The steam valve is used on the medium pipe of the steam, type Y. The steam valve is also called the y-type globe valve, pneumatic Angle seat valve, air control Angle seat valve. Steam valve (hereinafter called Angle seat valve) to keep the velocity can save space, it USES a single function pneumatic actuators with spring security to manipulate the steering Angle seat valve, when used, should choose the normally open or normally closed.
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