wafe type butterfly valve
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Specifications
Double flanged Double Eccentric Butterfly 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)
- Q:I pulled the vaccuum line off the valve and nothing happened. I revved the engine and held it a higher rpm and still nothing happened(no vaccuum). Does this mean that the egr valve is bad. I have been having a problem with rough idle, and keeping the car running at a stop sign. I have already changed the pcv valve and that seemed to help a little. Thanks
- You have likely got a bit of carbon in the EGR that you can clean after you remove it, I usually spray some penetrating oil into the valve hold my finger over the hole that I sprayed into and turn the valve over, if it leaks the seat is dirty and cleaning the carbon out may help. also push up on the plunger several times to be sure that it doesn't stick alternate carb cleaner with penetrating oil until the valve is free and no longer leaks when inverted. As far as your question the test you described doesn't test the EGR or the EGR solenoid correctly at all. On some the car needs to be in gear to actuate the EGR, all you need to do is check that there is vacuum to the solenoid and that the EGR valve works freely. If the EGR fails to work the check engine light should be on and you can check the code to get a clue as to why.
- Q:ok so my 1993 bonneville started shaking and its smells like gas fumes in the car, so i cant drive it cause i have a newborn baby.so i took it to the dealership, they said codes 53,54,55,42,66 came up. they said i needed a new cadiletic converter, so i went to a local muffler shop. they said it was glowing cause it was so hot and said that wasnt the problem.i called the dealership back and they said they cleaned the egr vavle but said maybe it needs to be replaced, well before i spend any money i wanted to get everyones opinion, the car drive great, only shake when ur at idle. and smells awful inside uld this be the egr valve ?
- I have a 1996 Firebird with the same 3.8L V6 motor. I recently had to have the EGR valve replaced, as well. I am not sure- but I think that the EGR valve has to do with the emissions. It may not pass an emissions test if the EGR valve has been bypassed. If you have to have it replaced, it probably won't be that expensive. Good luck. EDIT: here is an explanation of what an EGR valve is, and what its function is, thank you to this gentleman named Shovelkicker for providing an answer elsewhere in 'answers.'
- Q:give some application of varible throttle valve?
- A throttle valve allows continuous control of the rate at which some fluid moves from a region of relatively high pressure into a region of relatively low pressure. An example would be in an automobile engine, where the throttle controls the rate at which air (at or above atmospheric pressure) enters the engine's intake manifold (near vacuum when the throttle is closed.) The throttle in an automobile engine is mechanically linked to the gas pedal (in case you didn't know).
- Q:I am a junior piping engineer. I want to know what is the meaning of term Triple Eccentric in Triple Eccentric Butterfly ValveButterfly Valve. So kindly enlighten me.
- Above answers your question. I've used these and they work great. But they cost much more then your tradition quarter turn butterfly valve.
- Q:Hey my sexy internet homies lt;3: I need help on artificial valves. I need to know the following things:How do the properties of the materials artifical heart valves are made from make them useful?Explain how the structure of the technology is related to the function that it needs to perform.Thanks!!
- There are three of these things: the caged-ball which utilizes a metal cage to house a metal ball, tilting-disc valves, which have a single circular occluder controlled by a metal strut. They are made of a metal ring covered by a tissue, into which the suture threads are stitched, in order to keep the valve in place once implanted and there's bileaflet valves, which consist of two semicircular leaflets that rotate about struts attached to the valve housing which is the most recent type, eh? So heart valves are considered to be extremely durable. They're made of either pyrolytic carbon or titanium coated with pyrolytic carbon, and the sewing ring cuff is Teflon or polyester or dracon (probably dacron :P). They key to the materials chosen is durability because of the constant fluid flow. I see this as pure engineering, not medicine, specifically fluid mechanics: like if there are rare complications for example thrombus formation is a debilitating side effect of high shear stresses created by design of the valves. Ideal heart valve from an engineering view would produce minimal pressure drops of course have small regurgitation volumes because it's supposed to minimize turbulence and regulate the flow.
- 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...
- It recirculates the fumes and the air--but a cracked hose is a nightmare if vacuum leak develops--fix it--just get a new hose and happy motoring
- Q:I play the trumpet and I took it home for Christmas Break. On Friday I am playing Amazing Grace at Church for New Years Eve, but the problem is my valves on my Trumpet is sticking and I don't have any valve oil for it. Is there any other oil that I can use for the Valves? It will be really great! Thanks :)
- valve okorder /... its simply the best
- Q:recently changed head gasket. could valves tap from the push rods being mixed up? they all seemed to be the same size and i know the other side was exactly the same when put back together but this side is mixed up. could this make the valves go crazy? and i need to replace my water pump because its getting very hot and no coolant moving. and everything is smokin up, took off oil cap and it was steaming. would that have anything to do with making the valves tap?
- there okorder a good site that will help you fix your car and its free and you can ask master tech for help.
- Q:what exactly is thc pcv valve and what does it do
- i don't know much about them. i had to get one replaced in my car a few weeks ago.. i knew i had to replace it bc my car made a farting noise whenever i turned left.....
- Q:ok so the water main that comes into the basement the valve handle snapped off so how do i shut the water off so i can replace that valve? I called the water company and they said they cant shut off the supply to the house because it is private property and we have to call a plumber if so how can they shut the water off and on if we dont pay the bill?
- Broken Water Valve
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wafe type butterfly valve
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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