This standard specifies the type, basic parameters, technical requirements, test methods, inspection rules, signs, packaging, storage and transportation requirements of hydraulic hoist (hereinafter referred to as hoist). This standard applies to the manufacture and acceptance of hoists that use mineral oil as the working medium and adopt hydraulic transmission to open and close the gates and valves of water conservancy and hydropower projects.
GB/T 14627-2011 Referenced Document
GB 4208 Degrees of protection provided by enclosure(IP code)
GB 5226.1 Safety of machinery--Electrical equipment of machines--Part 1: General requirements*, 2019-06-04 Update
GB/T 11352 Carbon steel castings for general engineering purpose
GB/T 1176 Casting copper and copper alloys*, 2013-09-18 Update
GB/T 1184 Geometrical tolerancing--Geometrical tolerance for features without individual tolerance indications
GB/T 1226 General pressure gauge*, 2017-12-29 Update
GB/T 3766-2001 Hydraulic fluid power--General rules relating to systems
GB/T 5777 Automated full peripheral ultrasonic testing of seamless and welded (except submerged arc-welded) steel tubes for the detection of longitudinal and/or transverse imperfections*, 2019-06-04 Update