A blow molding device for forming hollow bodies, in particular equipment of a stretch blow molding machine, comprises: a housing block with a through hole; at least one valve having a movable piston and a valve space; a first passage extending in the housing block and connecting the valve space with the through hole; a second passage connecting the valve space with an external pipeline; and a cover for fastening the valve to the housing block. The valve connects the first passage and the second passage to each other and separates the first passage and the second passage from each other. The second passage extends at least partially in the cover, and/or at least part of the valve space is arranged in the cover and surrounds the piston. The equipment is small and compact, and the valve can be easily replaced.
Country Code: CH
Application Number: CN202210452552.0
