Standard Number: NB/T 42070-2016(NB/T42070-2016)
Chinese:螺杆膨胀机 与被驱动件机械连接尺寸
English:Screw expander Dimensions of the mechanical connection with the driven part
Effective Date:2016-12-01
Standard Applicability:This standard specifies the working fluid for the steam-water mixture (vapor-liquid two-phase) saturated steam or superheated steam and non-water low-boiling point of the working fluid screw expander and the driven parts connected to the axial extension of the structural form, axial extension of the dimensions and tolerances, the key groove symmetry tolerances and selection requirements
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