Self-operate differential pressure control valve

Self-operate differential pressure control valve

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1.Technical Date:

Size: DN15-DN400

Nominal Pressure: PN10/PN16

Operation Temperature: 0°C~150°C

Suitable Medium: Water,Steam

2.Feature

ZYC self-reliance type differential pressure control valve is a kind of self control USES the pressure of medium changes and keep unchanged through the control system in the medium pressure difference of energy-saving products. Applicable to the heating mode adopts double pipe system of differential pressure control, to ensure that the system pressure difference basically remain unchanged, reduce noise and balance the resistance, eliminating heat supply network hydraulic disorder.

Q:The valve has a clear opening and closing sign. What does this sentence mean?: Simply speaking, a gate valve, hand wheel will be above the arrow and open and close the text, indicating that you are clockwise valve open or counterclockwise valve open, so as not to make mistakes, accidents. Other valves are similar in sense and sign.

Q:Which valve can play a good regulatory role?: A wide range of valves, the function is different, although like conventional butterfly valve, ball valve can play a regulatory role, but their role is not linear, so if you need to adjust the precision of the valve, it is best to select the control valve.

Q:What's the advantage of using three way valves?: The principle of three way valve:The most obvious three valves and other valves is the difference in appearance, three way valve has three channels, mainly used to change the medium to flow through valve three, which in addition to import A, B, C and reversing port of export, common valve is not capable of changing the flow direction of medium function. The flow direction of the medium can be determined according to requirements.

Q:The total valve of my natural gas was closed by the attitude I tried. Now I can't open it. I need to use gas. Who knows how to drive it? What skills do I have? I'm talking about the main valve.: Are you talking about using air? Or your valve is a pneumatic emergency shut-off valve

Q:How to carry out the valve strength test and air tightness test?: Refer to the GB/T13927 or ISO5208 standards and need to pass it to you

Q:Is there any difference between the valve and the water valve?: Oil valve with water valve is that the oil valve is over the oil, and the valve is over water, the type of fluid is not the same.Valve (Famen) is a control component in the fluid delivery system. It has the functions of closing, adjusting, guiding, preventing reverse flow, stabilizing voltage, shunting or overflow and releasing pressure.Valves used in fluid control systems, from the simplest stop valve to a very complex automatic control system used in a variety of valves, a wide range of varieties and specifications. Valves can be used to control air, water, steam, a variety of corrosive media, mud, oil, liquid metal and radioactive media and other types of fluid flow. The valve according to the material is divided into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316), chrome molybdenum steel, chromium molybdenum vanadium steel valves, valve, dual phase steel valves, plastic valves, non-standard customized valve material etc..

Q:High and low pressure valve is how to distinguish?: Vacuum valve - valve with operating pressure below standard atmospheric pressure.Low pressure valve - nominal pressure PN is less than 1.6MPa valve.Medium pressure valve - nominal pressure PN 2.5~6.4MPa valve.High pressure valve - nominal pressure PN10.0~80.0MPa valve.Ultra high pressure valve - nominal pressure PN greater than 100MPa valve.

Q:So how does the valve turn on?: The handle of the valve is opened along the pipe and perpendicular to the pipe

Q:The expert can tell me how to install this valve, and what fittings to use on both sides: It looks a bit like the butt weld butterfly valve. The two sides are welded to the pipe. There is a step on either side of the valve. Overhead welding

Q:How do you calculate the valve wall thickness, pressure, and other valve design calculations in a spreadsheet?: For you to introduce the spreadsheet calculation, application basis, you according to this principle for valve correlation calculation:When A1 and B1 cells are used as parameters, the amount of computation is calculated by C1. If the formula is X+Y=? In the A1 cell, fill in the X; fill the Y in the B1 cell; fill in the C1 cell with "=A1+B1"; enter the carriage, and then calculate the corresponding value in the C1 cell. For example: fill in 5 in the A1 cell; fill in 8 in the B1 cell; enter the carriage, and then appear in the C1 cell 13. Other calculations are the same, you will calculate the valve formula, such as the above fill in, given the corresponding parameters, the same can be calculated.

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