GB/T 8464-1998
Replaced
T/QGCML 4981-2025
Active
Group standards
T/QGCML 4981-2025 Two-way Pressure Hard-impact Butterfly Valve
T/QGCML 4981-2025
Price:
$ 20.00
Basic Information
Standard Code:
T/QGCML 4981-2025
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Other valves
Publish Date:
2025-07-14
Implement Date:
2025-07-29
Scope
Main technical content: This document specifies the terms and definitions, basic structure, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of bidirectional hard-pressed butterfly valves. This document is applicable to the production and inspection of bidirectional hard-pressed butterfly valves.
Development Information
Related Standards
GB/T 12244-2006
Replaced
GB/T 12244-2006 General requirements for pressure reducing valves
GB/T 12245-2006
Replaced
GB/T 12245-2006 Methods of performance test for pressure reducing valves
GB/T 12246-2006
Replaced
GB/T 12246-2006 Pilot operated pressure reducing valves
GB/T 20910-2007
Replaced
GB/T 20910-2007 Temperature/pressure safety valve for hot water supply system
GB/T 21384-2008
Replaced