GB/T 12246-2025 Active National standards

GB/T 12246-2025 Pilot operated pressure reducing valves

GB/T 12246-2025 Pilot operated pressure reducing valves

Publish Date: 2025-10-31 Implement Date: 2026-05-01 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/T 12246-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: \nValve

ICS Name: Other valves

Publish Date: 2025-10-31

Implement Date: 2026-05-01

Pages: 16 pages

Scope

This document specifies the structural type, technical requirements, test methods, inspection rules, marking and painting, as well as packaging, transportation, and storage of pilot relief valves.
This document is applicable to the design, production, and inspection of pilot relief valves with nominal sizes of DN15 to DN800 and nominal pressures of PN10 to PN100, or nominal sizes of NPS1/2 to NPS32 and nominal pressures of Class 150 to Class 600, and are used for gases, liquids, and steam with temperatures not exceeding 300°C.

Development Information

Word Count: 15 Thousand words Pages: 16 pages

Replace the following standards

GB/T 12246-2006 Pilot operated pressure reducing valves

Referenced Standards

GB/T 12245-2025 Methods of performance test for pressure reducing valves GB/T 17241.1-1998 Synoptic table for cast iron pipe flanges GB/T 17241.1-2024 Cast iron pipe flanges—Part 1:PN designated GB/T 17241.2-1998 Cast iron pipe blank flanges GB/T 17241.2-2024 Cast iron pipe flanges—Part 2:Class designated GB/T 17241.3-1998 Hubbed threaded cast iron pipe flanges GB/T 17241.4-1998 Hubbed slip-on-welding and hubbed socket welding cast iron pipe flanges GB/T 17241.5-1998 Loose hubbed cast iron pipe flanges for lapped pipe end GB/T 17241.6-1998 Integral cast iron pipe flanges GB/T 17241.6-2008 Integral cast iron flanges GB/T 17241.7-1998 Specifications for cast iron pipe flanges GB/T 21465-2008 Terminology for valves JB/T 106-2024 JB/T 106-2024 - Valve labeling and painting JB/T 106-2004 Valves marking and paint JB/T 2205-2013 The structure length of a pressure reducing valve according to JB/T 2205-2013 JB/T 2205-2000 JB/T 2205-2000 Throttling valve structural length JB/T 7928-2014 Industrial Valve Supply Requirements JB/T 7928-1999 JBT 7928-1999 General valve Supply requirements

Related Standards

GB/T 8464-1998 Replaced

GB/T 8464-1998 Valves with female screw ends for water-heating system

Publish Date: 1998-08-10

GB/T 12244-2006 Replaced

GB/T 12244-2006 General requirements for pressure reducing valves

Publish Date: 2006-12-25

GB/T 12245-2006 Replaced

GB/T 12245-2006 Methods of performance test for pressure reducing valves

Publish Date: 2006-12-25

GB/T 12246-2006 Replaced

GB/T 12246-2006 Pilot operated pressure reducing valves

Publish Date: 2006-12-25

GB/T 20910-2007 Replaced

GB/T 20910-2007 Temperature/pressure safety valve for hot water supply system

Publish Date: 2007-04-18

GB/T 21384-2008 Replaced

GB/T 21384-2008 Electric water-heater safety valve

Publish Date: 2008-02-02