SL 491-2010
Series parameters for hoist with screw stem (English Version)

Standard No.

SL 491-2010

Language

Chinese, Available in English version

Release Date

2010

Published By

Professional Standard - Water Conservancy

Status

Be replaced 2019-01

Replace By

SL 41-2018

Latest

SL 41-2018

Replace

SD 297-1988

Scope

This standard specifies the series parameters of screw hoists, which are suitable for screw hoists that open and close small and medium-sized gates in water conservancy and hydropower projects.

SL 491-2010 history

• 2018 SL 41-2018 Design specifications for hoists for water conservancy and hydropower projects
• 2010 SL 491-2010 Series parameters for hoist with screw stem

SL 491-2010 Series parameters for hoist with screw stem has been changed from SD 297-1988 Series parameters for QL hoist with screw stem.

SL 491-2010 Series parameters for hoist with screw stem was changed to SL 41-2018 Design specifications for hoists for water conservancy and hydropower projects.