Female Pre-Insulating Joint

We always put efforts on market management of Spiral Bridge Slot Well Screen, Stainless Steel Screen Pipe, Well Accessories, meanwhile, the quality is the stepping stone of one company. At present, our products have reached cooperation agreements with many customers, supplying products for many large-scale facilities at home and abroad. We have advanced production lines and testing equipment, adhering to the principle of quality first, customer first, and strive to achieve mutual benefit and win-win situation.

Pipe Insulating Joints are designed in accordance with ASME Pressure Vessel Code, Section VIII, Division 1, unless another recognized code is specified. Each PIJ is designed to be at least as strong as a comparably rated pipeline when subjected to external loads. 

Technical parameters:
Size: DN15 to DN1500
Pressure range: PN1.0 to PN42 Mpa
Service life: same as the service life of pipeline
Applicable medium: oil, gas, water, chemical raw material, ore pulp 

Quality requirement:
Insulating resistance≥6 MΩ at DC 1000V
Insulating intensity: no breakdown or puckering arc for one minute at 2500V 50Hz
Hydraulic test pressure: 1.5 times of designed pressure
Air-tight testing pressure: equivalent to designed pressure
Non-destructive testing: All the butt-welding ends are 100% X ray-detected, other pressure welding seams are 100% magnetic power detected
Bevel end: according to ASME B16.25

These principles today much more than ever form the basis of our success as an internationally active mid-size business for Female Pre-Insulating Joint. We achieve development with talents, create value with science and technology, win trust from customers with quality and create win-win situation with integrity. We always adhere to the principles of trust, win-win, openness and mutual respect, and try our best to use all our experience and expertise to meet the different requirements of our customers.

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