GB 50646-2020 Active National standards force_standard

GB 50646-2020 Technical standard for specialty gas system engineering

GB 50646-2020 Technical standard for specialty gas system engineering

Publish Date: 2020-02-27 Implement Date: 2020-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB 50646-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: yes

CCS Name: Electronics manufacturing engineering

ICS Name: Electronic components comprehensive

Publish Date: 2020-02-27

Implement Date: 2020-10-01

Pages: 78 pages

Scope

In order to implement the current national laws and regulations in the engineering design, construction, and acceptance of special gas systems and supporting equipment in electronic industry factories, meet the requirements of product production, ensure personal and property safety, achieve safe application, advanced technology, environmental protection, energy conservation, and economic rationality, this standard is formulated. This standard applies to the design, construction, and acceptance of new, modified, and expanded special gas systems in the electronic industry. This standard does not apply to the engineering design, construction, and acceptance of special gas production, purification, and filling equipment and supporting devices. The design, construction, and acceptance of special gas systems shall comply with the provisions of this standard, as well as the relevant national standards currently in force.

Development Information

Pages: 78 pages

Replace the following standards

GB 50646-2011

Referenced Standards

GB 18218-2000 Identification of major hazard installations GB 18218-2009 Identification of major hazard installations for dangerous chemicals GB 18218-2018 Identification of major hazard installations for hazardous chemicals GB 50016-2014 Code for fire protection design of buildings GB 50057-2010 Code for design protection of structures against lightning GB 50058-2014 Code for design of electrical installations in explosive atmospheres GB/T 50081-2019 Standard for test methods of concrete physical and mechanical properties GB 50140-2005 Code for design of extinguisher distribution in buildings GB 50184-2011 Code for acceptance of construction quality of industrial metallic piping GB 50222-2017 Code for fire prevention indesign of interior decoration of buildings GB 50222-1995 Code for Fire Prevention in Design of Interior Decoration of Buildings GB 50231-1998 General code for construction and acceptance of mechanical equipment installation engineering GB 50231-2009 General code for construction and acceptance of mechanical equipment installation engineering GB 50235-2010 Code for construction and acceptance of industrial metallic piping GB 50236-2011 Code for construction and acceptance of field equipment, industrial pipe welding engineering GB 50316-2000 Design code for industrial metallic piping GB 50683-2011 Code for acceptance of field equipmemt,industrial pipe welding construction quality GB 50974-2014 Code of design on fire protection water supply and hydrant systems GB/T 14976-2002 Stainless steel seamless tubes for fluid transport GB/T 14976-2012 Seamless stainless steel pipes for fluid transport HG/T 20570.1-1995 The determination of design pressure and design temperature for equipment and piping systems HG/T 20570.2-1995 The setting and selection of safety valves HG/T 20570.3-1995: The Setting and Selection of Explosion-Resistant Glass Panes HG/T 20570.4-1995 Pump and Compressor Pressure Difference Analysis HG/T 20570.5-1995 Pump system characteristic calculation and determination of relative installation height of equipment HG/T 20570.6-1995 Pipe diameter selection HG/T 20570.7-1995 Calculation of Pipeline Pressure Drop HG/T 20570.8-1995 Gas-liquid separator design HG/T 20570.9-1995 Calculating pressure loss for in- and out-pipe ports of equipment HG/T 20570.10-1995 Process system professional noise control design HG/T 20570.11-1995 The selection of insulation and thermal insulation types HG/T 20570.12-1995 Flame system setup \nHG/T 20570.13-1995 - The Setup of Public Material Stations \nHG/T 20570.14-1995 Setting up of Personal Protective Emergency Systems HG/T 20570.15-1995 The setting of a restrictor plate for the pipeline HG/T 20570.16-1995 Gas seal setting \nHG/T 20570.17-1995 Setting of Liquid Sealing \nHG/T 20570.18-1995 Setting of valves \nHG/T 20570.19-1995 Setting up of fire arresters \nHG/T 20570.20-1995 Setting up a static mixer \nHG/T 20570.21-1995 Setting of Steam Traps \nHG/T 20570.22-1995 Setting of Pipeline Filters \nHG/T 20570.23-1995 Setting of Blind Plates HG/T 20570.24-1995 Instrumentation setup GB/T 14976-2025 Seamless stainless steel pipes for fluid transport

Related Standards

GB/T 4965-1985 Active

GB/T 4965-1985 Classification and designation for getter

Publish Date: 1985-02-28

GB/T 5076-1985 Replaced

GB/T 5076-1985 Measurement of the dimensions of a cylindrical component having two axial terminations

Publish Date: 1985-04-16

GB/T 5077-1985 Abolished

GB/T 5077-1985 Maximum case dimensions for capacitors and resistors

Publish Date: 1985-04-16

GB/T 5078-1985 Replaced

GB/T 5078-1985 Method for the determination of the space required by capacitors and resistors with unidirectional terminations

Publish Date: 1985-04-16

GB/T 5081-1985 Active

GB/T 5081-1985 Guide for the collection of reliability, availability and maintainability data from field performance of electronic items

Publish Date: 1985-04-17

GB/T 5839-1986 Active

GB/T 5839-1986 Rating systems for electronic tubes and semiconductor devices

Publish Date: 1986-01-29