GB 27790-2011
AbolishedCity gas pressure regulators
城镇燃气调压器
Application Summary AI generated
GB 27790-2011 specifies technical requirements, test methods, and safety performance criteria for pressure regulators used in city gas distribution systems. It applies to regulators that reduce and stabilize gas pressure from medium-pressure pipelines to low-pressure end-user levels in residential, commercial, and industrial building gas supply networks. The standard ensures safe and reliable operation of gas pressure control equipment in urban infrastructure, covering both domestic and imported regulators for natural gas, manufactured gas, and liquefied petroleum gas.
Related Standards
GB/T 19249-2003
Reverse osmosis water treatment equipment
GB/T 16895.3-2004
Electrical installations of buildings--Part 5-54:Selection and erection of electrical equipment--Earthing arrangements，protective conductors and protective bonding conductors
GB/T 7725-2004
Room air conditioners
GB/T 16895.22-2004
Electrical instal lations of buildings--Part 5-53:Selection and erection of electrical equipment isolation，switching and control--Section 534:Devices for protection against overvoltages
GB/Z 28598-2012
Study of the use of lifts for evacuation during an emergency
GB/Z 28597-2012
Lifts and escalators subject to seismic conditions - Compilation report
GB/Z 31822-2015
Study report on the safety requirements of public service escalators and moving walks
GB/Z 35850.3-2021
Programmable electronic systems in safety-related applications for lifts (elevators), escalators and moving walks—Part 3: Life cycle guideline for programmable electronic systems related to PESSRAL and PESSRAE
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.