Thru-Kote Connection System

Our Thru-Kote™ connection system uses a patented insert sleeve designed to protect the internal coating during the welding process.  

During the welding process, heat generated within the pipe will burn back the internal plastic coating approximately 1 to 2 in. from the welding seam. Thru-Kote sleeves isolate the burn-back of the coating and protects the steel substrate.  

Benefits

• Isolates burn-back of internal coating behind the sleeve
• Backing ring and heat tape reduce excessive temperatures 
• Holiday-free connection area 
• X-ray compatible with API and ASME 
• Compatible with Tube-Kote™ coatings 
• Suitable for onshore and offshore applications 
• Accommodates all configurations of piping systems 
• Fast and flexible method of field construction 

Configurations

• The Thru-Kote U.B™ sleeve is an unbelled connection system for 2- to 42-in. line pipe designed to protect internal coatings during welding. 
• Thru-Kote is a belled connection system allowing for a non-restricted inside diameter (ID).