In the manufacturing and maintenance sectors of construction machinery, shield machines, hydraulic tubing, aerospace pipe fittings and other industries, bent metal steel pipes often have residual iron filings, scale, cutting oil, welding slag and debris adhered to inner walls after bending fabrication. Traditional air blowing and brush cleaning methods struggle to remove stubborn contaminants inside complex bent pipes and multi-bend tubing. Inadequate cleaning may lead to valve blockage, hydraulic system abrasion and compromise the overall equipment reliability. The AM-2 pneumatic tube cleaning gun, paired with specialized foam projectiles, serves as an optimal solution for inner wall cleaning of bent steel pipes.

The AM-2 tube cleaning gun operates on a pneumatic launching principle with user-friendly operation, compatible with most sizes of metal steel pipes. Load a foam projectile matching the pipe diameter into the gun body, connect compressed air, and pull the trigger to propel the foam projectile at high speed through the entire pipe. The high-density foam projectile fits tightly against the pipe wall. As it travels, it scrapes and entrains iron filings, dust and oil contaminants from the inner surface, discharging all debris out from the pipe outlet in one pass. For long-distance tubing with multiple bends, foam projectiles feature excellent deformability, smoothly passing through pipe elbows without jamming, achieving full-coverage cleaning without dead zones.

Core Advantages

✅ Thorough Cleaning: Flexible foam projectiles closely conform to pipe walls. Compared with simple air purging, they remove solid iron filings and welding slag for superior internal cleanliness, meeting factory cleanliness standards for hydraulic tubing and precision pipe components. ✅ Compatible with Complex Bent Pipes: Suitable for bent steel tubes and irregular oil circuit pipes, solving the pain point that conventional cleaning tools cannot navigate elbows. ✅ Low Operating Cost: Affordable foam projectile consumables with easy replacement. Single pipe cleaning takes little time, ideal for mass steel pipe cleaning on production lines. ✅ Safe & Simple Operation: Pneumatic power supply, no water or electricity required for operation. Workers can master the operation after brief training. Optional collection and counting device automatically records the quantity of foam projectiles passing through, preventing missed or incomplete cleaning cycles.

Typical Application Scenarios

Hydraulic steel pipes for shield machines, bent oil pipes of construction machinery, locomotive brake tubing, precision hydraulic assemblies, aerospace and heavy industry prefabricated steel pipe workshops. Cleaning inner walls with the AM-2 tube cleaning gun after pipe bending and welding is a critical quality control step before tubing delivery. It effectively reduces later equipment failures including oil leakage, valve clogging and component wear.

Brief Operating Procedure

1. Select foam projectiles of the correct size according to the inner diameter of the steel pipe;
2. Load the foam projectile into the AM-2 cleaning gun and connect the gun nozzle to the inlet of the pipe to be cleaned;
3. Turn on compressed air and launch the foam projectile. The projectile carries iron filings out from the opposite pipe end;
4. The foam projectile drops into the collection unit, and the counter increments automatically. A confirmed full passage of the projectile indicates successful pipe cleaning.