Leakage is the easiest failure of regulating valve during operation. Some leak at the welding place, and some leak at the sealing place of the stuffin...
The low temperature valve is installed at normal temperature and works at low temperature, with a wide range of temperature variation. If the design a...
Before closing the throttle valve, the conditions for closing the valve should be created: the liquid oxygen liquid level is close to the normal liqui...
Before the automatic valve is installed in the automatic valve box, it must be disassembled and washed clean, and the oil must be removed with clean a...
1. Valves in cold box shall be installed after all vessels are in place and before pipeline installation. 2. The cold valve in the cold box shall b...
Such failures include "cooling leakage" and freezing of valve packing, leakage of valve seat and pipe connecting flange, and leakage of valve screw sl...
Switching valve (forced Valve) is a pneumatic switching valve installed on the hot end of switching heat exchanger (or cooler. The switch of the switc...
1) cleaning method welding slag, rust, slag and so on in the pipeline will be blocked or stuck in the throttle, guiding position and the balance hole ...
Minimum reflux ration and maximum reflux ration...
Pressure test before valve installation 1. In the warranty period, those with the certification and the sealing surface is intact can no longer con...
