 came up as EGR Valve Circuit. He cleared the code out, and I drove to a nearby store, and when I came back out and turned my car on, the code was back AGAIN.What's the problem?If you have an idea of something else that I should check, please give me an idea of where it is located.Thank you.
- if your valve was carboned up then you Dp sensor is probably clogged as well and that would cause the light to come on and it would give that code. You can more than likely take it off and clean it really well with something like LPS or brake cleaner...carb cleaner would work also
- Q: Or could you put a blow off valve on a supercharger?
- No an No
- Q: I know i have to buy a recirculating valve but should i drop 250 on the perrin or will any brand do? how important is a high quality BOV?
- Make sure you get a tune with the BOV, you might encounter engine problems such as stalling.
- Q: I have a 03 civic ex with 96k how important is it that I do a valve adjustment. The engine runs smooth.
- the factory maintenance manual calls for the valves to be checked and adjusted if necessary every 110,000. unless they're noisy (loud tapping) they probably don't require adjustment. The older Civics were very sensitive to the valve adjustment but the 2003 won't give you any problems if the valves aren't noisy. that being said, if you notice a decrease in performance or fuel economy around that mileage it won't hurt to get them checked and adjusted. hope that helps
- Q: My boyfriend just went to his heart doctor and his tricuspid valve is leaking because of his pacemaker wire. They are saying that its moderate to severe. We are trying to decide on what moderate to severe really means. They said the same thing when he was at the doctors in June.
- if actuality be told whilst your valves close, there is a few returned pass instead of all your blood being pushed forward.. gentle regurgitation often does not reason challenge, yet you may get regarded at each year to visual show unit if it gets worse or no longer. you does no longer ought to get valve replace surgical technique till it extremely is reasonable to severe. if so, you will have the flexibility to observe with the aid of fact it could reason shortness of breath and because your blood pass isn't optimized.
- Q: I have just been diagnosed with a Mitral Valve disorder. The Doc's notes say Trace Center Regurgitation. Also Trivial Tricuspid Regurgitation. In simple terms, what do these things mean, what causes it, and how do you treat it?
- This means the valves in the heart have a little leakage, so rather than produce complete forward flow there is some reverse flow (regurgitated). To determine how much of a problem this presents to you, find out what your ejection fraction is measured as, anything over 50% is good. Ask your doctor to explain, and put this into prospective for you.
- Q: i have an old 79 malibu and its only got a 267 in it. I wouldnt buy new valve covers because its not worth it to me but i was thinking i could clean the ones i got up a little bit. i was thinking of painting them. What kind of paint should i use? and one other thing is the gaskets. I figure while i have them pulled off i should put new gaskets on. I read up about getting all the old stuff off but i was curious still about it. I was just looking at some average ones made of cork for 10 bucks. Do i lay the sealer downthen put the gasket on , then put the valve cover on?
- the best thing i could tell you is clean them good and when you put the gasket on dosent matter if its cork or not, but the silicon ones are better, is that to make sure that the mounting surface's are clean. and have no oil on them otherwise your gonna have a leak. as for the pain clean em good and it really dont matter which paint
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Butterfly Valve DN300 Turbine Type with Hand wheel BS4531
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 1 set
- Supply Capability:
- 5000 set/month
OKorder Service Pledge
OKorder Financial Service
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