Why is the valve with a lock?
Valves for fluid control systems, ranging from the simplest shut-off valves to a variety of valves used in extremely complex control systems, with a wide variety of specifications and specifications. Valves can be used to control the flow of various types of fluids such as air, water, steam, corrosive media, mud, oil, liquid metal and radioactive media.
Valve (famen) is a fluid control system in the control unit, with cut-off, regulation, diversion, to prevent backflow, regulator, shunt or overflow pressure and other functions.
Valve lock is generally to prevent operational errors, or in the wild, to prevent others from casually open or closed.
Valves are also divided into cast iron valves, cast steel valves, stainless steel valves (201,304,316, etc.), chrome molybdenum steel valves, chrome molybdenum vanadium steel valves, dual phase steel valves, plastic valves, non-standard custom valves The
