humphrey air cylinder single acting reverse/ nose mount
Stainless Steel Rod, standard
• Requires air presure to retract rod
• Stress relieved spring/s extend rod
• Options: A, B, E, F, J, K, L, N, P, W
• Wearstrip standard: 3 inches or more of stroke
(optional, shorter strokes)
• Mounting nut included, except Model 4, order separately
Medium. . . . . . . . . . . . . . . . . . . . Compressed Air
Pressure range . . . . . . . . . . . . . . . . . 0–200 PSIG
Temperature range . . . . . . . . . . . . . . . . . –40°F to
160°F Ambient*
w/Fluoroelastomer . . . . . . . . . –20°F to 400°F
Ambient*
Recommended maximum stroke . . . . . . . . . . .49
*Additional heat may be generated by
seal friction (high speed cycling)
N
X
MODEL B D E F G H J K L M P Q R Pilot
& BORE Dia. Rod Nose Wrench Flat Flat Rod Thread Nose Port Length For each Rod Dia.
TYPE Re- Length Flat x Length Thread (NPSF) (w/rod stoke Add to Dia. – .001
(Stroke) tracted extended) increment M – .006
of:
8-SR-h 1
/2 .62 .50 .41 None .12 .37 10-32 x .50
7
/16-20
10-32
2.42
1
/29 1.44 .94 .37 .04 .187 .437
UNF
7-SR-h 3
/4 .88 .50 .50 None .16 .62
1
/4-28 x .50
5
/8-18
1
/8 2.78 19 2.69 1.69 .48 .07 .250 .625
6-SR-h 1
1
/16 1.12 .62 .50 .25 .25 .87
5
/16-24 x .50
5
/8-18
1
/8 3.28 19 2.56 1.56 .52 .07 .312 .625
25-SR-h 1
1
/4 1.31 1.00 .62 .38 .18 .87
7
/16-20 x .75
3
/4-16
1
/8 4.25 19 2.81 1.81 .63 .07 .437 .750
5-SR-h 1
1
/2 1.55 1.00 .62 .38 .25 .87
7
/16-20 x .75
3
/4-16
1
/8 4.00 19 2.69 1.69 .62 .07 .437 .750
75-SR-h 1
3
/4 1.81 1.19 .75 .44 .25 1.25
1
/2-20 x .88 1-14
1
/4 5.03 19 3.00 2.00 .72 .09 .500 1.030
4-SR-h 2 2.07 1.25 .81 .50 .31 1.25
1
/2-20 x .88 1
1
/4-12
1
/4 5.11 19 3.00 2.00 .69 .12 .625 1.375
BASIC
Piston Area SQ. IN.† Spring Tension
MODEL Volume CU. IN.
Pounds
NO. (per inch of stroke) Free Comp.
8 .17 1 4
7 .39 1.5 7.5
6 .81 4 12
25 1.08 7 21
5 1.62 6 18
75 2.21 12 36
4 2.84 15 42
†Area x PSIG = Approximate Force
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