Wafer Type API Butterfly Valve With Locking Device

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Quick Details

  • Standard or Nonstandard: Standard

  • Structure: Butterfly

  • Pressure: Medium Pressure

  • Power: Manual

  • Material: CI,DI,WCB,SS,ALB,etc.

  • Temperature of Media: Medium Temperature

  • Media: water, oil, gas, etc.

  • Port Size: DN50-1200

  • Place of Origin: Tianjin, China (Mainland)

  • Model Number: D7A1X-10/16ZB1

Packaging & Delivery

Packaging Details:Standard export packaging(plywooden case) or as per clients' requirements.
Delivery Detail:within10-30 days after receipt of L/C or 30% deposit


Wafer Butterfly Valve With Locking Device
3.MSS SP-67, API609, EN593

Wafer Type Butterfly Valve



Different design standards

Actuator (power): handle, wormgear pneumatic, electric etc.


1.Small in size and light in weight. Easy installation and maintenance. It can be mounted wherever needed.

2.Simple and compact construction, quick 90 degree on-off operation.

3.Flow curve tending to straight line. Excellent regulation performance.

4.Long service life. Standing the test of thousands opening/closing operation.

5.Wide selection of materials, applicable for various media.


Design standard

Face to face

End flange

Test & inspection





ISO5752 series 20


DIN PN10/16/25

ANSI B 16.1


ISO PN10/16

JIS B 2212/2213

BS 10 table D

BS 10 table E

API 598




Testing Pressure


Applicable Temp. °C

Applicable Medium




DN50 ~ DN1000



-45~ 150

Fresh water, Sewage, Sea water, Air, Vapor, Food, Medicine, Oils, Acids,

Alkalis, etc.

Material List:

Part Name



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Q:Cannot pass smog-EGR valve?
The problem obviously wasn't the EGR valve. It is a solenoid that controls the EGR valve. A very common problem on Toyotas. Tell your mechanic to replace the EGR VSV solenoid. He will probably tell you that it tests fine, but that's the way they look when they fail. Just replace it. Google toyota egr vsv for verification. It is very easy to check flow, attach a vacuum pump to the valve and pump it up, if the engine stalls the valve is good, if the engine doesn't stall, the passage is probably plugged as the valves rarely fail.
Q:Bent Valve!!!!!!!?
Never paid for so I dont know, BUT You will have to replace that new timing belt again. OR make sure they install it right. Seen one case where a timing belt came loose due to the tensioner not being replaced with the belt. Quiz your mechanic and see is he even knows about the belt and tensioner. If it jumps, you can bend all valves. Makes me curious how just one valve out of 16 got bent. Replacing the head is a tough job and a few issues can arise. BUT You should recondition if you are pulling it for one valve.
Q:How do i make a ball valve?
It's a lot easier and cheaper to buy the valve at a hardware store than make it. You can probably get a motor and gear train from a hobby store. If it doesn't absolutely have to be a ball valve, you can get electric sprinkler valves from just about any home and garden supply. They're specifically designed to control water flow. Just hook it up to a power source and you're good to go. Addition: Just remembered, you can also get battery operated water control valves that connect between a faucet and a hose. I'm pretty sure they're ball valves internally. Prices vary, so shop around. Depending on how fancy you want it to be, they go for about $5.00 and up.
Q:does the pcv valve help my transmission shift?
PCV valve has nothing to do with the transmission, it is part of the emissions control system, it recirculates unburnt gasses from the engine back through the combustion chamber to be burnt.
Q:Replace Heater Control Valve Honda?
confident get the screw clamps. those spring clamps you would be able to besides throw them over the hill by way of fact while they're used then they get susceptible. plus with the screw clamps you may continually tighten them in the event that they must be.
Q:After a bout with bacterial endocarditis, scar tissue often stiffens the edges of the heart valves.?
Endocarditis is usually caused by bacteria. When symptoms are prevalent, blood cultures are done to detect what sort of bacteria is present. Many types of bacteria can cause endocarditis. Normally, blood flows smoothly through heart valves. But if they have been damaged, by some other medical condition, defense mechanisms (such as white blood cells) cannot enter the valves. Then bacteria can have a chance to take a hold on these valves. So if bacteria establishes a hold on the valves, the body cannot get rid of them. Antibiotics can be used to treat the infection. If antibiotics does not work, then the infected valves are removed surgically and replaced with transplants or artificial valves. I hope this helps. good luck
Q:what is a flush valve? is it another name for a drop valve?
A flush valve (if you are talking about a toilet) is the flapper at the bottom of the tank. I suppose it could also be called a drop valve. At any rate, a flush valve is designed to rest in place preventing water from passing. When the flush valve is raised, trapped air in the bell of the flapper will cause it to float as high as possible, allowing water to pass without restriction. When the water level is low enough the flapper will float back down and seal the opening, thus allowing the tank to refill and be ready for another flush. Good luck. :)
Q:French Horn Valve Compression?
If you like how it plays you might just wish to leave it alone. Anything you do is going to change the way it plays, perhaps to something you don't like. Check compression by pulling the valve slide part way out, wait a second or two and then push the key, as the air fills up the partial vacuum cause by pulling the slide you should hear a nice thunk. If there is no noise when you push the valve the air is leaking around the valve and that's bad compression. Another way to check is just slowly withdraw the valve slide. It should get harder as you pull due to the vacuum, if it comes all the way out it should pop.
Q:How can I stop my cornet valves from sticking?
If the valves continue to stick after being oiled, then it's time to clean your horn. Remove all the valves (making sure to keep them in order so you don't put them back in the wrong casings) as well as the slides. Fill a sink with warm (not hot) water with liquid dish soap. Wash all the parts gently with a soft clean cloth. There are special brushes available at music stores for cleaning the insides of slides. After cleaning, pat everything dry, apply fresh grease and oil, and reassemble.
Q:What prevents the valves in the heart from being pushed backwards?
the heart valves maintain the unidirectional flow of blood in the heart by opening and closing depending on the difference in pressure on each side. (wiki) So I would assume that the pressure of blood flow is what prevents the valve from pushing backwards. ALSO Atrioventricular valves These are small valves that prevent backflow from the ventricles into the atrium during systole. They are anchored to the wall of the ventricle by chordae tendineae, which prevent the valve from inverting. The chordae tendineae are attached to papillary muscles that cause tension to better hold the valve. Together, the papillary muscles and the chordae tendineae are known as the subvalvular apparatus. The function of the subvalvular apparatus is to keep the valves from prolapsing into the atria when they close. The subvalvular apparatus have no effect on the opening and closure of the valves, however. This is caused entirely by the pressure gradient across the valve.

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