The density, size deviation, axial eccentricity and insulation resistance of polyurethane insulated steel pipe insulation layer shall be inspected according to the requirements of the technical specification, and the qualification sh... [阅读全文]

Requirements for corrosion prevention and rust removal of steel sleeve steam insulation pipelines: 1. Rust removal of overhead steam pipelines: The outer surface of the steel pipes in this project must be sandblasted for rust re... [阅读全文]

Epoxy resin coated composite steel pipes are used underground in coal mines for water supply and drainage, positive and negative pressure ventilation, grouting, and gas drainage. Suitable for various working environments and usage... [阅读全文]

The production process of directly buried prefabricated polyurethane insulation pipes adopts foaming equipment, which operates stably and effectively ensures the quality of directly buried insulation pipes. Polyurethane insulation pipe... [阅读全文]

The three in one structure of polyurethane prefabricated buried insulation pipe is formed by tightly bonding the working steel pipe (or steel pipe fittings) and the outer protective pipe through the insulation layer, forming an ... [阅读全文]

Polyurethane cold insulation pipe bracket is a common pipeline support system, mainly used for fixing and supporting pipelines, playing a role in supporting and protecting pipelines. Its material is polyurethane, which is character... [阅读全文]

The plastic coated composite steel pipes for fire protection system water supply are divided into circular pipe network water supply system plastic coated composite steel pipes and branched pipe network water supply system plastic... [阅读全文]

The long-distance high-efficiency vermiculite insulation pipe holder has a low thermal conductivity and excellent insulation effect. High compressive and bending resistance, with a long service life. Excellent flame retardancy, strong... [阅读全文]

The technical requirements for steel sleeve steel steam buried pipes in the design of the heating pipeline network from a power plant in a certain industrial park to a pharmaceutical factory: 1. Installation of steam buried pip... [阅读全文]

The material of water supply coated composite steel pipe should comply with the provisions of the national standard "Seamless Steel Pipe for Fluid Transportation" (GB/T8163) or "Welded Steel Pipe" (GB/T3091). The coating material ... [阅读全文]