humphrey air cylinder single acting and single acting reverse2block frount mount

Spring Tension
MODEL Volume CU. IN.
Pounds
NO. (per inch of stroke) Free Comp.
8-BFS .20 1 2
7-BFS .44 1.5 5
6-BFS .89 4 8
5-BFS 1.77 6 12
8-BFSR .17 1 4
7-BFSR .39 1.5 7.5
6-BFSR .81 4 12
5-BFSR 1.62 6 18
†Area x PSIG = Approximate Force
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)
BFS Single Acting
N
X
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 Holes
TYPE Exten. Flat x Length (NPSF) stoke Add to Dia. – .001
(Stroke) increment M – .006
of:
Two #8-32 holes
8-BFS-h 1
/2 .75 .50 None .12 .37 10-32 x .50 on .75 diameter
10-32
2.42
1
/29 .94 .44 .31 .06 .187 .44 .437 .44 Two #8-32 holes
bolt circle
UNF
Two #10-32 holes
Two holes drill
7-BFS-h 3
/4 1.00 1.06 .22 .16 .62
1
/4-28 x .75 on 1.0 diameter
1
/8 3.34 19 1.69 .69 .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-BFS-h 1
1
/16 1.25 1.12 .25 .25 .87
5
/16-24 x .50 on 1.25 diameter
1
/8 4.28 19 1.56 .56 .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-BFS-h 1
1
/2 1.75 1.50 .38 .25 .87
7
/16-20 x 1.25 on 1.75 diameter
1
/4 5.00 19 1.69 .69 1.00 .12 .437 .66 1.000 112.
and c’bored for
bolt circle
1
/4-20 cap screw
tap
5
/16-18
For remaining
stroke
increment,
Add to M, plus
remaining stroke
BFSR Single Acting Reverse
N
X
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 Re- Flat x Length (NPSF) (w/rod stoke Add to Dia. – .001 Through Holes
(Stroke) tracted ex- increment M – .006
tended) of:
Two #8-32 holes
8-BFSR-h 1
/2 .75 .50 None .12 .37 10-32 x .50 on .75 diameter
10-32
2.42
1
/29 1.44 .94 .31 .06 .187 .44 .437 .44 Two #8-32 holes
bolt circle
UNF
Two #10-32 holes
Two holes drilled
7-BFSR-h 3
/4 1.00 1.06 .22 .16 .62
1
/4-28 x .75 on 1.0 diameter
1
/8 3.34 19 2.69 1.69 .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 drilled
6-BFSR-h 1
1
/16 1.25 1.12 .25 .25 .87
5
/16-24 x .50 on 1.25 diameter
1
/8 4.28 19 2.56 1.56 .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 drilled
5-BFSR-h 1
1
/2 1.75 1.50 .38 .25 .87
7
/16-20 x 1.25 on 1.75 diameter
1
/4 5.18 19 2.69 1.69 1.00 .12 .437 .66 1.000 112.
and c’bored for
bolt circle
1
/4-20 cap screw
tap
5
/16-18
For remaining
stroke
increment,
Add to M, plus
remaining stroke
SINGLE ACTING AND SINGLE ACTING REVERSE/BLOCK FRONT MOUNT
HUMPHREY AIR CYLINDERS
• No rod bushing, Model 8... front head hard anodized.
Model Shown 6-BFS-1
Rod Clevis (Model CT–*)
• Stainless Steel Rod, standard
• Wearstrip standard BFSRs
•

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