Rongke power supply is the most stable and easy operation supply you can find in the market, with simplest structure and full automatic function for baking, sintering and smelting, your workers can learn to operate in a minute. Its self-protection system covering all kinds of situation based on our 20 years experience in the industry.China Copper Smelting Furnace,Medium Frequency Furnace supplier & manufacturer, offer low price, high quality Intermediate Frequency Furnace,Medium Frequency Electric Furnace, etc. Rongke furnace specialized in design and manufacturing medium frequency Induction Furnace since 2013, now we have over 300 sets of smelting system running around the world and yearly revenue over 100 million CNY, every year our sales are expanding at least 1.5 times over last year and factory area too is enlarging every two years. now the factory is covering over 15000 sqm. Among the 110 employees we have 20 R&D engineers. Power Supply Cabinet Power Supply Cabinet,Electric Power Supply Cabinet,Cabinet For Power Supply Cabinet,Power Distribution Electric Cabinet FOSHAN RONGKE INDUSTRIAL ELECTRIC FURNACE CO.,LTD , https://www.rongke-industrial.com
steal pipe with Polyurethane foam insulation and HDPE jacket sleeve
NameÂ
Pre-insulated Pipe
structure
work steel pipe/polyurethane insuation layer /HDPE outer protection pipe
the material of insuation layer
polyurethane foam
 Installation Method
1.cold installation
2.Prestress Installation
3.Preheat Installation Method
4.One-Time Compensator Installation Method
Main Indexes of Polyurethane insulation layerÂ
Â
indexes
preference Standard
unit
standard requirement
Density
CJ/T114-4.3.2
kg/m3
 ≥60
Average
CJ/T114-4.3.1
mm
≤0.5
Percentage of close area
CJ/T114-4.3.1
%
≥ 88
Compressive strengthÂ
CJ/T114-4.3.3
MPa
≥ 0.3
Water Absorption
CJ/T114-4.3.5
%
Immersion in boiling water 90 minute,bubble water absorption should be not more than 10%
Cavity
CJ/T114-4.3.1
Â
≤ 0.033
Specification of pre-insulated Pipe
Â
Specifications
(mm)
steel pipe OD×Thickness
(mm)
Outer protection tube diameter ×Wall thickness
(mm)
Insulation thickness
(mm)
Unit weight
Kg/m
32/90
32×2.8
90×2.5
26.5
3
45/110
45×2.8
110×2.5
30.0
4
57/120
57×3.0
120×2.5
29.0
6
60/125
60×3.5
125×3.0
29.5
7
76/140
76×4.0
140×3.0
29.0
9
89/160
89×4.0
160×3.0
32.5
11
108/180
108×4.0
180×3.0
33.0
13
133/200
133×4.5
200×3.2
30.3
17
159/250
159×4.5
250×3.9
41.6
22
219/315
219×6.0
315×4.9
43.1
39
273/365
273×6.0
365×5.6
40.4
49
325/420
325×7.0
420×7.0
40.5
67
377/500
377×7.0
500×7.8
53.7
81
426/560
426×7.0
560×8.8
58.2
94
478/600
478×7.0
600×8.8
52.2
104
529/630
529×7.0
630×9.8
40.7
114
529/655
529×7.0
655×9.8
53.2
117
630/760
630×8.0
760×11.5
53.5
158
720/850
720×8.0
850×12.0
53.0
181
820/960
820×10.0
960×14.0
56.0
252
920/1055
920×10.0
1055×14.0
53.5
281
1020/1155
1020×10.0
1155×14.0
53.5
312
1220/1380
1220×12.0
1380×16.0
64.0
444
1420/1602
1420×14.0
1602×16.0
75.0
590
1.
good insulation properties
2.
low heat loss
3.
 heat loss is 25% of the traditional pipe.
4.
energy saving
5.
 about 30 yeas move the service life, low cost
6.
has a strong waterproof and corrosive resistance and high mechanical strength
7.
no attached trench ,can be directly buried in the ground or water.
