The pipe joint Angle, reduce the gun load, make operation easy. Gas valve can prevent trigger is stuck. Gas auxiliary spring can quickly cut into the mixing head of raw materials. Jet linear continuous and smooth, no field control. Pneumatic wrench can reduce the labor intensity of operators.All steel hybrid head, output, precise control of spraying position, reduce the waste of raw materials, particularly applicable to residential construction between two walls of spraying. Single valve device can prevent ISO material and POLY material flow back, and not apart gun, which can check the gun inside most of the seal. Use manual switch valve, no tool can quickly and easily switch gun. High pressure vacuum mixed to ensure the best. Air inlet pressure: 0.2-0.12mpa. Cleaning method:self cleaning with air. Mix Chamber Size:1.3mm2.1mm. Spray nozzle size:1.6mm/1.8mm. Optimal spray distance:0.5-1m. Uses: tank pouring, panel house spraying, model casting, sculpture spraying, container spraying, cold storage spraying, exterior wall insulation, tank insulation, passenger car compartment, profile filling, etc. NOTE: Need to be used with air compressor and polyurethane spraying machine. Feedback is very important to us. It is impossible to address issues if we do not know about them! Faction is our ultimate goal. We work hard to earn your trust and future business. A If you receive a defective item, you may return it or ask for a discount. Due to time zones, our reply to your questions may not be immediately. If it's non-workdays, please kindly be patient and wait till Monday. Compact Design, Unique Appearance, high reliability. Used with air compressor & polyurethane spraying machine.