Spray nozzle assemblies

摘要

A spray nozzle assembly includes a body and a spray nozzle retainer cap, and further including a device for protecting wear components from damage. Preferably, housings are provided within the spray nozzle assembly for protecting wear components, such as a swirl chamber and an orifice disc from damage. A sealing device is included within the nozzle assembly, which is subject to only compressive forces.

主权项

1. A spray nozzle assembly, comprising:
an engageable lance adaptor with components housed within a body formed from said engageable lance adaptor; a spray nozzle retainer cap comprising a substantially cylindrical skirt connected to an end of said engageable lance adaptor; a wear part housing for protecting one or more internal wear components from damage; and, a clasp having a plurality of arm members for retaining said one or more internal wear components in said body, each arm member of said plurality of arm members being an elongate structure extending longitudinally from a side of said clasp and passing over said one or more internal wear components, said wear part being substantially disc-shaped or cylindrically-shaped and having a flat upper part for engaging a terminal end of each said arm member of said plurality of arm members.