Q:What does 3/4''mean in the name of the valve?

Upstairs answer is very clear, 3/4 refers to the caliber of the valve is 3/4 inches, equal to the national standard DN20, (20mm) commonly known as 6 points. The most common family is 1/2, equal to DN15, commonly known as 4 points. Another marked 1.6 refers to the pressure of 1.6Mpa., equal to 16Kg, to bear the pressure.

Q:What are the valves at home?

Valve used in the family is commonly used, the following are several:On the water pipe are: total table of the ball valve (32mm), in charge of the (25mm), as well as for the toilet, washbasin, water heater angle valve (20mm).Other commonly used gas pipelines, valves, pressure reducing valves and the like.

Q:How about the valve?

In 1998 began the formal production of valves. As the company expanded in size, in September 2003, changed its name to the British HV VALVES LIMITED (HUDDERSFIELD), referred to as the United kingdom. The design and production of various types of valves, widely used in power, oil, chemical, offshore platforms and other fields, with its excellent quality and service to win the praise of the vast numbers of users.

Q:According to the original valve installed on it, but never demolished, I am afraid to force over, will not be broken? The old valve, that part of the remaining three tubes tight.

Look, the valve you bought looks like PVC hot melt.. If the old valve and the elbow must be rejected with a hacksaw, hot melt and buy a new elbow and PVC section pipe for hot melt machine welding. From the picture didn't see traces of the thread,

Q:What does the 4 point valve mean?

The caliber is DN15's valve. What valves do you need?

Q:What items and detailed procedures should be inspected for valve size inspection?

Internet access can be downloaded, such as free standards to share and download sites. If you need any other valve standard, send me the mailbox.

Q:and today the boss told me that I would like to do a valve of the commodity inspection information, and nothing else to me, which master taught meI am a professional intern, our company is doing the valve outlet, today my boss asked me to do a valve inspection data, what other data are not for me, which foreign trade master teach me ah, depressed ah ah ah???

First of all, you have to check the HS encoding of your product.The corresponding HS code will have a regulatory condition followed by different regulatory conditions that mean different procedures (or certificates), such as what you call "B".What aspects must be examined in commodity inspection?Different products to implement different inspection and quarantine methods, the general is to do a customs clearance on the OK. The products you mentioned above may not need to do customs clearance (see what kind of valve you are, so you'd better check the conditions again)Is commodity inspection agent or business enterprise? Do you need to check every export?Generally not many agents are on the line, and if the HS regulatory conditions have to do customs clearance, then each time to do.Is there any standard or basis for inspection? Where can I find out the knowledge in this area?

Q:What's the valve specification DN20?

Valve specification DN20 is 6.The inches in the valve refer to inches, 1 inches =25.4mm, and 1 inches =7.62 cents.The corresponding relation between inch and DN and mm is:4 is divided into corresponding caliber DN15, that is, diameter 15mm;6 is divided into corresponding caliber DN20, that is, diameter 20mm;1 inches for the corresponding caliber DN25, that is, diameter 25mm;1.2 inches for the corresponding caliber DN32, that is, diameter 32mm;1.5 inches for the corresponding caliber DN40, that is, diameter 40mm;2 inches for the corresponding caliber DN50, that is, diameter 50mm;2.5 inches for the corresponding caliber DN65, that is, diameter 65mm;3 inches for the corresponding caliber DN80, that is, diameter 80mm;4 inches for the corresponding caliber DN100, that is, diameter 100mm;5 inches for the corresponding caliber DN125, that is, diameter 125mm;6 inches for the corresponding caliber DN150, that is, diameter 150mm;8 inches for the corresponding caliber DN200, that is, diameter 200mm;10 inches for the corresponding caliber DN250, that is, diameter 250mm.

Q:What is the flow medium of the valve?

Just like the one in your bottle, then the medium in your bottle is water

Q:Valve difference

Valve difference, or you should ask the classification of valves, valve classification, there are several sub methods, some according to the model, and some are by use, then each kind of valve is divided into several categories and models. Take the trap for example, it is a kind of valve, and then it is divided into steam traps, air traps, float traps, and so on. If you really want to know the difference between the valve you search the Internet under the classification of the valve, there are a lot of articles, or you directly to the trap inside www.ssfmsh find an article on the valve type article, can not give you a specific address, is not allowed here. You work hard, go find kazakhstan. I hope my answer will be helpful to you.