-
公开(公告)号:US4658978A
公开(公告)日:1987-04-21
申请号:US747959
申请日:1985-06-24
申请人: Morio Ikematsu , Tohru Wada , Tohru Nakanishi , Nobuo Ishigami
发明人: Morio Ikematsu , Tohru Wada , Tohru Nakanishi , Nobuo Ishigami
CPC分类号: F16K27/067 , Y10T137/6116
摘要: A top entry ball valve is proposed which has a valve body formed with a valve chamber, a valve mounted in the valve chamber, a seat ring at the low-pressure side, and a seat ring assembly having another seat ring, a belleville spring and a seat ring holder at the high-pressure side. The seat ring assembly can be easily mounted into and removed out of the valve chamber by use of a clamp while comprising the belleville spring. The clamp comprises a pair of clamping pieces fastened together with a bolt.
摘要翻译: 提出了一种顶进球阀,其具有形成有阀室的阀体,安装在阀室中的阀,在低压侧的阀座环,以及具有另一个阀座环,贝氏弹簧和 高压侧的座圈保持架。 座圈环组件可以容易地通过使用夹具安装到阀室中并从壳室中移除,同时包括贝氏弹簧。 夹具包括一对用螺栓紧固在一起的夹紧件。