Heating聚氨酯Insulated Steel Pipe

Introduction to Heat Insulating Polyurethane Coated Steel Pipe

This type of product has a 40-year history in the European construction industry since its application in the 1960s. Some have even legislated to use polyurethane as thermal insulation for steel pipes in construction, coated with two layers of anti-rust paint after sandblasting. Pre-fabricated buried thermal insulation pipes are made of hot-rolled seamless steel tubes, capable of withstanding high temperatures and pressures, suitable for media temperatures up to 350°C, with strong corrosion resistance. The protective coating is highly durable and difficult to damage. Elbows are pipe fittings used at pipe bends. They account for approximately the largest proportion of all pipe fittings used in the pipeline system. Typically, different forming processes are chosen for elbows made of different materials or wall thicknesses. Common seamless elbow forming processes used by manufacturers include hot pushing, stamping, and extrusion. Applications of polyurethane insulated pipe products: used for heating insulation pipelines, hot spring insulation pipelines, heating insulation pipelines, heating insulation pipelines, air conditioning insulation pipelines, steam insulation pipelines, cold and hot insulation pipelines, and external wall insulation, etc.

Product Advantages

1. Insulation performance

The product features a polyurethane insulation layer structure, effectively reducing heat loss.

2. Easy to install

Insulation pipe ends are exposed 150-250mm, convenient for alignment and welding during on-site construction.

现场 insulation joints can be sealed with pre-fabricated insulation tiles or by on-site casting.

Insulated pipe fittings are factory预制.

3. Weather resistance

The galvanized anti-corrosion coating on the iron sheet used for manufacturing the outer protective tube allows it to remain corrosion-free in outdoor environments for a long time.

○ The product uses galvanized iron sheet instead of the traditional polyethylene outer sheath, thereby avoiding the issue of polyethylene aging over time in outdoor environments.

Outer sheath structural strength

The galvanized iron outer casing utilizes a helical forming structure, which offers excellent bending resistance and stress distribution at the joints.

4. Service Life

The insulation pipe in this structure is a three-layer design, with the working pipe and insulation fully protected by the outer sheath; the outer sheath is coated with galvanized anti-corrosion material, allowing for continuous use under normal operating conditions for 30 years.