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249

RD-Series, Precision Production Cylinders

Stroke

(in)

CylinderCapacity

(tons)

Cylinder Effective Area

(in2 )

Max. CylinderCapacity

(tons)

ModelNumber

Oil Capacity

(in3 )

Advance Advance AdvanceRetractRetract Retract

Shown from left to right: RD-2510, RD-96, RD-256, RD-41, RD-166

• Designed for long life, the best choice forproduction applications

• Unique mounting configurations simplify fixturing• Baked enamel finish for increased corrosion resistance• Double-acting operation develops force in both directions,

providing maximum versatility

• Plunger wiper reduces contamination, extendingcylinder life

High Precisionand High Cycle

Performance

Golden Ring Design

Enerpac RD cylinders areprovided with the Golden Ring Design,for long, trouble-free performance.

Collap.Height

A(in)

Ext.Height

B(in)

BodyLength

C(in)

OutsideDiam.

D(in)

CylinderBoreDiam.

E(in)

PlungerDiam.

F(in)

Speed Chart

See the Enerpac CylinderSpeed Chart in our ‘YellowPages’ to determine your

approximate cylinder speed. Page:

Clamping application using Enerpac RDcylinders (with clevis eye attachments on

both ends) for their high-pressure capability and mounting flexibility.

1.133.136.131.133.136.13

10.136.25

10.256.25

10.25

4449999

16162525

222555588

1111

.79

.79

.791.771.771.771.773.143.144.914.91

.34

.34

.34

.98

.98

.98

.981.661.662.152.15

.882.454.811.995.52

10.8217.8919.6332.2030.6850.31

.391.072.101.103.076.019.94

10.3516.9813.4222.01

4

9

16

25

RD-41RD-43RD-46RD-91RD-93RD-96RD-910RD-166RD-1610RD-256RD-2510

7.319.31

12.318.75

10.7813.7817.7815.3119.3116.6920.69

6.388.38

11.387.809.80

12.8016.8114.1318.1115.6319.61

2.002.002.002.502.502.502.503.003.003.633.63

8.4412.4418.449.88

13.9119.9127.9121.5629.5622.9430.94

1.001.001.001.501.501.501.502.002.002.502.50

.75

.75

.751.001.001.001.001.381.381.881.88

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D

C

E

AB

F

H

M

L

L1

N

A

N

P

W

C

Z1

I

ZX

F

WD

K

E

H

X

B

Q

3/8"-18 NPTF

HC

A

D

B

E

F

E

C

D

AB

E

C AB

D

Foot MountingMounts onto cylinder collar

Double-Acting, Precision Production Cylinders

Wt.

(lbs)

Bottom to Adv.Port

I(in)

PlungerProtrusion

K(in)

ModelNumber

NeckLength

N(in)

PlungerThreadLength

P(in)

PlungerExternalThread

Q(in)

Cylinder Mounting Dimensions (in)

CollarThread

W

CollarThreadLength

X

Int. BaseThread

Z

Int. BaseThreadLength

Z1

ModelNumber

RD-Cyl:(tons) A B C D E F H

Flange MountingMounts onto cylinder collar

Clevis EyeThreads onto plunger or

into cylinder base

Retainer NutFor locking foot or flange

mountings. Tightens ontocylinder collar threads(included with foot andflange mounting kits)

Foot Mounting with Retainer Nut

Flange Mounting with Retainer Nut

Retainer Nut

Clevis Eye

RDSeries

Capacity:

4-25 tonsStroke:

1.13-10.25 inchesMaximum Operating Pressure:

10,000 psi

Topto Ret.Port

H(in)

RD CYLINDER ATTACHMENTS

Dimensions (in)

Clevis Eye MountingDimensions

L L1 M(in) (in) (in)

Clevis Eye (optional)

4.86.49.09.0

11.014.019.022.029.036.046.0

1.881.881.882.272.272.272.272.902.903.503.50

.94

.94

.94

.98

.98

.98

.981.191.191.061.08

½ "-20½ "-20½ "-20¾ "-16¾ "-16¾ "-16¾ "-16

1⅛ "-121⅛ "-121½ "-121½ "-12

1.131.131.131.501.501.501.502.132.132.752.75

.75

.75

.75

.75

.75

.75

.751.001.001.001.00

RD-41RD-43RD-46RD-91RD-93RD-96RD-910RD-166RD-1610RD-256RD-2510

1 ⅜ "-121 ⅜ "-121 ⅜ "-122"-122"-122"-122"-12

2 ⅝ "-162 ⅝ "-163 ⅝ "-163 ¼ "-16

.44

.44

.44

.56

.56

.56

.56

.88

.881.131.13

1⅛ "-201⅛ "-201⅛ "-20111/ 6"-18111/ 6"-18111/ 6"-18111/ 6"-182 3/ 6"-162 3/ 6"-162 ¾ "-162 ¾ "-16

.35

.35

.35

.55

.55

.55

.55

.94

.941.021.02

49

1625

49

1625

4

91625

49

1625

1.382.002.633.25

1.382.002.633.25

1⅜ "-12 UNF

2"- 122⅝ "- 163¼ "- 16

½ "- 20¾ "- 16

1⅛ "- 121½ "- 12

3.004.005.006.26

3.884.755.636.50

2.25

3.003.634.25

1⅛ "- 20111/ 6"- 1823/ 6"- 162¾ "- 16

.41

.53

.781.03

.41

.41

.53

.66

.25

.27

.27

.27

.63

.751.001.25

.761.001.381.76

.751.001.381.75

.38

.50

.751.00

.631.001.251.50

2.253.254.004.88

––––

–

–––

.751.001.001.00

1.251.752.062.50

––––

–

–––

.94

.941.191.06

AD-141 AD-171 AD-181 AD-191

AD-142 AD-172 AD-182 AD-192

AD-143

AD-173 AD-183 AD-193

AD-150 AD-151 AD-152 AD-153

2.002.883.764.62

3.093.884.565.34

1.81

2.503.123.75

1.121.311.882.00

1.881.881.882.272.272.272.272.902.903.503.50

10.1212.1215.1211.6113.6616.6620.6619.3223.3220.8624.86

11.2515.2521.2512.7616.7922.7930.7925.5733.5727.1135.11

1.611.611.611.501.501.501.502.052.052.092.09