Abstract: A rotational coupling including a bearing assembly including a first race rotatably coupled to a second race, wherein the first race is configured to receive a plurality of first fasteners to couple the first race and the bearing assembly to a fluid supply. The rotational coupling also including a connection flange coupled to the second race and configured to receive a plurality of second fasteners to couple the connection flange to the second race. The second race includes a first side facing the connection flange and a second side opposite the first side and facing the first race, wherein the second race includes at least one access aperture configured to enable access to the plurality of first fasteners from the first side to removably couple the bearing assembly to the fluid supply.

Abstract: A rotational coupling including a bearing assembly including a first race rotatably coupled to a second race, wherein the first race is configured to receive a plurality of first fasteners to couple the first race and the bearing assembly to a fluid supply. The rotational coupling also including a connection flange coupled to the second race and configured to receive a plurality of second fasteners to couple the connection flange to the second race. The second race includes a first side facing the connection flange and a second side opposite the first side and facing the first race, wherein the second race includes at least one access aperture configured to enable access to the plurality of first fasteners from the first side to removably couple the bearing assembly to the fluid supply.

Abstract: A nozzle assembly configured to selectively provide fire suppression agent to a space. The nozzle assembly includes a cover, a cap releasably coupled to the cover to define a cavity, and a nozzle head received within the cavity. The nozzle head is configured to provide the fire suppression agent to a hazard area. The cap is released from the cover in response to a pressure formed by the release of fire suppression agent by the nozzle head into the cavity.

Abstract: A grate assembly includes a grate and a nozzle. The grate includes a nozzle aperture. The nozzle is received by the nozzle aperture. The nozzle includes a base and a baffle coupled to the base. The base and the baffle define a plurality of flow paths. The nozzle also includes a deflector ring removably positioned between the baffle and the base. The deflector ring includes a body that defines a spray outlet, wherein the body allows fluid flow through one or more flow paths aligned with the spray outlet and prevents fluid flow through the remaining flow.

Abstract: A rotational coupling including a bearing assembly including a first race rotatably coupled to a second race, wherein the first race is configured to receive a plurality of first fasteners to couple the first race and the bearing assembly to a fluid supply. The rotational coupling also including a connection flange coupled to the second race and configured to receive a plurality of second fasteners to couple the connection flange to the second race. The second race includes a first side facing the connection flange and a second side opposite the first side and facing the first race, wherein the second race includes at least one access aperture configured to enable access to the plurality of first fasteners from the first side to removably couple the bearing assembly to the fluid supply.