What are the standard requirements for polyurethane directly buried finished insulation pipes? Firstly, the insulation layer thickness of the polyurethane directly buried finished insulation pipe should ensure that the outer protecti... [阅读全文]

The production of steel sleeve steel steam directly buried insulation pipes requires that the inner steel pipe cannot have welds. Therefore, in general, seamless steel pipes are used for the inner steel pipe of steel sleeve ste... [阅读全文]

The working principle of polyurethane cold insulation pipe supports is mainly to use the insulation effect of the gaps between pipe supports to reduce the loss of internal heat energy and the invasion of external heat in the ... [阅读全文]

Large diameter coated steel pipes are currently divided into four categories: inner and outer coated polyethylene, inner and outer coated epoxy resin, outer polyethylene and inner epoxy resin, and outer three-layer structured polye... [阅读全文]

The material of TPEP anti-corrosion steel pipes is usually made of high-quality carbon steel or alloy steel such as Q235 or Q345 to ensure the mechanical and corrosion resistance of the material. The external anti-corrosion exec... [阅读全文]

What are the standard requirements for polyurethane foam prefabricated directly buried insulation pipe insulation layer? The insulation layer of polyurethane foam prefabricated directly buried insulation pipe is made of rigid polyure... [阅读全文]

What are the main national standards for coated steel pipes? GB/T 23257-2009 is a national standard specifically designed for coated steel pipes, which specifies a minimum thickness of 150 microns and a maximum thickness of 500... [阅读全文]

Spiral steel pipes can serve as the base pipe for many types of steel pipes, and for each type of steel pipe, the usage areas of spiral steel pipes are differentiated. Firstly, ordinary spiral steel pipes are mainly used for... [阅读全文]

Steel sleeve steel buried steam pipeline is a composite insulation pipe in underground buried pipelines, mainly used for conveying high-temperature steam, with a usage temperature of up to 150 ℃ -450 ℃. Pipeline ports are gene... [阅读全文]

Cold insulation polyurethane pipe supports are generally installed and used in conjunction with clamps. As pipe supports, they are installed on low-temperature equipment and pipelines. Mainly suitable for laying and connecting chemi... [阅读全文]