High Quality PP-R stop valve with straight

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High Quality PP-R stop valve with straight Heavy stop valve size:20*1/2'',25*3/4''

1.Material:Random Polypropylene(Hyosung R200P);
2.ISO9001&ISO14001;
3.Standard:GB/T 18742.3-2002, DIN8077/8078;
4.OEM also ok

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 <t<120 DEG C.(4) the temperature valve for medium temperature 120 = t = 425 DEG C valve(5) high temperature valve: valve used for medium temperature t>425 degrees celsius.If it helps, see it

Q: I would like to ask this valve (not too clear, is it possible to call the valve), what is the specific name of the professional? Where can I buy it?: Tiemuyu666, let's go inside and see if there's anything we need. For reference only

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

Q: How to quickly identify the types of valves?: There are many kinds of valves, such as butterfly valve, ball valve, globe valve, gate valve, check valve, plug valve, plunger valve and diaphragm valve...... Pneumatic, electric, worm, or handle......There are also pictures on the Internet, you can search their respective pictures, shape is visible

Q: Look at the flow chart, some of the valves are marked with FV, and some are marked with XV. What does that mean?And what do you mean by the Cv value on the valve nameplate?I hope the heroes give a clear explanation ah, it is best to give an introduction of this knowledge of the web site oh.Thank again.: FV or LV on the flow chart, which represents the instrument bit number, FV is flow valve, and LV is level valve.The valve on the nameplate CV value, it is a measure of the size of the valve flow, it is the concept of 40 - 60 degrees Fahrenheit in the water, the pressure drop of 1 psi, in a valve opening per minute flow through the valve (U.S. gallons).

Q: What does the valve QF mean?: Valve type, one of the contents, Q refers to the ball valve, F refers to the F-4 seals.

Q: What valve is the VENT?: VENT position usually refers to the valve on the leak detection valve, relief valve, but not the same as the use of DRAIN, which is used for sewage.

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: How do you calculate the flow of the valve?: Valve flow calculation value is very vague, pipe pressure, back pressure, medium viscosity, medium temperature, valve structure, and so on, will affect the calculated value.

Q: What are the most common types of valves?: From the controllable and uncontrollable division (personal opinions, according to our factory valves used to explain)1. hand operated: gate valve, globe valve, ball valve.2. control: single seat valve, two seat valve, ball valve (O ball, V ball), eccentric rotary valve, butterfly valve, diaphragm valve

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