BALBOA/VICO | VOLUTE BACK ½ HP - 2 HP | PPULVB (1211008)

VICO ORIGINAL #PPULVB
BALBOA CURRENT # 1211008

THIS IS THE VOLUTE BACK USED IN THE VICO, ULTIMA, ULTIMA
PLUS, ULTRA FLO PUMPS UP TO BUT NOT INCLUDING 3 AND 4 HP.

THIS IS SLIGHTLY DIFFERENT FROM THE WIDE VOLUTE
BACK USED IN OTHER HORSEPOWERS, SEE BELOW FOR HOW
TO TELL THE DIFFERENCE. 

THIS IS HELD TO THE REST OF THE PUMP BODY WITH 4 NUTS
AND BOLTS THRU THE BOLT HOLES WHICH ARE ON 1/2" x 1/2" EXTENSIONS FROM THE BODY AND VOLUTE.

THERE ARE 4 SHORT EXTENSION ON THE BACK WITH
BRASS THREADED INSERTS TO ATTACH THIS TO THE MOTOR

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DIMENSIONS:

OUTSIDE DIAMETER: 5-7/8" (NOT INCLUDING EXTENSIONS)
FRONT TO BACK: 1-1/2" (NOT INCLUDING EXTENSION)
FRONT TO BACK: 2-1/16" (INCLUDING EXTENSIONS 

DIAMETER OF INSIDE CENTER PIECE: 5-3/32"

DIAMETER OF SHAFT SEAL OPENING: 1-3/8"

DISTANCE FROM CENTER TO CENTER: 3-11/16" (BRASS INSERTS)
ACTUALLY THIS IS JUST SLIGHTLY UNDER 3-11/16"

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DIFFERENCE BETWEEN WIDE BACK, 5190-041 AND
STANDARD BACK 5190-039

ON THE WIDE BACK, THE OUTSIDE PART OF THE VOLUTE IS WIDER
FROM FRONT TO BACK THAN IT IS ON THE STANDARD. 

THE OUTSIDE BODY IS FLUSH WITH THE CENTER PIECE ON THE WIDE
ON THE STANDARD BODY, THE CENTER PIECE EXTENDS ABOUT
3/16" PASTE THE OUTSIDE BODY. 

ANOTHER WAY TO CHECK IS BY MEASURING THE OUTSIDE BOLT
HOLE EXTENSIONS. THEY ARE LONGER FRONT TO BACK ON THE WIDE

EXTENSIONS FRONT TO BACK WIDE VOLUTE BACK: 3/4" LONG
EXTENSIONS FRONT TO BACK STANDARD VOLUTE BACK: 9/16" LONG