For further information:
(800) 514-0129 I sales.usa@imi-precision.com
www.imi-precision.com
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38
F-PLUS
EXPANDED
RANGES
HOW TO ORDER
Mounting Options
(Enter in numeric order)
BM Standard Counterbored Holes
HB Threaded Holes Both Ends
HF Threaded Holes Front
HC Threaded Holes Rear
CB Thru Holes Both Ends
1
CF Thru Holes Front
1
CR Thru Holes Rear
1
QF2250X2-BMM2
Type
QF2 2 Stage Multi-Force
QF3 3 Stage Multi-Force
QF4 4 Stage Multi-Force
1 "thru holes" are to allow bolt head to pass through,
no counter bores
1 Magnet is not reliable above 200°F when ordered with option V
Options
(Enter options in alphabetical order)
L2, L3, L4 L2, L3, L4 - Front port rotated to position 2, 3 or 4
L6, L7, L8 L6, L7, L8 - Rear port rotated to position 6, 7, or 8
LF LF - Low friction seals
LT LT - Low Temperature (-40°F to 200°F)
M1, M2, M3, M4
Magnet with track in position 1, 2, 3 or 4.
Include "M" only once and each track location after that.
For example, a cylinder with track in position 1 and 3
would have option M13
1
PR Non-threaded Rod
R.XX
Extra rod extension. Specify total additional rod extension
in inches. For example, a cylinder with an extra extension
of 1-1/2" would have option R1.5
TFC Coarse Female Thread
TM Male Thread (fine)
TMC Coarse Male Thread
V High Temperature Seals (0°F to 400°F)
1
W Rod Wiper
Bore Size
250 2-1/2"
300 3"
400 4"
Approximate Power Factors
Bore
Power Factor Extension
Power Factor
Retraction
QF2 QF3 QF4
2-1/2" (250) 9.4 13.8 18.3 4.5
3" (300) 13.5 20.0 26.5 6.5
4" (400) 24.3 36.1 47.9 11.8
Multiply the air line pressure by the power factor to get the approximate force.
For example, an QF2250X1-HB operated at 80 PSI will exert a force of 752lbs on
extension, and 360lbs on retraction.
Stroke
In inches and decimal fractions
2
