Standards

HG/T 21581-2012 Instrument Hook-up

Publish Date: 2012-05-24

HG/T 2866-2016 Rubber fender

Publish Date: 2016-01-15

HG/T 21574-2018 Standard for design and selection of chemical equipment lifting lugs

1.O.1 In order to ensure the safety of chemical equipment during the lifting process and to design and select lifting lugs reasonably, this standard is formulated. 1.0.2 This standard applies to the selection of materials, design, manufacture, inspection, and acceptance of lifting lugs for steel chemical equipment and its components during equipment lifting. 1.O.3 This standard specifies the classification, type code, dimensions, materials, technical requirements of lifting lugs used for lifting chemical equipment or chemical equipment components, as well as the verification and calculation of chemical equipment during lifting. 1.O.4 The selection of materials, design, manufacture, inspection, and acceptance of chemical equipment lifting lugs shall comply with this standard and the provisions of the current relevant national standards.

Publish Date: 2018-04-30

HG/T 2028-2009 N-methylformanilide, industrial grade

Publish Date: 2009-12-04

HG/T 20721-2021 Design specifications for concentrated saltwater evaporation ponds

Publish Date: 2021-05-17

HG/T 20201-2017 Code for lifting of chemical engineering construction

In order to improve the level of lifting and hoisting in chemical engineering construction and ensure that the lifting and hoisting work is safe, reliable, technologically advanced, and economically reasonable, these standards are formulated

Publish Date: 2017-04-12

HG/T 3156-2000 High pressure - angle stop and throttle valves for urea

Publish Date: 2000-06-30

HG/T 21599-2014 Lining stainless steel vertical hanging cover manhole

In order to standardize the design of vertical hanging cover lined with stainless steel manholes, reduce repetitive design work, and ensure the product quality of vertical hanging cover lined with stainless steel manholes, this standard is hereby formulated

Publish Date: 2014-07-09

HG/T 3778-2005 Technical regulations for chemical cleaning and prefilming of cooling water system

Publish Date: 2005-07-10

HG/T 2902-1997 Molding Poly tetrafluoroethylene resin

Publish Date: 1997-05-23

HG/T 3950-2007 Antibacterial coating

Publish Date: 2007-07-20

HG/T 2250-1991 Ferric oxide black

Publish Date: 1991-11-12