Steam cooler water injection regulating valve - incorporates stroke valve with paraboloid throttle and further stage apertured hollow throttle slide valve

摘要

The single spindle, multi-staged control valve is for injecting cooling water in a steam cooler and steam conversion valves for temp. control. The first stage comprises a stroke valve (20) with a paraboloid-shaped throttle piece, whilst the radiation stage comprises a slide valve (3) with a hollow cylindrical throttle piece, the cover part of which is provided with throttle holes (5) arranged on or more winding lines. - The valve itself comprises a housing (1) and a rod (4) the latter operating the throttle piece (2) and the slide valve