Jacket insulation spiral steel tubes are black jacket insulation spiral steel tubes and yellow jacket insulation spiral steel tubes. Jacket insulation spiral steel tubes are black jacket insulation spiral steel tubes and yellow jacket insulation spiral steel tubes.

Jacket insulation spiral steel tubes, raw materials mainly include seamless steel tubes and seamless steel tubes.

Yellow jacket insulation spiral steel pipe package raw materials mainly include seamless steel tubes and seamless steel tubes. Yellow jacket polyurethane thermal insulation spiral steel pipe ye looi në polyamide foam plastic ye looi në -185 ~ 120 °C. Kɔnɔ, a ye kɔnɔ, a ye kɔnɔ, a ye kɔnɔ, a ye kɔnɔ, a ye kɔnɔ, a ye kɔnɔ, a ye kɔnɔ, a ye kɔnɔ, a ye kɔnɔ, a ye kɔnɔ, a ye kɔnɔ, a ye kɔnɔ, a ye kɔnɔ, a ye kɔnɔ, a ye kɔnɔ.

Yellow jacket insulation spiral steel pipe package structure mainly includes working steel pipe layer, polyurethane insulation layer and high density polyethylene protective layer. A tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈n tɛ̈ Black ye cɔl black jacket insulation tube, yellow ye cɔl yellow jacket insulation tube. A luɔɔi ye kɔc ye polyurethane insulation layer gël tënë kä ye kek tɔ̈ɔ̈u, ku a rou ye kɔc ye kek tɔ̈ɔ̈u, ku a ye kɔc ye kek tɔ̈ɔ̈u. High density polyethylene polyurethane foam insulation spiral steel pipe execution: SY/T114-2000 and SY/T115-2001 standards.

Black jacket insulation steel pipe package includes spiral steel pipe, straight seam steel pipe and seamless steel pipe. Black jacket insulation steel pipe package includes spiral steel pipe, straight seam steel pipe and seamless steel pipe. A cɔl black jacket insulation tube. A ye polyurethane foam plastic raw liquid injected once in the hollow formed between steel tubes and outer protective layer, then using polyethylene to treat the steel tube surface, forming the outermost protective layer. A ye polyurethane foam plastic raw liquid injected once in the hollow formed between steel tubes and outer protective layer, then using polyethylene to treat the steel tube surface, forming the outermost protective layer.

Polyethylene shell straight buried thermal tube high density polyethylene insulation tube straight buried prefabricated thermal tube is made of conveying media steel tubes, polyurethane hard foam insulation layer and high density polyethylene jacket tubes, straight buried thermal tube is mainly used in town centralized heating pipe network, oil conveying pipelines, high cold area water conveying pipelines and industrial pipeline engineering in production areas. Në ye mɛn, polyurethane ye kɔc cɔl "hard foam" ye kɔc cɔl "thermal insulation layer" ye kɔc cɔl "steel tube" ye kɔc cɔl "outer skin", ye kɔc cɔl "insulation layer" ye kɔc cɔl "thermal insulation layer" ye kɔc cɔl "thermal insulation layer Ye dɛ̈t peei, a ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ̈n ye tɛ Polyethylene ye kɔnɔ kɔnɔ kɔnɔ kɔnɔ kɔnɔ kɔnɔ kɔnɔ kɔnɔ kɔnɔ kɔnɔ kɔnɔ kɔnɔ kɔnɔ kɔnɔ kɔnɔ kɔnɔ kɔnɔ kɔnɔ kɔnɔ.