| 摘要 |
A gate valve seat ring retainer particularly for a non-ported gate valve comprising an annular seat ring mountable in a seat pocket around the flow passageway in a gate valve body. A recess in the valve body opens into the flow passageway in a spaced relation to the seat pocket. An elongated retainer extending in the flow passageway has one end portion secured to the seat ring and the opposite end portion engaged in the recess to hold and retain the seat ring in place in the gate valve body. |
