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Automatic Control Variable Speed Pulley
: DIMENTIONAL DATA :
-: 2 To 1 SPEED VARIATION :-
REF. NO MAX. BORE VARI-SPEED BELT SECTION PITCH DIA.OF V/S PULLEY OUTSIDE DIAMETER SUITABLE FOR H.P. @1440 RPM
2/A/15 2 1/2" 2 1/4" X 5/8" MIN 7"MAX 14" 15" 12 TO 15 H.P.
-: 3 To 1 SPEED VARIATION :-
3-A/5 1/2" B SEC 1 1/2" 4 1/2" 5" 1/2 H.P.
3-A/6 1" 7/8" X 3/8" 1 3/4" 5 1/2" 6" 3/4 H.P.
3-A/7 1" 7/8" X 3/8" 1 3/4" 6 1/2" 7" 1 H.P. TO 2.H.P.
3-A/8 1" 1" X 3/8" 2" 7 1/2" 8" 1.5 TO 2 1/2 H.P.
3-A/9 1 1/4" 1 1/4" X 1/2" 2 1/2" 8" 9" 2.5 TO 3 H.P.
3-A/10 1 1/2" 1 1/2" X 5/8" 2 3/4"9" 10" 4 TO 5 H.P.
3-A/12 1 3/4" 2 1/4" X 5/8" 3"10 7/8" 12" 7.5 TO 12 H.P.
3-A/15 2" 2 1/4" X 5/8" 3 1/4"14" 15" 12.5 TO 15 H.P.
3-A/18 2 1/4" 3" X 1" 4"16" 18" 16 TO 20 H.P.
3-A/20 2 1/2" 3" X 1" 4 1/2"18" 20" 20 TO 30 H.P.
-: 4 To 1 SPEED VARIATION :-
4-A/75 3/4" 1" X 3/8" 1 3/4" 7" 7 1/2" 3/4 TO 2 H.P.
4-A/10 7/8" 1 1/2" X 5/8" 2 3/8" 9 1/2" 10" 3 TO 4 H.P.
4-A/12 1 1/8" 2 1/4" X 5/8" 2 7/8"11 1/2" 12" 7 TO 12 H.P.
4-A/14 1 3/8" 2 1/4" X 5/8" 3 3/8"13 7/16" 14" 12 TO 15 H.P.
4-A/19 1 5/8" 3" X 1" 4 1/2" 1.8 19" 20 H.P.
HOW TO SELECT THE CORRECT VARIABLE SPEED BELT FOR AUTOMANUAL VARIABLE SPEED DRIVES WITH GIVEN FIXED CENTRE TO CENTRE SHAFT DISTANCE :
MAX BORE OF BOTH PULLEY INC.
INSIDE CIRCUMFERENCE OF VARIABLE SPEED BELT IN INCHES.
30 38 45 56 69 81 90
CENTER TO CENTER DISTANCE IN INCHES
OF THE DRIVE AND DISTANCE SHAFTS.
3/4 10 14 17 1/2 - 29 - -
1 - 2 15 1/2 21 27 33 1/2 33
1 1/4 - - 14 19 1/2 25 1/2 32 36 1/2
1 1/2 - - - 17 1/2 23 1/2 30 34 1/2
 
Note : In process of making the product better the actual product may differ in design From the actual displayed product.
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