GB/T 24721.4-2009
Glass fiber reinforced plastic product for highway.Part 4:Non-pressure communications well lid (English Version)

Standard No.

GB/T 24721.4-2009

Language

Chinese, Available in English version

Release Date

2009

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2023-07

Replace By

GB/T 24721.4-2023

Latest

GB/T 24721.4-2023

Scope

This part of GB/T 24721 specifies the product classification, structure, size and deviation, technical requirements, test methods, inspection rules, signs, packaging, transportation and storage of non-pressure glass fiber reinforced plastic communication manhole covers for roads. This part applies to non-pressure-bearing FRP communication manhole covers for non-vehicle driving areas on highways. Other roads and polymer-based composite products can be used as a reference.

GB/T 24721.4-2009 Referenced Document

• GB/T 14486-2008 Dimensional tolerances for moulded plastic parts
• GB/T 24721.1-2009 Glass fiber reinforced plastic product for highway.Part 1:General rule

GB/T 24721.4-2009 history

• 2023 GB/T 24721.4-2023 Glass fiber reinforced plastic products for road use - Part 4: Unpressurized communication manhole covers
• 2009 GB/T 24721.4-2009 Glass fiber reinforced plastic product for highway.Part 4:Non-pressure communications well lid

GB/T 24721.4-2009 -All Parts