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进口活塞式双向硬密封旋球阀美国阿卡迪亚品

进口活塞式双向硬密封旋球阀美国阿卡迪亚品

【专用名称】

价格:

--

品牌:

凡而阀门

备注:

18888

凡而阀门

  • 厂家名称:上海凡而阀门有限公司
  • 经营模式:生产厂家(已认证)
  • 联系人   :苏生
  • 联系方式:139**** **** 登录可见
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进口活塞式双向硬密封旋球阀美国阿卡迪亚品牌


进口活塞式双向硬密封旋球阀Product Description: The utility model comprises a valve body, a valve seat, an upper valve stem, a lower valve stem and a valve core. The contact between the valve core and the valve seat forms an included angle of 90 ° relative to the valve seat surface. A first sealing ring is arranged between the valve seat and the valve body, a concave part is arranged on the side close to the valve body, a retaining ring is detachably and fixedly connected at the sealing surface of the valve seat close to the valve seat, a step is arranged on the valve body close to the top of the valve body, and a shoulder matched with the step is arranged on the upper valve stem, A packing cover is arranged in the valve body located above the shoulder and close to the top of the valve body, several packing rings are arranged in the packing cover, and a spherical surface is arranged at one end of the lower valve stem close to the valve seat. The two-way seal is ensured through the fit between the valve seat and the first sealing ring and the fit between the concave part of the valve seat and the valve body. 进口活塞式双向硬密封旋球阀ble scraper, which can remove the scale on the valve core during use. characteristic: Three eccentric multi-level butterfly valve, but the reverse pressure bearing capacity of this valve is relatively poor, so we think of using rotary ball valve. The rotary ball valve not only has the functions and advantages of butterfly valve, hemispherical valve, gate valve and stop valve, but also has its own unique powerful functions and advantages. The rotary ball valve can be reliably shut off not only in the forward pressure, but also in the case of reverse pressure or reverse pressure far greater than the forward pressure. However, the existing rotary ball valve is used for a long time, the friction of the valve stem increases, the surface of the valve core is easy to scale, and the valve seal is easy to wear, which will affect the opening, closing and sealing of the valve. Principle: The piston type double scraper bidirectional hard sealing rotary ball valve comprises a valve body, a valve seat, an upper valve stem, a lower valve stem and a valve core. The contact between the valve core and the valve seat forms an included angle of 90 ° relative to the valve seat surface. A first sealing ring is arranged between the valve seat and the valve body. The valve seat is provided with a concave part on the side close to the valve body, and the valve seat is detachably and fixedly connected with a retaining ring near the sealing surface of the valve seat, The side of the retaining ring facing the surface of the valve core is provided with a number of recesses so that the surface is serrated. A step is arranged on the valve body close to the top of the valve body, a shoulder matched with the step is arranged on the upper valve stem, a packing cover is arranged in the valve body above the shoulder and close to the top of the valve body,进口活塞式双向硬密封旋球阀 a number of packing rings are arranged in the packing cover, a spherical surface is arranged at one end of the lower valve stem close to the valve seat, and a self-lubricating adjusting pad in contact with the spherical surface of the lower valve stem is arranged on the valve seat, The surface of the self-lubricating adjusting pad facing the spherical surface of the valve rod is provided with a composite coating, and the valve body close to the upper valve rod and the lower valve rod is respectively provided with a second sealing ring matched with the upper valve rod and the lower valve rod.

(仅供参考)


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