Butterfly Valve DN600 D373H-16C D343H-6C D343H-10C D343H-16C H343H-25C

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Product Description:

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:Butterfly valve structure and working principle
The clip type butterfly valve is connected with the two pipe flange with a stud bolt. The flange type butterfly valve is provided with a flange on the valve, and bolts are used to connect the flanges at the ends of the valve to the pipe flange.
Q:Read your answer, about pneumatic butterfly valve solenoid valve selection
The valve (including the valve, butterfly valve, etc.) are equipped with pneumatic actuators are standard (including restrictor valve positioner of the electromagnetic valve is connected with the installation.) is the international standard NAMUR standards, in the standard of inside electromagnetic valve is G1/4, of course, this is the solenoid valve installation in the NAMUR interface of the driver on the situation, if the solenoid valve is not installed on the drive, but through the trachea installed in a few meters away, it would have to choose a larger size, how to choose? Depends on the switching speed of the valve requirements, such as drive gas consumption is 2L, need to open in 1S, the electromagnetic the valve requires the flow of 120L/min, plus the line loss and acceleration, 500L/min is enough.
Q:How do you explain A in butterfly valve D37A1?
Represents a seal or lining material symbol.Said sealing ring or lining material with the Chinese phonetic alphabet: B Babbitts D nitrided steel, acid resistant stainless steel H, J L Aluminum Alloy, hard rubber, nylon NL, P leather, SA PTFE, SC PVC, SD bakelite, T copper, TC enamel, X rubber, Y hard alloy
Q:What do you mean by manual butterfly valve DN100 D341X-10?
DN100 refers to the inside diameter of the butterfly valveD stands for butterfly valves3 represents the turbine drive4 represents the flange connectionThe 1 represents straight throughX is the representative of the Dengqen rubber seal10 represents the pressure of 1.0Mpa (10 kg)Butterfly valve (English: butterfly valve) refers to the closure of parts (valve or butterfly plate) for the disk, around the valve shaft to achieve rotation and closure of a valve, the main cut off on the pipe and throttling. Butterfly valve headstock is a disc shaped disc, in the valve body around its own axis of rotation, so as to achieve the purpose of opening or closing or regulation. Butterfly valve is fully open to fully closed is usually less than 90 degrees, butterfly and butterfly stroke itself has no self-locking capability, in order to position the disc to install the valve stem on the worm gear. Using worm gear reducer, not only can the butterfly plate have self-locking ability, so that the butterfly board stops at any position, but also can improve the operation performance of the valve.
Q:Function of signal butterfly valve in fire sprinkler system
The signal butterfly valve is generally installed in two parts: floor level, dry pipe, flow indicator front end, trunk pipe, wet alarm valve, front end.Floor level pipe installation is a function of the signal valve, when the floor spraying system needs repair, close the valve, open the end of the floor drain, emptying the water in the spray system, maintenance; two is the sprinkler system is not allowed inside water, when the butterfly is closed, will transmit a signal to the the fire alarm system, fire alarm system receives a monitoring signal (so called signal butterfly valve), fire sprinkler system that the floor is anhydrous state, fast repair.Wet alarm valve at the front of the signal butterfly valve with the main floor of the main role of the butterfly valve, first, maintenance, and two is the prompt sprinkler system, there is a signal butterfly valve closed, should be repaired as soon as possible.
Q:Where is the pcv valve in a 2001 ford focus?
The PCV (positive crankcase valve) is usually on top of the engine or in the valve cover, but it will be in different locations depending on the engine cylinder count: 4, 6, or 8 cylinder. You may have to go to a dealer and ask for a parts breakdown drawing which will show you where all the various parts are located. Some libraries have big books that show all the details about any model of car. Ask around.
Q:Which is expensive, butterfly valve?
Gate valve and butterfly valve can not simply take the price there to compare, look at the actual design requirements of the project. General small caliber are selected by the valve, because of better sealing performance, service life is long, the maximum diameter of valve is usually choose to use the butterfly valve to the pipeline DN800800 above, because the valve is cheap, the price is only half of the large diameter valve. Also some pipes from the use of quality point of view, will choose the gate valve. How to use it, please mark the map
Q:toyota mechanic valve adj 1.8l?
valve adjustment . you need to know the fire order. the gage between the stem. rotators the cranshaft. it could be cold start. cylinder need to be bottomed center.
Q:Can the inlet and outlet of butterfly valve be reversed? Why? What will happen if the reverse gear is installed?
Are butterfly valves and check valves fitted together?Butterfly valve is nothing positive and negative ah!
Q:Butterfly valve common faults and treatment methods?
Three, summary:Only familiar with every detail of circulating water pump outlet valve and butterfly valve equipment, timely and thorough maintenance and strict debugging, to ensure the safety and reliability of equipment operation, to ensure the healthy and orderly operation of equipment.

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