High Quality F6 type PPR single female threaded concealed ball valve with brass ball

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High Quality F6 type PPR single female threaded concealed ball valve with brass ball PP-R ball valve with brass ball 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:Hello, I would like to ask the household tap water valve selection of stainless steel ball valve or brass ball valve is better, thank you: I have used two kinds, but stainless steel gate valve is better. Note that it must be made of stainless steel 304. I bought more than 300 yuan a gate valve. Total valve, no way to save money.

Q:DN15 ball valve with a bit of outer wire: Is. But we usually use engineering diameter in our country. A few is the imperial system, in addition to the domestic veteran workers still use, and now are using GB size.

Q:PPR ball valve which face is open, which face is closed, there is a o, there is a s, which is off, ah, which is open, well intentioned people told me that the original finished by forget: Hello, I am glad to answer for you. O is on, s is off. I hope I can help you.

Q:Electric ball valve installation need to pay attention to what?: 3, valve installation should be detailed understanding of its performance and features; 4, valve installation space to ensure the ease of use, maintenance and repair simple. 5, in order to avoid loose screws, bolts of leakage, before use each fastening screws; 6, in the use of the process should pay attention to the use of medium pressure valve, such as temperature, so as to avoid damage to the valve; 7, such as the valve opening and closing in, should identify the reasons, troubleshooting, no knock, smashing etc. method of forced opening and closing.

Q:Calculation formula of ball valve flow: The sectional area of diameter of DN15, DN25 and DN50 is respectively:DN15:15*3.14/4=176.625 mm, 0.0177 square decimeter.DN25:25*3.14/4=490.625 mm, 0.0491 square decimeter.DN50:50*3.14/4=1962.5 mm, 0.1963 square decimeter.A pipe flow rate of V=4 M / s V=40 decimeter / s, and the 1 liter =1 cubic meter, the pipe flow respectively (cross-sectional area multiplied by the velocity):DN15 pipe: flow Q=0.0177*40=0.708 L / sec,It's 2.55 cubic meters per hour.DN25 pipe: flow Q=0.0491*40=1.964 L / sec,It's 7.07 cubic meters per hour.DN50 pipe: flow Q=0.1963*40=7.852 L / sec,It's 28.27 cubic meters per hour.Note: a flow rate must be given to calculate the flow rate, which is calculated in accordance with 4 meters per second. Reference: http://zhidao.baidu /question/77687541.html answer: good night dream | six | 2010-5-24 22:46It's 600 cubic meters / hour!Flow Q=600 m3 / h = 0.167m^3/sThe flow rate is V=4Q/ (3.1416D^2) = 4*0.167/ (3.1416*0.090^2) = 26.25 m/s, and the flow velocity is very large!It could be 600 cubic meters per day:Flow rate Q=600 m3 / day = 0.00694 m^3/sFlow rate V=4Q/ (3.1416D^2) = 4*0.00694/ (3.1416*0.090^2) = 1.09 m/s flow rate is normal.

Q:Three electric ball valve type T and type L what is the difference?: Electric three way ball valve is a kind of valve, can be divided into L and T type.The T type can cause three orthogonal pipes to connect with each other and cut off third channels, thus diverting and merging the channels.Two pipeline L three ball type valve can only be connected mutually orthogonal, communicating with each other while maintaining the third pipeline, only as a distribution function.Type T and L type reversing diagrams are as follows:Turn left and turn right |

Q:What is the difference between ball valve and butterfly valve?: The two kinds of valves can be distinguished from their names. Ball valve cut-off is a ball in the valve to achieve, the ball blocked the pipeline will not flow, move away on the circulation. The closing effect of the butterfly valve is two or one butterfly wing, just like butterfly wings, or, like a blade, the shop is expanded and sealed, and the pipe is out of circulation. Plainly, one is blocking with the ball, and the other is blocking with the blade.

Q:To help explain the meaning of the ball valve Q11H-16H, combined with the actual, such valves have wood?: JB T308-2004 valve model preparation method and "GB1048-2005 pipe element nominal pressure definition and selection", there are various types of valve interpretation:Q11H-16HQ: valve type: (Q) ball valve1: connection form: (1) internal thread1: structure form: (1) through flow channelH: sealing surface or lining material: (H) Cr13 stainless steel16: pressure code: (16) 1.6MPaH: body material: (H) Cr13 stainless steel

Q:Hard sealing ball valve, what method can calculate the leakage? How much is grade 4? How much is grade 5? How much is level 6? For example: how many DN150 seals are 5 ml?: Valve leakage level is used as an important reference standard in valve leakage test.Usually in accordance with the requirements of the process. In the process of lifting the conditions and processes, there will be valve leakage level requirements.

Q:What are the differences between the lever ball valve and the handwheel ball valve? What are their differences?: Group pairs of valves, have not heard of a lever type ball valve, only lever type safety valve, hand wheel type is only the way it drives different, the way is also ever-changing, to see the needs of individuals

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