CPC F16K 3/316 (2013.01) [F16K 3/0227 (2013.01); F16K 27/044 (2013.01); F16L 21/065 (2013.01); F16L 21/08 (2013.01); F16L 55/105 (2013.01)] | 19 Claims |
1. A gate valve comprising:
a valve body capable of closing a flow passage by being inserted between a pair of fluid pipes;
a valve cage disposed between the pair of fluid pipes and accommodating the valve body; and
a sealing band configured to cover between the pair of fluid pipes and the valve cage under a sealed state;
the valve cage including a pair of protruding tubular portions protruding from a body of the valve cage in a pipe axis direction of the fluid pipes; and
the sealing band including a pair of main body portions and a connecting portion connecting the pair of main body portions and formed unitarily therewith, the sealing band being constituted of a plurality of split members split in a circumferential direction of the fluid pipes, the pair of main body portions covering the respective fluid pipes and the protruding tubular portions under a sealed state, the connecting portion being opposed to a lateral face of the valve cage body extending along the pipe axis direction.
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