galvanized jacketed pre-insulated steel pipe

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Here are some details about galvanized jacketed pre-insulated steel pipe:

Construction: It consists of a steel pipe surrounded by insulation (usually polyurethane foam), which is then encased in a galvanized steel outer jacket.

Galvanized Jacket: The zinc coating on the exterior steel jacket protects it from corrosion. Galvanizing increases durability for underground use where the pipe would be exposed to soil moisture and minerals.

Insulation: Polyurethane foam insulation provides efficient heat retention/transfer prevention. Its closed-cell structure makes it water resistant as well.

Joints: Adjoining sections are joined using insulation joint kits to maintain a continuous thermal break. Special coated fittings allow for connections.

Applications: Commonly used for underground hot and cold water distribution systems, geothermal piping networks, and structural pre-insulated foundations.

Advantages: Pre-insulated pipe provides protection from corrosion, insulation to maintain temperatures, and a factory-applied system that speeds installation.

Sizes: Typically available in diameters from 1-1/4″ to 24″ to accommodate varying flow rates/capacities as needed.

Standards: Must meet ASTM standards for material properties and performance of the steel, insulation and protective jacket.

So in summary, galvanized jacketed pre-insulated steel pipe is a durable, efficient piping solution for temperature-sensitive underground distribution systems. The zinc coating and polyurethane insulation provide protection and performance.

PRODUCT FEATURES

Product name Galvanized iron jacket insulated pipe
Length 6-12m, or by customer’s requirements
Thickness of Insulation layer 32-60mm
Medium teperature 50°C-120°C, Max: 140°C
Application For chilled water tranfer system
Production Standard The national standard GB/T29047-2012, CJ/T114-2000, CJ/T155-2001
Package With the plastic or steel end caps on both the pipe ends

TECHNICAL INDICATORS

Nominal diameter OD ×Thickness(mm) Outer protection tube diameter ×Wall thickness(mm) Insulation thickness(mm)
25 32×3 90×2.3 29
32 43×3 110×2.5 33
40 48×3 110×2.5 31
50 57×3 125×2.5 34
65 76×3.5 140×3 33
80 89×4 160×3.0 33
100 108×4 200×3.2 36
125 133×4.5 225×3.5 46
150 159×4.5 250×3.9 45.5
200 219×6 315×4.9 48
250 273×6 365×5.6 46
300 325×7 420×7 47.5
350 377×7 500×7.8 61.5
400 426×7 550×8.8 62
450 478×7 600×9.8 61
500 529×7 655×9.8 63
600 630×8 760×11 65
700 720×8 850×12 65
800 820×9 960×13 70
900 920×10 1054×14 67
1000 1020×12 1155×14 77
1200 1220×12 1380×15 80
1400 1420×14 1680×16 114
ABTER STEEL

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