Tag Archives: Stainless steel ball valve

Abstract: The seal structure was discussed about stainless steel spherical valve, the factors of the key seal structure and the seal material of spherical valve that affected the sealing and using performance and the reliability was analyzed, and the combination seal structure of distensible circle and labial structure of PTFE was proposed.

Keywords: Spherical valve; Seal structure; Combination seal structure

Ball valve with its well-known, widely used in various pipeline systems quickly cut off, change the media flow and control, can use manual, electric or pneumatic drive means. Figure 1 shows a typical valve structure (not to consider drive mode).

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