HOSE CLASSIFICATION

COUPLINGS

 

     These are metal fittings used for joining two lengths of hose together or a hose to an apparatus or vice versa.

     These are fitted to either end of the hose lengths used for suction or delivery purposes.

     All couplings are always a pair of two pieces.

     One is called the "male" and the other a "female".

     Instantaneous cou­plings are now standard in India for delivery hose and pump outlets whereas "threaded       couplings are used on suction hose and pump inlets.

     Instantaneous couplings are provided with the spring loaded lugs with the help of which the hoses can be snapped on and off in an instant.

     These are provided with the swiveling action for running the coils.

 

1) THREADED:

 

     the coupling is provided with threads to lock male cooling to female coupling.

 

2) INTERLOCKING:

 

     the coupling is provided spring lock in female coupling.

     just push the male coupling in to the female coupling it will automatically locked by spring loaded locks.

 

3)  MALE -  FEMALE COUPLING:

 

      Male Coupling:

 

     Serrated Tail

     Lip

     Flange

 

 

     Female Coupling:

     Serrated Tail

     Two hollow lugs

     Spring loaded plunger with cam shaped tooth

     Stop nut

     Cap

     Metal Disc

     Spring

     Washer