A retainer is coupled to the valve plug and includes a body having a first portion, a second portion, and a side extending from the first portion to the second portion at one of an angle of about 30 degrees to about 45 degrees. So configured, the stress acting on the sealing surface ...
A retainer is coupled to the valve plug and includes a body having a first portion, a second portion, and a side extending from the first portion to the second portion at one of an angle of about 30 degrees to about 45 degrees. So configured, the stress acting on the sealing surface ...
PURPOSE:To facilitate fabrication and maintenance and to assure high airtightness by providing a projecting part at the passage part of a valve seat formed through molding from metal. CONSTITUTION:A projecting part 5 of a valve seat 4 is intruded in the passage part 2 of the body 1, where ...
a• a parabolic plug, which, in combination with the seat, • 一个抛物面插座,与位子,[translate] a他正在写作业 He is writing the work[translate] a• metallic seal between valve plug and seat - • 金属封印在阀塞和位子-[translate]...
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Manually Operated Plug Valve Installation When installing plug valves, care should be taken to allow room for the operation of the handle, lever, or wrench. The manual operator is usually longer than the valve, and it rotates to a position parallel to the pipe from a position 90° to the ...
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RF Flange Cast Steel WCB/SS304/SS316 Soft Seat Lined Plug Valve Conform to API 6D, API 599, and ASME B16.34. They are tested according to API 598, and marked as per MSS SP-25 1. Construction is as follows: Flanged Ending Sleeve Type Sealing Plug Valve 150...
passages to close the gate valve, the upstream pressure shifting the plug seat in the gate against the flat surface of the downstream seal plate to provide a metal-to-metal seal thereagainst, supplemented by a seal ring on the plug seat sealing against the gate and the downstream seal plate...
Seat for rotary plug valve 来自 掌桥科研 喜欢 0 阅读量: 20 申请(专利)号: US19450579795 申请日期: 1945-02-26 公开/公告号: US2628809A 公开/公告日期: 1953-02-17 申请(专利权)人: THE DOLE VALVE COMPANY 发明人: MP Lawrence 被引量: 34 ...