Classification of the gas valve

 gas valveversatility, variety, classification more. The total can be divided into two categories:
 The first automatic valve: to rely on the ability of the gas itself and self-acting valve.
 Such as check valves, control valves, pressure reducing valves and the like.
 The second category actuated valves: With manual, electric, pneumatic valves to manipulate the action. Such as gate valve, Bbq Gas Valves throttle, butterfly, ball, plug and so on.
 In addition, the valve classification there are several ways:
 According to the structure characteristics, in accordance with the closure member relative to the direction of movement of the seat can be divided into:
 1. The cross-sectional shape door: closed member moves along the seat center.
 2. Gate shape: Close the valve seat member is moved along the vertical center.
 3. cock and ball: closure member is a plunger or ball, rotating around the center line itself.
 4. Swing shape: Close the valve seat member around the outside of the shaft.
 5. disc: Close the disc member around the axis of rotation of the valve seat.
 6. spool-shaped: the closure member in a direction perpendicular to the sliding channel.