GB 27790-2020 Active National standards force_standard

GB 27790-2020 City gas pressure regulator

GB 27790-2020 City gas pressure regulator

Publish Date: 2020-11-17 Implement Date: 2021-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 65.00

Basic Information

Standard Code: GB 27790-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: yes

CCS Name: Gas supply project

ICS Name: The facilities in the building

Publish Date: 2020-11-17

Implement Date: 2021-12-01

Pages: 52 pages

Scope

This standard specifies the terms and definitions, symbols, classification and marking, structure and materials, requirements, test methods, inspection rules, marking, labeling, user manuals, and packaging, transportation, and storage of gas pressure regulators for urban gas use (hereinafter referred to as pressure regulators).
This standard applies to pressure regulators with an import pressure not exceeding 10.0 MPa, an operating temperature range not exceeding -20°C to 60°C, with a lower limit not lower than the gas dew point temperature, and a nominal size not exceeding 400 mm, which are used to regulate the outlet pressure.
This standard does not apply to pressure regulators for bottled liquefied petroleum gas and pressure regulators for dimethyl ether.

Development Information

Word Count: 91 Thousand words Pages: 52 pages

Replace the following standards

GB 27790-2011 City gas pressure regulators

Referenced Standards

GB/T 15115-1994 Die casting aluminium alloys GB/T 15115-2009 Die casting aluminum alloys GB/T 15115-2024 Die casting aluminum alloys GB/T 17213.15-2005 Industrial-process control valves—Part 8-3:Noise considerations—Control valves aerodynamic noise prediction method GB/T 17213.15-2017 Industrial-process control valves—Part 8-3:Noise considerations—Control valve aerodynamic noise prediction method GB/T 20801.5-2006 Pressure piping code—Industrial piping—Part 5:Inspection and testing GB/T 20801.5-2020 Pressure piping code—Industrial piping—Part 5:Inspection and testing GB/T 20801.5-2025 Pressure piping code—Part 5:Hydrogen piping and pipelines GB/T 23934-2009 Hot coiled helical compression springs—Technical specifications GB/T 23934-2015 Hot formed helical compression springs—Technical Requirement GB/T 32249-2015 Aluminum and aluminum-alloy die forgings,hand forgings and rolled ring forgings—General specification GB/T 38343-2019 Technical specification for flange joints installation GB 50058-2014 Code for design of electrical installations in explosive atmospheres CJ/T 180-2014 Manually operated gas valves for gas installations of buildings CJ/T 335-2010 Slam-shut valves and relief valves for city gas HG/T 20592 HG/T 20615 JB/T 6440-2008 The valve is subjected to radiographic inspection of the pressure die-cast steel component JB/T 6440-1992 The valve is subjected to radiographic inspection of the pressure die-cast steel parts JB/T 7248-2008 Low-temperature Steel Casting for Valve Components Technical Specification JB/T 7248-2024 The technical specifications for low-temperature steel castings used in valves JB/T 7248-1994 The technical specification for low-temperature steel castings used in valves JB/T 7927-2014 The appearance quality requirements for valve cast steel components JB/T 7927-1999 The appearance quality requirements for valve cast steel parts JB/T 7944-2013 Sample inspection of cylindrical spring in accordance with JB/T 7944-2013 JB/T 7944-2000 Sample inspection of cylindrical spring according to JB/T 7944-2000 NB/T 47008-2017 Carbon steel and alloy steel forgings used in pressure equipment NB/T 47008-2010 Carbon and alloy steel forgings for pressure equipments NB/T 47009-2017 Low-temperature pressure-bearing equipment alloy steel for forging NB/T 47009-2010 Low-alloy steel forgings for low temperature pressure equipments NB/T 47010-2017 Stainless steel and heat-resistant steel forgings used in pressure equipment NB/T 47010-2010 Stainless and heat-resisting steel forgings for pressure equipments NB/T 47013.1-2015 Non-destructive testing of pressure equipment - Part 1: General requirements NB/T 47013.2-2015 Non-destructive testing of pressure equipment - Part 2: Radiographic testing NB/T 47013.3-2023 Non-destructive testing of pressure equipment - Part 3: Ultrasonic testing NB/T 47013.3-2015 Non-destructive testing of pressure equipment - Part 3: Ultrasonic testing NB/T 47013.4-2015 "Non-destructive testing of pressure equipment - Part 4: Magnetic particle testing" NB/T 47013.5-2015 Non-destructive testing of pressure equipment - Part 5: Penetrant testing NB/T 47013.6-2015 Non-destructive testing of pressure equipment - Part 6: Eddy current testing NB/T 47013.7-2012 Nondestructive testing of pressure equipments-Part 7:Visual examination NB/T 47013.8-2012 Nondestructive testing of pressure equipments-Part 8:Leak Testing NB/T 47013.8-2025 Non-destructive testing of pressure equipment - Part 8: Leakage testing NB/T 47013.9-2012 Nondestructive testing of pressure equipments-Part 9:Acoustic emission testing NB/T 47013.10-2015 Non-destructive testing of pressure equipment - Part 10: Ultrasonic testing using time-of-flight diffraction method NB/T 47013.10-2010 Nondestructive testing of pressure equipments-Part 10:Ultrasonic time of flight diffraction technique NB/T 47013.11-2023 Non-destructive testing of pressure equipment - Part 11: Digital imaging detection using X-ray technology NB/T 47013.11-2015 Non-destructive testing of pressure equipment - Part 11: X-ray digital imaging testing NB/T 47013.12-2015 Non-destructive testing of pressure equipment - Part 12: Magnetic flux leakage testing NB/T 47013.13-2015 Non-destructive testing of pressure equipment - Part 13: Impulse eddy current testing NB/T 47013.14-2023 Non-destructive testing of pressure equipment - Part 14: X-ray computer-aided imaging inspection NB/T 47013.14-2016 Non-destructive testing of pressure equipment - Part 14: X-ray computer-aided imaging detection NB/T 47013.15-2021 NB/T 47013.15-2021 Nondestructive testing for pressure equipment - Part 15: Phased array ultrasonic testing NB/T 47013.16-2024 NB/T 47013.16-2024 Nondestructive testing of pressure equipment Part 16: Infrared thermal imaging testing NB/T 47013.17-2024 NB/T 47013.17-2024 Nondestructive testing for pressure equipment - Part 17: Magnetic-memory testing NB/T 47013.18-2024 NB/T 47013.18-2024 Nondestructive testing for pressure equipment - Part 18: Array eddy current testing NB/T 47013.21-2025 Non-destructive testing of pressure equipment - Part 21: Detection using alternating electromagnetic fields

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