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GrB L245 MIJ Monolithic Insulation Joint In Pipeline Anti Corrosion

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Langfang Ouhang Technology Co., Ltd.
City:langfang
Province/State:hebei
Country/Region:china
Contact Person:MrJi
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GrB L245 MIJ Monolithic Insulation Joint In Pipeline Anti Corrosion

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Place of Origin :CHINA
Brand Name :OHANG TECH
MOQ :1
Packaging Details :Sea Freight Packing
Delivery Time :30-50 days
Payment Terms :T/T
Name :Insulation Joint
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Insulation Joints for Steel Pipeline Anti-Corrosion System Basic Info.

Model NO.
DN450PN10MPa
Cross-Section Shape
Round
Connection Type
Welding
Transport Package
Wooden Cases Free of Fumigation
Origin
Langfang China
HS Code
85479010
Production Capacity
10000

Product Description

Brief Product Introduction
Monolithic Insulating Joints (MIJ for short) are developed in cathodic protection to steel pipeline system which is used to replace the insulating flanges. MIJ is more convinient in field installation. What the user need to do is welding the MIJs to norminated pipeline and work with the cathodic protection system together to provide anti-corossion protection. The pipeline without cathodic protection is very easy to be corroded in 3 years. But the pipelines which are applied the cathodic protection will work as long as more than 30 years. So MIJs are more and more widely used in long didtance pipeline.
What we provide to customers is the first class quality monolithic insulating joints in China even in all over the world. The MIJs are manufactured by the famouse insulating joint manufacturer of China whose name is Langfang VBA Mechanical Co.,Ltd. Patented U-Sealing system is used in our MIJs which provides a more stable sealing performance compared to the O-Sealing System. The structure is designed as per ASME VIII DIV1 APP 2. Besides the standard products we also accept custom making order as per the specification and data book of customers.
Usually there are three types of insulating joints available shown as below:
GrB L245 MIJ Monolithic Insulation Joint In Pipeline Anti CorrosionGrB L245 MIJ Monolithic Insulation Joint In Pipeline Anti CorrosionGrB L245 MIJ Monolithic Insulation Joint In Pipeline Anti Corrosion
Standard Products Available
NO. Size De Material Class 600 Weight
In mm mm S L B Db Type KG
1 1/2 15 21.3 GrB/L245 3.7 250 98 83 5/B 6
2 3/4 20 26.7 GrB/L245 3.9 250 94 85 5/B 6
3 1/2 25 33.4 GrB/L245 3.9 250 100 88 5/B 6
4 1-1/4 32 42.4 GrB/L245 3.9 300 100 91 5/B 9
5 1-1/2 40 48.3 GrB/L245 3.9 300 100 94 5/B 9
6 2 50 60.3 GrB/L245 3.9 350 104 114 5/B 10
7 2-1/2 65 76.1 GrB/L245 5.5 350 117 132 5/B 15
8 3 80 88.9 GrB/L245 5.5 500 123 155 5/B 23
9 4 100 114.3 GrB/L245 6 500 128 190 5/B 34
10 5 125 141.3 GrB/L245 6.5 600 148 217 5/B 53
11 6 150 168.3 X52/L360 7.1 600 161 248 5/B 74
12 8 200 219.1 X52/L360 8.2 600 183 297 5/B 118
13 10 250 273 X52/L360 9.3 800 211 368 7/B 212
14 12 300 323.8 X52/L360 9.5 800 232 440 7/B 317
15 14 350 355.6 X52/L360 12.7 1000 231 455 7/B 380
16 16 400 406.4 X60/L415 12.7 1000 280 540 7/B 592
17 18 450 457.2 X60/L415 14.3 1000 290 600 7/B 755
18 20 500 508 X60/L415 15.9 1200 308 684 4/B 1057
19 22 550 558.8 X60/L415 17.5 1200 342 730 4/B 1325
20 24 600 609.6 X60/L415 19 1200 388 810 4/B 1795
21 26 650 660.4 X60/L415 19 1200 400 845 4/B 2003
22 28 700 711.2 X60/L415 19 1300 405 890 4/B 2265
23 30 750 762 X60/L415 19 1300 421 970 4/B 2733

Monolithic Insulating Joints production Key Procedure
Flange Machining

GrB L245 MIJ Monolithic Insulation Joint In Pipeline Anti Corrosion
Welding
GrB L245 MIJ Monolithic Insulation Joint In Pipeline Anti Corrosion
Sand Blasting
GrB L245 MIJ Monolithic Insulation Joint In Pipeline Anti Corrosion
Hydro Test
GrB L245 MIJ Monolithic Insulation Joint In Pipeline Anti Corrosion

Painting
GrB L245 MIJ Monolithic Insulation Joint In Pipeline Anti Corrosion

Film Adhesion Test
GrB L245 MIJ Monolithic Insulation Joint In Pipeline Anti Corrosion
Holiday Test
GrB L245 MIJ Monolithic Insulation Joint In Pipeline Anti Corrosion
Dry Film Thickness Test
GrB L245 MIJ Monolithic Insulation Joint In Pipeline Anti Corrosion
Dimensional Check
GrB L245 MIJ Monolithic Insulation Joint In Pipeline Anti Corrosion
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