Polyurethane Foam Insulation Pipe

Polyurethane Foam Insulation Pipe
PRODUCT PARAMETERS
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Product Indexes Reference Standard Standard Requirement Our product value
Outer protection pipe
Density (kg/m3 ) CJ/T114-4.2.3.1 ≥940 948.2
Elongation at break (%) CJ/T114-4.2.3.4 ≥350 618
Tensile yield strength (MPa) CJ/T114-4.2.3.4 ≥19 20.5
Longitudinal shrinkage rate (%) CJ/T114-4.2.3.5 ≤3 1.23
Long term Mechanical properties CJ/T114-4.2.3.6 >1500h(80℃,4.0 MPa)free from damage Pass
The difference of the melt flow rate (g/10min) CJ/T114-4.2.3.2 ≤0.5 0.11
Carbon Black Content % CJ/T114-4.2.3.1 2.5¯0.5 2.4
Polyurethane insulation layer
Density (kg/m±) CJ/T114-4.3.2 ≥60 71.1
Average pore size (mm) CJ/T114-4.3.1 ≤0.5 qualified
Percentage of close area(%) CJ/T114-4.3.1 ≥88 94
Compressive strength(MPa) CJ/T114-4.3.3 ≥0.3 0.58
Water absorption(%) CJ/T114-4.3.4 Immersion in boiling water 90 minutes, bubble water absorption should be not more than 10% ≤5.53
Working steel pipe
Seamless steel pipe(≤DN150) GB8163 20# qualified
Spiral steel pipe(≥DN200) GB/T9711 or SY/T5037 Q235B qualified
PRODUCT FEATURES
Product name Thermal insulation direct buried pipe
Length 5.8m-12m, or by customer's requirements
Nominal diameter DN25-1800
Laid way Buried
Application Fluid Pipe, Natural gas, Gas, Oil, Hydraulic, chemical, drill, etc.
Production Standard The national standard GB/T29047-2012, CJ/T114-2000, CJ/T155-2001
TECHNICAL INDICATORS
Nominal diameter OD ×Thickness(mm) Outer protection tube diameter ×Wall thickness(mm) Insulation thickness(mm)
25 32x3 90x2.3 29
32 43x3 110x2.5 33
40 48x3 110x2.5 31
50 57x3 125x2.5 34
65 76x3.5 140x3 33
80 89x4 160x3.0 33
100 108x4 200x3.2 36
125 133x4.5 225x3.5 46
150 159x4.5 250x3.9 45.5
200 219x6 315x4.9 48
250 273x6 365x5.6 46
300 325x7 420x7 47.5
350 377x7 500x7.8 61.5
400 426x7 550x8.8 62
450 478x7 600x9.8 61
500 529x7 655x9.8 63
600 630x8 760x11 65
700 720x8 850x12 65
800 820x9 960x13 70
900 920x10 1054x14 67
1000 1020x12 1155x14 77
1200 1220x12 1380x15 80
1400 1420x14 1680x16 114