According to the channel direction, globe valves such as Gost Globe Valve are divided into many types:
1. Straight through type stop valve
Medium on the import and export channels in the same direction, in 180 °, the flow state of less damage, loss of pressure across the valve is relatively small.
2. Straight flow stop valve
The stem and channel are at an Angle, the seat sealing face and the inlet and outlet channels are at an Angle, and the flow direction is almost unchanged. Suitable for piping with coking and solid particles.
3. Angle globe valve
Medium on the import and export channel is not in the same direction, in 90 ° Angle, will produce a certain pressure drop, the biggest advantage is that can be installed in the corner of pipeline system, the elbow, saving and convenient operation.
Same reason, according to certain standard differentiate, Check valve such as Gost Check Valve also can have a lot of kinds.
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