Licky IS-213-214 Iran Shir

Gas valve is the same as Ball Valve & nbsp; due to the rapid performance of this type of valve in the open and fastened valve, these valves are most used in They have gas tubes, so they are more commonly called & zwnj; Gas valve has an on/off & nbsp function, meaning that the valve is either completely open or completely closed. The way this milk works is & zwnj; a ball inside the lion's body is located in the fluid path and prevents the flow of fluid flow. If the ball is in parallel to the fluid path or if the lever of the gas valve is along the milk, the milk is open and if the lever batch 90 & nbsp; Rotate the grade & nbsp; and in the opposite of the flow path, the valve is closed.

Disadvantages of gas valve

• gas valve disadvantage is to trap the water in the center of the body when closing the milk. Under frost conditions, the closed milk is closed to prevent injury & zwnj; two solutions suggesting two solutions, including the use of insulation or the use of ice -resistant plugs & zwnj;
• These valves lose their excellent control in operations & zwnj;