STEAM VALVE

摘要

A steam valve of an embodiment includes a casing, a valve rod, a valve element, and a valve seat. At the casing, the steam flows from an inlet into an inner space, and flows out of an outlet. The valve rod is accommodated in the inner space. The valve element is coupled to the valve rod at the inner space. The valve seat is fixed to the casing at the inner space, and includes a part where the valve element is in contact by moving together with the valve rod along an axis of the valve rod. Each of the valve seat and the casing includes a plane facing via a gap at a downstream side than a part where the valve seat and the valve element are in contact at the inner space. The valve seat has a cover part which covers the gap at the inner space.

主权项

1. A steam valve adjusting a flow rate of steam, comprising:
a casing where the steam flows from an inlet into an inner space and flows out of an outlet; a valve rod accommodated in the inner space; a valve element coupled to the valve rod at the inner space; and a valve seat fixed to an inner peripheral surface of the casing at the inner space, and including a part where the valve element is in contact by moving together with the valve rod along an axial direction where the valve rod extends, wherein each of the valve seat and the casing includes a plane facing via a gap at a downstream side than a part where the valve seat and the valve element are in contact at the inner space, and the valve seat has a cover part which covers the gap at the inner space.