.

Polyurethane Foam Insulation Pipe

PRODUCT PARAMETERS

If you are finding , we will be your best choose! We have our own factory, so we can give you a cheap price!

Product Indexes

Reference Standard

Standard Requirement

Our product value

Outer protection pipe

Density (kg/m3)

CJ/T114-4.2.3.1

≥940

Elongation at break (%)

CJ/T114-4.2.3.4

≥350

618

Tensile yield strength (MPa)

CJ/T114-4.2.3.4

≥19

Longitudinal shrinkage rate (%)

CJ/T114-4.2.3.5

≤3

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

Carbon Black Content %

CJ/T114-4.2.3.1

Polyurethane insulation layer

Density (kg/m³)

CJ/T114-4.3.2

≥60

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

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

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

29

32

43x3

33

40

48x3

31

50

57x3

34

65

140x3

33

80

89x4

33

100

108x4

36

125

46

150

200

219x6

48

250

273x6

46

300

325x7

420x7

350

377x7

400

426x7

62

450

478x7

61

500

529x7

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



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