35
F-PLUS
EXPANDED
RANGES
For further information:
(800) 514-0129 I sales.usa@imi-precision.com
www.imi-precision.com
WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov
HOW TO SPECIFY
Weights
Bore
Approximate Cylinder Weights (oz)
Base
Adder per 1/8" of stroke
QF2 QF3 QF4 QF2 QF3 QF4
2-1/2" (250) 37.2 53.3 69.4 1.2 1.8 2.4
3" (300) 49.9 71.0 92.1 1.6 2.4 3.2
4" (400) 93.1 133.8 174.5 2.0 3.0 4.0
Dimensions (in)
Bore A
B**
C D E Standard E Coarse E Depth F H
QF2 QF3 QF4
2-1/2" (250) 3.75 2.29 3.15 4.02 3.25 1/4 1/2-20 UNF 1/2-13 UNC 0.70 0.75 0.63
3" (300) 4.25 2.39 3.28 4.18 3.78 1/4 5/8-18 UNF 5/8-11 UNC 0.73 0.88 0.75
4" (400) 5.50 3.04 4.15 5.27 4.94 5/16 3/4-16 UNF 3/4-10 UNC 0.80 1.00 0.88
Bore J K L R T V X Z AA BB CC
2-1/2" (250) 0.66 0.33 1/4 NPT 1/4-20 UNC 0.91 0.58 0.41 N/A 1.00 1.79 2.65
3" (300) 0.69 0.33 1/4 NPT 1/4-20 UNC 0.94 0.58 0.39 0.28 1.03 1.85 2.75
4" (400) 0.84 0.42 3/8 NPT 5/16-18 UNC 1.22 0.80 0.50 0.34 1.43 2.47 3.58
*See page 37 for length adders for options.
Bore Type
Final Overall Cylinder Length*
Stroke
.125 .188 .250
2-1/2" (250)
QF2 2.65 2.71 2.77
QF3 3.64 3.76 3.87
QF4 4.63 4.81 4.97
3" (300)
QF2 2.75 2.81 2.88
QF3 3.77 3.90 4.01
QF4 4.79 4.98 5.15
4" (400)
QF2 3.38 3.44 3.53
QF3 4.61 4.74 4.89
QF4 5.85 6.04 6.24
** For Strokes .125, .188, and .250
Specifications (in)
2
