Sign # Indicates Pump Size, 5-short, 6-medium, 7-long, Sign @ Indicates Pump Type, 0-RDRB, 1-RDRBJ, 2-RDRN, 3-RDRNJ, 4-RDRX, 5-RDRXJ, Sign * Indicates Motor Type, W-NON-Flame Proof, X-Flame proof motor.

Modified tooth profile enhances the tooth life.
Floating gear-design ensures uniform load distribution.
Low-leakage path by design improve volumetric efficiency.