humphrey air cylinder double acting double-end rod/double end mount

• Air pressure produces equal force in both directions
due to equal piston area; permits “locking” in midstroke
• One rod can be used to perform a work function,
second rod to operate limit switches, provide support
or guide
• Fixed mounting of both rod ends allows movement
of barrel only
• Bumpers and Stainless Steel Rod, standard
• Options: E, F, J, K, L, M, P, W
• Two mounting nuts included, except Model 3 & 4; order separately.
*See Accessories section.
BASIC
Piston Area SQ. IN.†
MODEL Volume CU. IN.
NO. (per inch of stroke)
8 .17
7 .39
6 .81
25 1.08
5 1.62
75 2.21
4 2.84
3 4.60
†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*
Recommended  maximum  stroke . . . . . . . . .129
*Additional heat may be generated by
seal friction (high speed cycling)
N
X
MODEL B D E F J K L M MM Add to P Q R Pilot
& BORE Dia. Rod Nose Wrench Rod Thread Nose Port Length Length For each (Typical) Pilot Rod Dia.
TYPE Exten. Length Flat x Length Thread (NPSF) stoke M MM Dia. – .001
(Stroke) increment – .006
of:
8-D2EY-h 1
/2 .62 .50 .41 None 10-32 x .50
7
/16-20
10-32
3.88 2.07
1
/29 1.00 .50 .37 .04 .187 .437
UNF
7-D2EY-h 3
/4 .88 .50 .50 None
1
/4-28 x .50
5
/8-18
1
/8 5.03 3.03 19 2.00 1.00 .48 .07 .250 .625
6-D2EY-h 1
1
/16 1.12 .62 .50 .25
5
/16-24 x .50
5
/8-18
1
/8 5.32 3.07 19 2.00 1.00 .52 .07 .312 .625
25-D2EY-h 1
1
/4 1.31 1.00 .62 .38
7
/16-20 x .75
3
/4-16
1
/8 6.83 3.58 19 2.00 1.00 .63 .07 .437 .750
5-D2EY-h 1
1
/2 1.55 1.00 .62 .38
7
/16-20 x .75
3
/4-16
1
/8 6.63 3.39 19 2.00 1.00 .62 .07 .437 .750
75-D2EY-h 1
3
/4 1.81 1.19 .75 .44
1
/2-20 x .88 1-14
1
/4 8.57 4.69 19 2.00 1.00 .72 .09 .500 1.030
4-D2EY-h 2 2.07 1.25 .81 .50
1
/2-20 x .88 1
1
/4-12
1
/4 8.31 4.19 19 2.00 1.00 .69 .12 .625 1.375
3-D2EY-h 2
1
/2 2.62 1.25 .81 .50
1
/2-20 x .88 1
3
/8-12
1
/4 8.31 4.19 19 2.00 1.00 .69 .12 .625 1.500

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