According to the different national standards are divided into: gate valve, gate valve, gate valve, American Standard DIN JIS gate.
According to the way of valve connection is divided into: flange gate valve, welding gate valve, thread gate valve (also divided into internal thread, external thread).
According to the pressure level of the valve is divided into: high pressure gate valve, low (middle) pressure gate valve.
According to the driving way of the valve is divided into: electric gate valve, pneumatic gate valve, manual gate valve.
In order to facilitate procurement, valves are divided into 46 categories, as follows:
Electric valve, pneumatic valve, manual valve, gate valve, gate valve, high temperature and low temperature heat insulation valve, high pressure valve, low pressure valve, gate valve, knife gate valve, wedge gate valve, soft seal gate valve, stainless steel valve, forged steel valve, cast steel valve, gate valve, gate valve, cast iron, carbon steel, copper valve, bellows valve fluorine valve, API valve, power station valve, gate valve, gate valve, flange welding screw valve, valve seat seal, valve seal, valve, wire rod valve, gate valve, dark bar gate, spiral bevel gear valve, gate valve, gate valve, gas welding slag discharge valve, plunger valve, water valve, pound gate valve, vacuum isolation valve, seal gate valve, gate valve, gate valve, gate valve, American Standard DIN standard valve, gate valve, gate valve and other imported.