Monolithic insulating joints -

Supplier Details

Shenyang Yongye Industry Co., Ltd.  

Year Established:1999

Business Type:Manufacturer and Trading Company

Management Certifiation:

Operational Address:

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Monolithic insulating joints

Monolithic insulating joints
  • Monolithic insulating joints
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Monolithic insulating joint
Size:56'', Class 150
Standard:ASME B 31.8/31.3
Business Type: Manufacturer
Certificate: ISO,ASME

Product Details


Material: : Carbon Steel
Connection: : Welding
Certificate: : ISO9001 & ASME .
Model Number: : YY-J
Head Code: : Circle


Monolithic Insulating joint
1, Pup material: API 5L Gr.B, X42, X46, X52, X56, X60, X65, X70
2, CL150,CL200,CL300,CL600,CL900,CL1500,CL2500




Insulating joint (Isolating Joint) is the key component in Cathodic Protection (CP) System. It is mainly used in underground gas transition and distribution system including gas reducing station, each section of gas transition and distribution pipeline, also the part between gas reducing station and the pipeline, which increase the life of the plant and equipment by reducing or eliminating the electric and chemical corrosion damage.



Ø Suitable for oil, city gas, nature gas, LNG, LPG, etc.

Ø Size:  1” to 60”

Ø Matching pipeline: API 5L Gr. B, X42, X52, X60, X65, X70, etc.

Ø Pressure rating:  ANSI Class 150, Class 300, Class600, Class 900, Class1500, Class2500

Ø Ambient Temperature: -30°C-90°C

Ø Working Temperature: --20°C-120°C

Ø Standard Testing:  

*  Hydrostatic test: 1.5 times MOP (Max. Operation Pressure).

*  Electrical Resistance:  >= 20Mohm @ 1000v DC under dry air at 25 oC 

*  Dielectrical voltage:  >= 3.5kv AC 50Hz (1 minute) (Can be 5kv as per request)


Ordering Information:

Please specify the following requirement:

*  Pipeline Diameter, Grade of pipe, wall thickness of pipe;

*  ANSI rating

*  Medium to be transported in pipeline and temperature of transported medium

*  Additional Testing required except standard testing: X-ray, ultrasonic & magnetic testing, etc.


Company Profile

Shenyang Yongye Industry Co., Ltd. is a company specialized in research, development and manufacture of pipeline cleaner, internal coating, detection and positioning, construction of pipeline pigging and pipeline rescue for variety of long distance pipelines in oil field, petrochemical and natural gas industries.
We have our own chemical plant, Shenyang Furuida Chemical Factory, which supply polyurethane products to Yongye.
Yongye Industry Non-ferrous Metal Material Factory specialized in production of pure nickel and Monel Alloy products.
Usage: pipeline cleaner, pipeline internal coating protection construction, detection and positioning, construction of pipeline pigging and pipeline rescue
Applications: Petroleum, petrochemical, natural gas, coal gas, coal chemical industry

Main clients:
CNPC, which is China's largest oil and gas producer and supplier, as well as one of the world's major oilfield service providers and a globally reputed contractor in engineering construction.
Sinopec is a listed company on domestic and international stock exchanges with integrated upstream, midstream and downstream operations, strong oil & petrochemical core business and a complete marketing network.

Certification: ISO9001:2008
International authority of the Norwegian classification society: ISO9001- 2000 Quality Management System Certification.

Pigging Products:
1. Nickel and monel alloy products
2. Electronic pigs
3. Electronic rust remover
4. Electronic scraper
5. bi-directional pig
6. gauging go-devil
7. electronic coating device
8. polyurethane foam pig
9. reinforced foam stains remover
10. polyurethane foam remover
11. rubber cup
12. polyurethane cup
13. electronic positioning launcher and receiver
14. pig passage indicator
15. remote / explosion-proofing mechanical pig passage indicator
16. pig launcher and receiver
17. quick opening closure with locked hoop
18. eye-splice quick-opening closure
19. clamping ring type quick-opened blind flange
20. Insulating joint
21. insulating flange
22. insulating anchorage joint

Monel alloy and pure nickel products
1. Wire
2. Bar
3. Sheet
4. Plate
5. Pipe & Tube (welded & seamless)
6. Fittings (i.e. flanges, slip-ons, blinds, weld-necks, lap joints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples)
7. Meter and valve parts
8. Fasteners
9. Screw machine products
Shenyang Yongye Industry Co., Ltd.

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