发明名称 GATE VALVE
摘要 A gate valve and a method for making a gate valve for use with abrasive fracturing fluids, include provided enlarged spaces in the gate valve body wherein sand or other debris from the fracturing fluid may accumulate without affecting the operation of the gate of the gate valve.
申请公布号 US2011140027(A1) 申请公布日期 2011.06.16
申请号 US20100966704 申请日期 2010.12.13
申请人 PARKS GLENN C 发明人 PARKS GLENN C.
分类号 F16K3/00;B21K1/20 主分类号 F16K3/00
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