Polyurethane foam insulation spiral steel pipe full name: high density polyethylene plastic outer protection polyurethane foam prefabricated direct buried insulation pipe, from conveying media, working steel pipe, polyurethane insulation layer, polyethylene plastic outer protection pipe, through equipment in turn to be combined to the outside.

High density polyethylene plastic outer protection polyurethane foam prefabricated direct buried thermal insulation tube with its excellent performance, convenient construction and use of long years (30 years-50 years) and very popular, its structure is: outer protection layer, thermal insulation layer, anti-leakage layer three parts, outer protection layer material is polyethylene jacket tube or glass steel or other materials. Tɛ̈n yenë yen tɔ̈ɔ̈u thïn, yen tɔ̈ɔ̈u thïn, yen tɔ̈ɔ̈u thïn, yen tɔ̈ɔ̈u thïn.

Polyurethane foam insulation spiral steel tube specifications:

Diameter mm 285

Thickness wall mm 4.4

Kg 3.724

A lëu bɛ̈ɛ̈i mm ±0.32

A cɔl steel pipe diameter mm 219 etc. ....

Thickness of insulation layer mm 30

Kɔl ye kɔl mm 290

Polyurethane insulation spiral steel pipe features:

1. Luɔi luɔɔi dɔ̈ɔ̈r.

2, ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n

3, anti-corrosion, insulation performance good, service life long. 3, anti-corrosion, insulation performance good, service life long. 3, anti-corrosion, insulation performance good, service life long. 3, anti-corrosion, insulation performance good, service life long.

4, tɛ̈n tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u tɔ̈u

5, gël.