GB/T 21492-2019 Active
GB/T 21492-2019 Glass fiber reinforced plastics jacking pipes
Abstract
This standard specifies the terms and definitions, classification and marking, raw materials, requirements, test methods, inspection rules, marking, packaging, transportation, storage, factory certificates, and technical documents for fiberglass-reinforced plastic top pipes.
This standard applies to fiberglass-reinforced plastic top pipes (hereinafter referred to as GRP top pipes) used in the top-push construction method with a nominal diameter of 100 mm to 4,000 mm, a pressure rating of 0.1 MPa to 3.2 MPa, and a ring stiffness rating of 20,000 N/m2 and above. The maximum temperature of the medium shall not exceed 50℃.
GRP top pipes with nominal diameters and pressure ratings outside the scope of this standard may also be used as a reference.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 21492-2019 |
| CCS | Fiber-reinforced composites |
| ICS | Enhanced plastics |
| Implement Date | 2020-07-01 |