T/CCMSA 40839-2023 Steel pipes and fittings with self anchored flexible interface
T/CCMSA 40839-2023 Steel pipes and fittings with self anchored flexible interface
Basic Information
Scope
This document specifies the classification and marking, basic requirements, testing methods, inspection rules, marking, packaging, transportation, and storage of fully self-anchored flexible interface steel pipes (hereinafter referred to as "fully self-anchored steel pipes") and pipe fittings.
This document is applicable to fully self-anchored steel pipes and pipe fittings that include socket, socket, snap ring, and sealing rubber ring, delivered in a state with the inner and outer walls coated with anticorrosive material or with a stainless steel lining. The nominal size is DN100 mm~DN3 000 mm, the working pressure is not more than 1.6 MPa, and the temperature of the transported medium is 0℃~50℃. They can be used in buried pipelines, pipe galleries, or trenchless pipelines for water supply, drainage, fire protection, HVAC, and water conservancy projects in buildings and municipalities.