Spray gun for cement slurries - has all surfaces subject to wear in single replaceable component

摘要

The spray gun for cement slurries is supplied with material through pipe (1) and with water through connection (13). The water supply is controlled by valve (12). The spray nozzle (3) has a ring of radial water injection holes (14) which lead to an annular feed chamber (6). The annular chamber (6) is formed partly by recess (7) in nozzle (3) and partly by recess (8) in spray gun body (2). All surfaces subject to wear are part of nozzle (3) which is the only component which has to be replaced.