| 摘要 |
An explosion vent installation for a closed space comprising a door swingably mounted for outward movement. An elongated pressure collapsible pin is supported at one end, by an arm end portion overlying the door edge portion opposite its hinges and in the direction of the door opening movement. The other end of the arm is pivotally connected with a pin supported body mounted on a door jam. The pin is supported at its other end by a pin support bolt in the pin support body. The arm is moved in a pin collapsing direction by the door opening in response to excess pressure above a predetermined value in the space monitored.
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