COUPLING

                                            COUPLING 

 

coupling s

A pump shaft is connected to the driver shaft by means of a coupling.  The most commonly used type of couplings are: - 

 

1. Rigid type (for vertically mounted pumps). 

 2. Flexible type in various designs. 

 a. Flexible membrane. 

b. Gear 

c. Rubber bellows 

d. Chain and sprocket

 e. Rubber bush. 

 

Flexible coupling can tolerate misalignment to some extent and does not allow the pump to vibrate.