Butt’s Pumps and Motors - page 681

35
ADJUSTABLE SPEED • VL & VM
V-PULLEYS
VL25
2.50"
25/32"
17/32"
5/8"
3/8"
1
1/2"
37/64"
.8
VL30
2.87
25/32
17/32
5/8
3/8
1
1/2
37/64
1.0
VL34
3.15
1
5/8
7/8
1/2
1
11/16
37/64
1.1
VL40
3.75
1
5/8
7/8
1/2
1
11/16
37/64
1.3
VL44
4.15
1
5/8
7/8
1/2
1
11/16
37/64
1.3
VM50 4.75
1
1/16
11/16
7/8
1/2
1
7/8
21/32
2.8
VL25
1.6
4
2.4
0
- - - - - - - -
VL30
1.8
4
2.7
0
- - - - - - - -
VL34
1.7
4
2.5
0
1.9
5
2.9
0
2.4
5
3.2
1
VL40
2.3
4
3.1
0
2.4
5
3.4
0
2.7
6
3.7
1
VL44
2.7
4
3.5
0
2.8
5
4.4
0
3.1
6
4.1
1
VM50
3.3
4
4.1
0
3.4
5
4.4
0
3.7
6
4.7
1
F
Dimensions
O.D.
Max. Min. Max. Min.
G
L
K
Part
No.
Wgt.
Lbs.
Min.
Pitch
Max.
Pitch
Turns
Open
Turns
Open
Min.
Pitch
Turns
Open
Max.
Pitch
Turns
Open
Min.
Pitch
Turns
Open
Max.
Pitch
Turns
Open 1/2 5/8 3/4 7/8
DIAMETER RANGE
Part
STOCK BORES
MARKED "X"
"3L" Belts
"4L" or "A" Belts
"5L" or "B" Belts
NOTE - Do not use "VL" and "VM" sheaves with Gripnotch Belt Ratings.
TYPE VL
TYPE VM
K
O.D.
P.D.
Bore
G
F
L
K
O.D.
P.D.
Bore
G
F
L
VL & VM • VARIABLE PITCH SHEAVES • FINISHED BORE
DIMENSIONS
VL Sheaves are machined on
essential surfaces only. VM Sheaves
are machined over all surfaces.
All
are furnished with standard keyseats
and hollow head setscrews.
They are packaged 20 pieces per
carton.
To Order:
Part No. X Stock Bore e.g. VL34X5/8
Bore Range
Keyseats
1/2"
None
5/8 to 7/8
3/16" x 3/32"
STANDARD KEYSEATS
VARIABLE PITCH
TM
®
Number
1...,671,672,673,674,675,676,677,678,679,680 682,683,684,685,686,687,688,689,690,691,...1665
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