Q:The valve has a clear opening and closing sign. What does this sentence mean?

Not only on the valve is enough to mark, here means that at the scene can see the installation of the pipe network on the valve open or shut?!

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:In the fire drawing, what valve does the following valve represent?

Are you in the sprinkler system? Signal valve and alarm valve

Q:Is there any problem with connecting the geothermal valves with other geothermal pipes?

Yes, as long as it's all PPR's.Material is the same, the fuse will not cause shrinkage when you can use

Q:The low pressure in our factory is below 1.6Mpa, medium pressure is 2.5-6.4MPa, high pressure is 10-80MPa.Where's qusetion:1.6-2.5Mpa??? Which section does it belong to?. I think many of them are defined on the Internet But I didn't say, where's 6.4-10Mpa?

Low high is just a general statement, such as the height, there is no clear distinction between what theNow the pressure piping fittings design is specific to the pressure value, not to say that the place to install a medium pressure valve.The pressure piping is generally classified according to the pressure, and the valve can be distinguished by this.Of course, you say 2 of the medium pressure valve is also OK, belong to the low-pressure valve, no one was investigatedBy pressure:1 、 low pressure pipeline engineering pressure less than 1.6MPa;2 、 medium pressure pipeline engineering pressure 1.6-6.4MPa;3 、 high pressure pipeline engineering pressure 6.4-10MPa;4 、 super high pressure pipeline engineering pressure 10-20MPa.

Q:What kind of industry does valve belong to?

The valve belongs to the equipment of the mechanical pipe, to be exact, belongs to the instrument and meter

Q:How to open the gas valve with drawings

1, according to the routine, now the handle position shows that the valve is open.2, if the handle rotated 90 degrees, the gas pipeline gas has no change, should be the stem slipped, can not drive the valve ball rotation. Try rotating several times. If it still doesn't work, ask a professional to check it out.

Q:What does the whole copper valve mean?

The whole valve is made of copper material. In addition to the ceramic core.

Q:What valve is the DN 25?

This is only the aperture of the valve. It does not represent the form of the valve.

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

The valve does not have an Ethernet platform, and the "one" valve does not contain any other fittings.