CJ/T 260-2007
Abolished
T/ZZB 1973-2020
Active
Group standards
T/ZZB 1973-2020 Demand-pressure regulator
T/ZZB 1973-2020 Demand-pressure regulator
Price:
$ 20.00
Basic Information
Standard Code:
T/ZZB 1973-2020
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Water supply and drainage equipment and devices
ICS Name:
The water supply system
Publish Date:
2020-11-30
Implement Date:
2020-12-30
Scope
Main technical content: This document specifies the terms and definitions, structural forms, product models, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments of pressure-relief type backflow preventers. This document is applicable to pressure-relief type backflow preventers for conveying clean water with a nominal pressure of less than or equal to PN16, a nominal size of DN15 to DN400, and a temperature of no more than 65°C. Pressure-relief type backflow preventers with a nominal size of less than DN15 and a nominal size of more than DN400 can be implemented by reference.
Development Information
Related Standards
CJ/T 232-2006
Active
CJ/T 232-2006 Light gauge stainless steel pipes and insert—Pressfittings
CJ/T 235-2006
Replaced
CJ/T 235-2006 Vertical long shaft pump
CJ/T 159-2006
Replaced
CJ/T 159-2006 Polyethylene/Aluminum/ Polyethylene composite pressure pipe(butt-welded by aluminum pipe)
CJ/T 237-2006
Active
CJ/T 237-2006 Double fusion fitting for Plastic/Steel/Plastic composite pressure pipe
CJ/T 238-2006
Active