Product Description
Â
steal pipe with Polyurethane foam insulation and HDPE jacket sleeve
NameÂ
Pre-insulated Pipe
structure
work steel pipe/polyurethane insuation layer /HDPE outer protection pipe
the material of insuation layer
polyurethane foam
 Installation Method
1.cold installation
2.Prestress Installation
3.Preheat Installation Method
4.One-Time Compensator Installation Method
Main Indexes of Polyurethane insulation layerÂ
Â
indexes
preference Standard
unit
standard requirement
Density
CJ/T114-4.3.2
kg/m3
 ≥60
Average
CJ/T114-4.3.1
mm
≤0.5
Percentage of close area
CJ/T114-4.3.1
%
≥ 88
Compressive strengthÂ
CJ/T114-4.3.3
MPa
≥ 0.3
Water Absorption
CJ/T114-4.3.5
%
Immersion in boiling water 90 minute,bubble water absorption should be not more than 10%
Cavity
CJ/T114-4.3.1
Â
≤ 0.033
Specification of pre-insulated Pipe
Â
Specifications
(mm)
steel pipe OD×Thickness
(mm)
Outer protection tube diameter ×Wall thickness
(mm)
Insulation thickness
(mm)
Unit weight
Kg/m
32/90
32×2.8
90×2.5
26.5
3
45/110
45×2.8
110×2.5
30.0
4
57/120
57×3.0
120×2.5
29.0
6
60/125
60×3.5
125×3.0
29.5
7
76/140
76×4.0
140×3.0
29.0
9
89/160
89×4.0
160×3.0
32.5
11
108/180
108×4.0
180×3.0
33.0
13
133/200
133×4.5
200×3.2
30.3
17
159/250
159×4.5
250×3.9
41.6
22
219/315
219×6.0
315×4.9
43.1
39
273/365
273×6.0
365×5.6
40.4
49
325/420
325×7.0
420×7.0
40.5
67
377/500
377×7.0
500×7.8
53.7
81
426/560
426×7.0
560×8.8
58.2
94
478/600
478×7.0
600×8.8
52.2
104
529/630
529×7.0
630×9.8
40.7
114
529/655
529×7.0
655×9.8
53.2
117
630/760
630×8.0
760×11.5
53.5
158
720/850
720×8.0
850×12.0
53.0
181
820/960
820×10.0
960×14.0
56.0
252
920/1055
920×10.0
1055×14.0
53.5
281
1020/1155
1020×10.0
1155×14.0
53.5
312
1220/1380
1220×12.0
1380×16.0
64.0
444
1420/1602
1420×14.0
1602×16.0
75.0
590
1.
good insulation properties
2.
low heat loss
3.
 heat loss is 25% of the traditional pipe.
4.
energy saving
5.
 about 30 yeas move the service life, low cost
6.
has a strong waterproof and corrosive resistance and high mechanical strength
7.
no attached trench ,can be directly buried in the ground or water.
Â
Pipe Insulation Material with Polyurethane Foam and HDPE Protection Outer
Model NO.: insu005
Cross-Section Shape: Round
Connection Type: Seamless
Size: 2"-12"
Delivery Time: 30 Days
Sample: Can Be Provided
Head Code: Round
Connection: Welding
Payment: T/T, LC at Sight
Color: Black
Usage: Petroleum Coke, Paraffin Wax
Type: Heavy Crude Oil
Application: Industrial Lubricant, Oil Product
Trademark: OEM
Transport Package: Standard Package
Specification: DN25-DN1400
Origin: China
HS Code: 7304192000
Model NO.: insu005
Cross-Section Shape: Round
Connection Type: Seamless
Size: 2"-12"
Delivery Time: 30 Days
Sample: Can Be Provided
Head Code: Round
Connection: Welding
Payment: T/T, LC at Sight
Color: Black
Usage: Petroleum Coke, Paraffin Wax
Type: Heavy Crude Oil
Application: Industrial Lubricant, Oil Product
Trademark: OEM
Transport Package: Standard Package
Specification: DN25-DN1400
Origin: China
HS Code: 7304192000
Product Description