| 摘要 |
Ball valve housing comprises a housing section (1) having a neck (5) forming an opening for a switching shaft next to a connecting support (3) and a housing section (2) with an annular protrusion (9) welded to the housing section (1). Preferred Features: The housing sections are cast or forged parts. A single welding seam is provided in the main power flow. The housing sections form a ball-like base body or a cylindrical base body. The base body tapers conically in the direction of the connecting support. |
