The 16" Rapid Purge - Inflatable Pipe Purging System (Part No. RP16) from 8-PPM PURGING is engineered for highly efficient pipe purging, crucial for achieving high-quality welds in various industrial applications. This advanced inflatable system is specifically designed for nominal pipe sizes of 16" (400 mm), accommodating internal diameters ranging from 14.38 - 15.73" (365 - 400 mm). Weighing just 5 lbs (2.70 kg), the RP16 system is lightweight and easy to handle, making it ideal for both workshop and on-site use. Each Rapid Purge system is thoughtfully equipped with dual fittings to ensure global compatibility: an International 21 KA series male connector and an Americas 1/4" (0.25") NPT male connector. This allows for seamless integration into existing welding setups worldwide. The system boasts a versatile 35 mm / 1.37" expansion range, providing flexibility for slightly varied pipe dimensions and ensuring a snug, effective seal. For projects requiring different specifications, 8-PPM PURGING offers larger sizes and custom solutions upon request, demonstrating their commitment to meeting diverse project requirements. The Rapid Purge system guarantees a clean, inert environment within the pipe, preventing oxidation and ensuring superior weld integrity. SPECIFICATIONS: • Manufacturer Catalog Number: RP16 • Manufacturer: 8-PPM PURGING • Nominal Pipe Size (Imperial): 16" • Nominal Pipe Size (Metric): 400 mm • Internal Diameter Range (Imperial): 14.38 - 15.73" • Internal Diameter Range (Metric): 365 - 400 mm • Product Weight: 5 lbs / 2.70 kg • Expansion Range: 35 mm / 1.37" • International Fitting: 21 KA series male connector • Americas Fitting: 1/4" (0.25") NPT male connector