Multi-function hydraulic control valve

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1.Technical Date:

Size: DN40-DN1600

Nominal Pressure: PN10/PN16/PN25

Operation Temperature: ≤80°C

Suitable Medium: Water

2.Feature

JD745X multifunctional hydraulic control valve is composed of the main valve and regulating valve and take over the system, the valve body adopts once-through body, the main valve control room for the diaphragm or piston type double control room design, hydraulic control valve added a control room, strengthen the function of the control of the main valve, achieved to pump export slowly open, open, closed, as of multi-function control, implement a valve, a multifunctional control of pump export adjustment. JD745X multifunctional water pump control valve to take over the control system adopts the regulator, by setting valve opening, easy to realize to the control parameters, such as the main valve opening speed, hydraulic slowly-closing speed and so on.




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Q:I would like to ask how to access the valve?
May learn some basic knowledge of valves, learning in practice, relatively fast.
Q:Is the filter also valve?
Classification, filter does not belong to the valve filter is indispensable to a device on the pipe conveying medium, usually installed in the valve, pressure relief valve, inlet water valves or other equipment end, used to remove impurities in the medium, to protect the normal use of valves and equipment. When the fluid enters the filter cartridge has a certain size, the impurities are blocked, and clean filtrate from the filter outlet, when cleaning, as long as the removable cartridge is removed, you can reload after treatment, therefore, maintenance is extremely easy to use.
Q:What is the normal temperature on the valve?
3. classification by operating temperature(1): ultra-low temperature valve for medium temperature of t< DEG C; 101 valve.(2): used for medium temperature valve operating temperature 101 C = t = 29 C valve.(3) at room temperature for medium temperature valve: the valve 29 425 degrees celsius.If it helps, see it
Q:What is a heavy body valve?
Heavy body valves are heavy duty valves. This is the size of the valve, weight, wall thickness are linked, in general, the gate valve and cut-off valve is divided into heavy, medium and light three, other valves are not so distinguished.
Q:What should be checked before using the valve?
The valve must be visually checked before installation1, valve opening and closing position should meet the following requirementsThe valve, the cut-off valve, throttle valve, regulating valve, butterfly valve, foot valve, the valve is in full closed positionPlug valves and ball valves should be in full open position• diaphragm valve should be in the closed position, and can not be too tight to prevent damage to the diaphragmCheck valves shall be closed and secured2, the valve shall not be damaged, missing parts, corrosion, nameplate shedding and other phenomena, and the valve body shall not be dirty3, both ends of the valve should be protected. Handle or handwheel should be flexible and light, and must not be stuck4, valve body casting, the surface should be smooth, no cracks, blisters, lock, pores, burrs and other defects; outside valve forging, the surface should be free of cracks, interlayer, double skin, scar defect
Q:What does the J41Y-100I valve type mean?
J41Y-100I flange type chrome molybdenum steel valve forgingJ represents the cut-off valve, 4 (flange) on behalf of his connections, 1 (straight) on behalf of his structure, Y (seal) on behalf of his seat sealing surface or liner material code, 100 is the nominal pressure value, I (chrome molybdenum steel) is the code of the body material
Q:Representation of several types of valves
Valve type:Z gate valveJ stop valveL throttling valveQ ball valveD butterfly valveH check valve and bottom valveG diaphragm valveA safety valveT regulating valveX plug valveY pressure reducing valveS trapDZ solenoid valveO electromagnetic motionDrive mode:1. electromagnetic and hydraulic action2., electricity, a liquid3. worm gear4. the spur gear rotates5. bevel gear rotation6. pneumatic7. fluid movement8. air and one liquid movement9. electricOther hand wheel, handle, board hand, no performanceSide mode;1. internal thread2. external thread3. flanges (for double spring relief valves)4. flanges5. flanges (for lever type, safety door, single spring safety door)6. welding7. pairs of clips8. clamps9. card sleeveIllustrated cover or lining:T copper alloyH alloy steelB tin based shaft (bearing alloy)Y cemented carbideX rubberJ hard rubberSA PTFESB poly three fluoro ethyleneSC polyvinyl fluorideSD phenolic plasticsSN nylon
Q:How can the valve actuators be classified?
The boring actuator, that is, the pneumatic valve actuator, is described in the customs notesPneumatic valve actuator (three) separately presented. This device is equipped with a piston metal enclosure, linear motion of compressed gas generated by a needle perpendicular to the piston rod into the rotary motion, in order to control plug valve or other device with a rotary deviceSo the Shanghai customs will bring you the list backIn fact, the most important point of distinction or the actuator is pneumatic energy conversion in what form movement of the mechanical energy output, if it is a straight reciprocating, 84123100 is correct, if not belonging to the rotary linear motion, or radians, 841239 correct
Q:What is called protective valve, and other valves what is the difference?
Protection valve should be in the air defense valve, can be copper gate valve. (according to the specific use of civil air defense requirements, design institute does not count).2, while the protection valve should be a locking device with the valve, not the general valve can be replaced.
Q:Where is the Hefei valve market?
At the intersection of Mingguang Road and Shengli Road, the southwest side is all made of valves

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