humphrey air cylinder double acting/block front mount

• Versatile mounting...
through-head, or front mount
using pilot
• Stainless Steel Rod, standard
• Wearstrip standard (Double
acting only): 5 inches or more of
stroke (Optional, shorter strokes)
• Options: A, B, E, F, J, K, L, M, N, P
*Order separately. See Accessories section.
Medium. . . . . . . . . . . . . . . . . . . . Compressed  Air
Pressure  range . . . . . . . . . . . . . . . . . 0–200  PSIG
Temperature  range . . . . . . . . . . . . . . . . . –40°F  to
160°F Ambient*
w/Fluoroelastomer . . . . . . . . . –20°F  to  400°F
Ambient*
*Additional heat may be generated by
seal friction (high speed cycling)
Piston Area SQ. IN.†
Volume CU. IN.
BASIC (per inch of stroke)
MODEL Plain Side Rod Side
8-BFD .20 .17
7-BFD .44 .39
6-BFD .89 .81
5-BFD 1.77 1.62

MODEL B D F G H J K L M P Q R T Pilot Y Z
& BORE Square Rod Wrench Flat Flat Rod Thread Mounting Holes Port Length For each Pilot Rod Dia. Mounting
TYPE Exten. Flat x Length (NPSF) stoke Add to Dia. – .001 Through Holes
(Stroke) increment M – .006
of
Two #8-32 holes
8-BFD-h 1
/2 .75 .50 None .12 .37 10-32 x .50 on .75 diameter
10-32
2.62
1
/29 .50 .31 .06 .187 .44 .437 .44 Two #8-32 holes
bolt circle
UNF
Two #10-32 holes
Two holes drill
7-BFD-h 3
/4 1.00 1.06 .22 .16 .62
1
/4-28 x .75 on 1.0 diameter
1
/8 4.03 19 1.0 .48 .09 .250 .51 .625 .62
and c’ bored for
bolt circle
10-32 cap screw
tap
1
/4-20
Two #10-32 holes
Two holes drill
6-BFD-h 1
1
/16 1.25 1.12 .25 .25 .87
5
/16-24 x .50 on 1.25 diameter
1
/8 4.75 19 1.0 .72 .09 .312 .54 .750 .81
and c’ bored for
bolt circle
10-32 cap screw
tap
1
/4-20
Four
1
/4-20 holes
Two holes drill
5-BFD-h 1
1
/2 1.75 1.50 .38 .25 .87
7
/16-20 x 1.25 on 1.75 diameter
1
/4 5.44 19 1.0 1.00 .12 .437 .66 1.000 112.
and c’ bored for
bolt circle
1
/4-20 cap screw
tap
5
/16-18

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