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?

Back valve, DE50 balance valve, DE25 stop valve, DE75, what do you mean by "de"?Diameter DEThe diameter of a general plastic tube is indicated by DE in EngineeringNominal diameter is the size of all piping accessories in the piping system. The nominal diameter is a convenient round integer for reference and is not strictly related to the processing size. The nominal diameter follows the letter "DN" followed by a number sign.

Q:HH valve company in the United Kingdom, how about the valve?

Our factory boiler has this brand of valve, used for many years, has been no problem, really good.

Q:1. What does valve 13Cr&FHF mean? 2, valve WC6 (F11) what does that mean? 3. What does valve P280GH mean? 4. What does valve A335P22 mean?Thank you

1. What does valve 13Cr&FHF mean? 2, valve WC6 (F1113Cr&FHF WC6 body material

Q:What should be checked before using the valve?

The valve must be tested before installationI. examination of documentsThe valve must check the quality documents before installation, the valve manufacturer should be nameplate, nameplate and the body should be the name of the manufacturer, valve type, nominal pressure, nominal diameter and logo, must comply with the "universal valve logo" GB 12220.Two, appearance inspection

Q:How can you replace the other valve when the main valve is not closed and no water is stopped?

You really want to go to the big water to fix the valve and be prepared for the follow-up, just in case

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.

General domestic weather is more ball valve, counterclockwise turn 90 degrees can.

Q:What does the ZH41 valve ZH41 mean, and what other specifications?

Is the model wrong? The correct one should be Z41HGate valve, hand flange connection name, rod type single gate, sealing surface is alloy steel

Q:How to find all kinds of mysterious valves of human body?

Many cell signal channels have been found, and if you can find each signal, the channel will be almost the same. That's the mysterious valve you want, but it's hard.

Q:What valve is the DN 25?

That is, the inner diameter of the valve is 25 millimeters

Q:What's the difference between a valve and a valve?

In fact, the difference is that a set of valves, including two flanges, bolts, flange pad belongs to a set. A valve just doesn't carry those things.