Butterfly Valve DN500 D373H-16C D343H-6C D343H-10C D343H-16C H343H-25C

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Butterfly valve, also called the flap valve is a kind of simple structure of the regulator, 

also can be used in low pressure pipeline medium valve butterfly valve in the switch 

control the way work is closed a (disc or disc) is a disk, around the axis of rotation to

achieve a valve open and close, mainly in the line cut off and throttling effect.

Butterfly valve opening and closing is a disc-shaped butterfly plate, the body rotation 

around its own axis, so as to achieve the aim of opening and closing or adjust.

Introduction to the

Butterfly valve, butterfly valve) : also called butterfly valve worm gear
Definition: open-close part for disc butterfly plate and a valve body axis rotate.[1]
Structure: mainly by the valve body, valve stem, disc and seal ring.The body is 

cylindrical, short axial length, built-in butterfly plate.
Using range
Electric butterfly valve butterfly valve is suitable for the generator, gas, 

natural gas, liquefied petroleum gas, city gas, cold hot air smelting, chemical 

industry and power generation, environmental protection, such as, building

water supply and drainage engineering system of conveying a variety of corrosive,

non corrosive fluid pipe, used to adjust and block the flow of the medium.
Functional purposes
Pneumatic butterfly valve butterfly valve (English: butterfly valve) is to point 

to shut down a (disc or disc) is a disk, around the axis of rotation to achieve 

a valve open and close, mainly in the line cut off and throttling effect.Butterfly 

valve opening and closing is a disc-shaped butterfly plate, the body rotation around

its own axis, so as to achieve the aim of opening and closing or adjust.Butterfly valve 

fully open to the barrier is usually less than 90 °, butterfly valve and the adjustment 

lever itself has no self-locking ability, in order to butterfly plate positioning, to add 

worm gear reducer on the valve stem.The use of worm gear reducer, can not only 

make the butterfly plate with self-locking ability, make the butterfly plate to stop at

any position, also can improve the performance of the valve.Industrial specialized 

characteristic ability of high temperature butterfly valve, apply pressure range is higher also, 

nominal valve size is big, the body is made of carbon steel, valve plate seal using metal ring 

instead of rubber ring.Large high temperature butterfly valve USES the steel plate welding 

manufacturing, mainly for the duct smoke and gas of high temperature medium.

 


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Q:Classification of telescopic butterfly valve
(2) temperature butterfly valve. 120 C
Q:How does the pneumatic butterfly valve control the angle of opening?
The angle of the rotating shaft is controlled so that the angle of the butterfly valve is controlled. You just have a good electrical locator
Q:What does "D41X-16" mean?
D butterfly valve, 41 flange connection, X rubber seal, 16 kg pressure
Q:What is the meaning of American Standard butterfly valve B series
American Standard flange connection is divided into A, B series. A series for normal flanges, B series for compact flanges. 24 "to no AB series, flange standards for B16.5, 24" above B16.47.
Q:Butterfly valve flow direction is single or two-way?
Hello, soft sealing butterfly valve is generally two-way flow, large bore with flow direction is one-way flow. Hard sealed butterfly valves are the same.
Q:Which is more expensive, gate valve or butterfly valve?
Gate valve.Under normal circumstances, if you need to adjust the good point, to use the gate valve, and if better, you can choose the cut-off valve.But the price is also butterfly valve, gate valve, globe valve increasing.
Q:What type of valve does the butterfly valve D343X DN300 represent?
The GD343X model butterfly valve is the pipe flange butterfly valve. The J shaped elastic precision of the sealing ring and the three eccentric multi-level metal seal structure, is widely used in medium temperature less than 425 DEG C, petroleum chemical industry, metallurgy, electric power and water supply and drainage and municipal construction and other industrial pipelines, adjust the flux and set off fluid.
Q:Why anti condensation of aluminum alloy anti condensation butterfly valve?
Anti condensation butterfly valve multi-level unique progressive contact seat design, the valve plate in close contact in the process of gradually seat, ensure good sealing performance while reducing unnecessary torque, and the butterfly plate of stainless steel and the inner parts, thereby prolonging the service life of the valve seat, has strong rust and corrosion function. Torque reduction enables the drive to be lightweight and miniaturized. Unique stem seal prevents fluid leakage.
Q:What are the advantages of butterfly valves?
D. sediments are not readily accumulated;The E. is compact and has little installation
Q:Big block, solid lifter, valve clearances?
On solid lifters tappy is happy I don't have a manual here, but if you need to get it going now that phrase will help you.

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