P2 PU Polyurethane Foam Spray Gun High Pressure Spray Gun Air Purge Spray Gun Posted on July 4, 2023 by admin Name: Polyurethane foam spray gun. Specifications: P2 spray gun. Maximum working pressure: 35 Mpa. Working air pressure: 0.2-1.2Mpa. Cleaning method: air cleaning. Types of nozzles: round nozzles, fan nozzles, casting nozzles. Muzzle size: 1.6mm.