GB/T 34611-2017 Active
GB/T 34611-2017 Rigid polyurethane spray polyethylene winding prefabricated directly buried insulating pipes
Abstract
This standard specifies the terms and definitions, product structure, general provisions, requirements, test methods, inspection rules, marking, transportation, and storage of rigid polyurethane spray-wrapped polyethylene prefabricated direct-buried insulation pipes (referred to as spray-wrapped insulation pipes) produced by polyurethane spraying and polyethylene winding processes. This standard applies to the manufacture and inspection of rigid polyurethane spray-wrapped polyethylene prefabricated direct-buried insulation pipes with a medium temperature (long-term operating temperature) not exceeding 120 °C and an accidental peak temperature not exceeding 140 °C.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 34611-2017 |
| CCS | Heating and heating engineering |
| ICS | The water supply system |
| Implement Date | 2018-09-01 |