... Plural-Component Air-Purge Gun For high output spray polyurethane foam and polyurea applications Newly JH-P2 gun is with double use both ... the working efficiency. A variety of models round spray, flat spray and perfusion, gun cores are used interchangeably. Widely used and is ... .75 Working flow 3-9kg/min Types of gun head Roundspray,flat spray,injection/perfusion Cleaning mode Air free cleaning,air ...