NM01T99922744340A

The STAINLESS STEEL ROLLING SPRING is a durable and robust inspection tool designed for efficient and thorough examination of large cylindrical surfaces with an outer diameter (O/D) ranging from 860mm to 910mm (approximately 33.9 inches to 35.8 inches). This rolling spring is specifically sized for pipes designated as NPS 34 (Nominal Pipe Size), which corresponds to a DN 864 (Diameter Nominal).  

Constructed from high-quality stainless steel, this rolling spring offers excellent resistance to corrosion and wear, ensuring reliable performance even in demanding inspection environments. Its design allows it to conform closely to the curvature of the pipe surface, maintaining consistent contact for accurate and comprehensive testing.

When used with compatible ultrasonic testing equipment (typically holiday detectors), the rolling spring probe facilitates a smooth and continuous inspection process. As the probe is moved along the pipe's surface, the rolling spring ensures a constant electrical connection, enabling the detection of pinholes, coating flaws, and other surface discontinuities.

Key Selling Points:

• Precise Size for Large Diameter Pipes: Specifically designed for O/Ds between 860mm and 910mm (NPS 34, DN 864).  

• Durable Stainless Steel Construction: Offers excellent corrosion resistance and longevity.  

• Ensures Consistent Contact: The rolling design maintains reliable contact with the pipe surface for accurate testing.  

• Facilitates Efficient Inspection: Allows for quick and continuous examination of lengthy pipe sections.  

• Essential Accessory for Holiday Detection: Compatible with various holiday detectors for effective coating flaw detection.  

Benefits:

• Reliable Detection of Coating Flaws: Ensures the integrity of protective coatings on large diameter pipes.

• Increased Inspection Speed: Allows for faster coverage of large surface areas compared to stationary probes.  

• Durable and Long-Lasting: Stainless steel construction minimizes replacement costs.

• Easy to Use: Simple rolling motion facilitates straightforward inspection.  

• Ensures Thorough Coverage: Maintains consistent contact for comprehensive examination.

Applications:

• Inspection of protective coatings on large diameter steel pipes in various industries, including:

  • Oil and Gas pipelines

  • Water and wastewater infrastructure

  • Chemical processing plants

  • Storage tanks

• Quality control during the coating process of large pipes.

• Maintenance and integrity assessments of existing coated pipelines.

This Stainless Steel Rolling Spring is a crucial accessory for professionals involved in the inspection of large diameter pipes, providing a reliable and efficient method for ensuring the integrity of protective coatings.

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