cast iron globe valve

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1.Technical Date:

Size: DN40-DN600

Nominal Pressure: PN10/PN16

Operation Temperature: ≤80°C

Suitable Medium: Water,Sewage,Seawater,Gas,Food,Oils,etc.

2. Standard

Design Standard: GB/T 12233-2006

Structural Length: GB/T 12221-2005

Top Flange dimensions: ISO5211

Face to face dimensions: GB9112,DIN2501,BS4504,ISO2084,ANSI125

Type of connection: Wafer Type/Threaded Connection

3.Feature:

1, simple structure, manufacture and maintenance more convenient.

2, small work schedule, opening and closing time is short.

3, good sealing, sealing surface friction between the small, long service life.

Q: Where is the filling portion of the valve?: Along the stem to find, stem into the valve can not see, invisible place, here is the filler. Popular bar!

Q: What does the whole copper valve mean?: Except the handwheel, all the material of the valve body is copper

Q: A kitchen, 2 bathrooms, in addition to the toilet, toilet (only cold water), the rest need hot and cold water supply, and hot water by solar water heaters and gas water heater selection. The kitchen is mainly a sink, each toilet for toilet, shower, washbasin, separate cold water faucet. I don't know how many metal materials I'll use now Thank youThe waterways are all dark!: Landlord water and electricity installation? If you ask the water electrician to install it, you don't need to worry about it so much. You can wait for water electrician to install the hot and cold water pipe in place. We can count on you here.

Q: The customer sent an inquiry sheet, in which check valve DE50, balance valve DE25, stop valve DE75, and I want to know what de stands for, because the price of plastic and cast iron is different. What does de usually mean in the industry?: Nominal diameter (nominal, diameter), also known as the average diameter (mean, outside, diameter).The tube is thin from the metal tube, and the outer diameter of the tube is almost the same as the inner diameter of the tube, so the average value of the outer diameter of the tube and the inner diameter of the pipe is called the diameter.De is the nominal diameter, that is, the outer diameterGenerally speaking, from small to large specifications are as follows de (mm)De20, de25, de32, DE40, de50, de63, de75, de90, de125, de110De160 de200 de250 de315...... Until de800

Q: What are the advantages and disadvantages of this method? Are there any other ways to adjust the flow rate?: This is the most widely used method of regulating flow, while protecting pumps and motors. The general classical installation method is as follows: the pump outlet is equipped with a vibration reduction joint, and then a gate valve control switch, and then install a multi-function water pump valve to adjust the flow.

Q: In the decoration, I do not know where to get the valve, what kind of products should be bought?It is hard to fit the valve in the water inlet of the house. If not, can you? Will it have any effect on future use?: In fact, do not worry about this, decoration master need to use when you will list. In fact, the gas pipeline with copper ball valve, toilet faucet and angle valve, heating and water heater with angle valve, washing machine faucet.Inlet pipe, developers generally only one master valve. If you can, in the kitchen, toilet, these commonly used water where the water inlet valve is also installed, if the pipeline is out of question, you can turn off, do not turn off the main valve. Does not affect other places water, also easy to overhaul, hoped can help you.

Q: The valve has a clear opening and closing sign. What does this sentence mean?: In the hand wheel or valve placed on the signs, the contents of the device name, switch direction and so on.

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: How to open the gas valve with drawings: It's different from place to place. Some are pulled out half, and some are pulled out. Third: in the following there is a black disk like thing, commonly known as the gas sound core. This one is the same as the second one, half or all

Q: Name: valve actuatorFunction: control valve switch by controlling air flow sizeIntended classification commodity code: 8412310090 (other linear acting pneumatic power unit, pressure cylinder)Shanghai Pudong Airport customs change classification: 84123900 (other pneumatic power unit)Commodity code information given by China Customs official network: 8412310090 (actuator, valve parts, valve actuation, pneumatic)Our goods encoding 8412310090 is classified to the Shanghai Pudong Airport customs dismissed, there are no friends of this commodity encoding on the official website of the detailed specifications defined, I Secretary in accordance with the valve function into 8412310090 encoding. Thank you: 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

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