Polyurethane Foam Insulation Pipe

Author:insulatchina 2020-04-21 10:39:08 247 0 0

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/m³)

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


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