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RIGHT ANGLE GEAR DRIVES (NFPA 20 Clause 7.5.1.7)

Gear Drives used to transmit the torque and speed generated by the driver, and/or to turn a corner of 90°. the connection of this equipment to the gearbox can be accomplished using couplings, or hollow shaft connections.

The heart of a gear drive is the gears within it. Gears operate in pairs, engaging one another to transmit power.

 

LISTING & SELECTION:

 

7.5.1.7.2 Gear drives shall be of the vertical hollow-shaft type, permitting adjustment of the impellers for proper installation and operation of the equipment.

 

7.5.1.7.3 The gear drive shall be equipped with a nonreverse mechanism.