Butterfly Valve DN300 Turbine Type with Hand wheel BS4531
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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 was adding air to my bike tires and the valve became loose. Do I need a new tire or is there a way to tight?
- A Schrader valve coming loose is a rare occurrence. If you didn't damage anything and the valve core itself is coming loose, there's a tool to tighten them. Old-fashioned valve caps actually had this tool built in. You can still buy the tools for a couple bucks at auto parts stores. But of course, a new tube will cost about $3 and solve the problem.
- Q: Yesterday，my friend told me his ball valve in garden was broken. He want me to help he find a useful ball valve. I find some webs, but not he want. So I want somebody to help me find the useful ball valve. Thanks.
- Hi here in the united kingdom the only place you would find a ball valve is in a tank like a header tank in the loft or in a toilet. then it would be a low pressure one or a high pressure one. what you have described sounds more like a stopcock which is a tap to switch off the main water supply to the property. which you should consult the water company about as it maybe there responsibility. so i would consult with them first.
- Q: Hi i have a 00 bmw 320d and am trying to find out information on puting a dump valve in, is it possible?, what type of dump valve? and how hard it would be to put in?? any help would be much appreciated.....Thanks!!
- Most diesels do not have throttle valves (including yours), therefore a blow off valve would never work. They work by relieving the pressure build up caused when the throttle valve is closed (foot lifted off gas pedal in a petrol engine), which happens when you shift (usually only for manuals) so the built up pressure does not bring the turbo speed down. A side effect of this pressure being dumped is the whoosh sound, which some people desire more than the performance gains it offers. That sound is the air rushing out of the intake system, which usually has been metered already, and now is wasted. The ECU measures that air and adds fuel for it. When it gets blown to atmosphere, the fuel is added, but not the air. Now the engine is running rich. There are some systems that recirc that air back to the turbo, but then there is no whoosh sound. Anyway, since most diesels do not even have a throttle valve, it won't do any good.
- Q: where is the oil pressure relief valve at in a 2003 ford focus
- This Site Might Help You. RE: what is an oil pressure relief valve? where is the oil pressure relief valve at in a 2003 ford focus
- Q: For example, 2 valves from the modular 4.6 is equivalent to 1 valve from the LS1 which is a bigger valve.
- OHC generally have 2 small valves instead of 1 large valve operated by a push rod. The aim is to have the most flow possible and the least mass of valve. (avoid valve float) I cannot say anything about specifics
- Q: I have a 96 Toyota Camry. I am putting about 4 qts. of oil in it a month. Other than this issue and some other minor things this car is in great shape. It doesn't appear to be smoking from the tailpipe and I never find any puddles of oil under the car after it has been sitting in one place for a while. What can be wrong with my car causing it to eat this much oil. Every now and then I smell a little burning oil but it is not coming from the exhaust. I'm thinking a valve job. Engine has 250,000 miles on it and it runs great other than the oil thing. I drive it 116 miles a day back and forth to work. Any suggestions??? Help!!!
- The devil is indoors the extra advantageous factors. Is the motorized automobile indoors making use of variety the area you should look into. what variety homeowners. Any maintenance records. Is the unique distributors instruction manual secure. i'm going to have a Toyota mechanic placed it on a advance and look into under heavily. There are rubber boots that carry particular lubricants mandatory to the drivetrain that have a bent to crack and leak with age. Has the Air Cond plumbing been switched out to settle for the nice and comfortable variety refridegerant. Do the belts and hoses look right maintained? My advice is to bypass forward and stumble on extra present day variety with fewer miles. Older autos, even Toyotas with that many miles that have not been right maintained can develop right into a funds pit and pass away you stranded. making an investment extra funds now can advise saving multiple funds and subject indoors the destiny.
- Q: I was wondering if the pressure relief valve can be vented right under the house or does it have to be ran to the outside of the house. Also is there another method such as a catch pan that I can employ? I live in Washington.
- Most codes state that it must be vented to the outside.Check with your city code enforcer or county office.
- Q: I have the correct tools and have done this before. All I want to do is change all three valves that operate the water (hot,diverter,cold). The shower is leaking. I want to change all three valves to stop the leak. I will call a plumber if I can't change the valves or stop the leak. Please tell me what tools I need and I'll begin from there. I have three handles/valves in the shower(cold,diverter,hot).The cold is here # and the diverter is in the center which is here # and the hot is here #. They all line up like this c# diverter# h#. These are how the valves are set up # # #.
- There is not three separate valves, it is basically a manifold with two shut off valves and a mixing valve all combined into one unit. Replacing the whole unit would be the easiest most efficient thing to do. What I'm thinking has happened is that the valves started to leak, and you kept tightening the handles in an effort to stop the flow, thereby stripping the handles, not the valves. Get a faucet handle puller, pull the handles, and remove the valve stems by undoing the packing nuts, there is also a seat reamer tool, resurface the seats and install new washers, buy new handles and you may not have to replace the whole diverter assembly. It will take more time but will be cheaper also.
- Q: Does the new valve get glued or anything or do I just put it on tightly? I cannot tell if the existing valve is glued on or not.
- Is the new valve or the old valve the compression type? If the old valve is then as you take it off you will discover if it is glued (I doubt a compression valve is also glued). Replace the old valve with the same type as the old one. That is always a good rule of thumb to follow. Put it on tightly but DO NOT over-tighten it. 1/4 turn past tight it usually tight enough. I am not a big fan of compression fittings in either copper or cpvc. You may wish to put a glued valve on, if you already have the cleaner, the primer, and the glue, other wise the expense of the materials does not warrant their purchase for the changing of one valve.
- Q: how to replace a valve cover gasket on a 98 pontiac sunfire 2.2. engine?
- First off, you remove the PCV hose and unscrew the plastic nut that retains the PCV valve. Next you remove the air intake tube from the throttle body and the air intake housing. Now locate the bracket on the side of the throttle body that contains the throttle cable. Remove the 2 bolts from this bracket and remove the cables from the throttle body. You should now be able to remove the valve cover from any obstructions. If you are not cleaning the valve cover, there is no need to remove the PCV valve. If you are cleaning it with soap and water, take the PCV out. The gasket is one piece and rubber, but you may find it a pain to keep the gasket in the groove on the valve cover, so you might try some yellow weatherstrip sealer to help hold the gasket in place. Let it dry for a little while before reinstalling the valve cover, so the gasket doesn't 'roll' out of the groove on the corners, or it will leak heavily. Good luck.
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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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