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Hollow Plunger Cylinders
ERA Industrial Sales > Enerpac > Single Acting
Hollow Plunger Cylinders
> Item # RCH-206

Item # RCH-206, Single Acting
Hollow Plunger Cylinders

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  • Hollow plunger design allows for both pull and push forces
  • Single-acting, spring return
  • Nickel-plated, floating center tube on models over 20 tons increases product life
  • Baked enamel finish for increased corrosion resistance
  • Collar threads for easy fixturing
  • RCH-120 includes AR-630 coupler and has 1/4 NPT port
  • RCH-121 and RCH-1211 have FZ-1630 reducer and AR-630 coupler, all other models feature CR-400 coupler

 Specifications   Remark   


31 lbs


6.10 Inch

Cylinder Effective Area

4.72 inch2

Oil Capacity

28.80 inch3

Cylinder Capacity

20 ton

Max. Operating Pressure

10,000 psi

A-Collapsed Height

12.05 Inch

B-Extended Height

18.15 Inch

D-Outside Dia.

3.88 Inch

E-Cylinder Bore

2.88 Inch

F-Plunger Dia

2.13 Inch

H-Base to Adv. Port

.75 Inch

J- Saddle Dia.

2.13 Inch

K Saddle Protrusion from Plgr.

.27 Inch

O- Plunger Internal Thread

1 9/16 - 16 UN Inch

P-Plunger Thread Length

.75 Inch

U/U1- Mounting Hole Bolt Circle

3.25 Inch

V-Mounting Hole Thread

3/8 - 16 UNC Inch

W- Mounting Collar Thread

3 7/8 - 12 Inch

X- Collar Thread Length

1.50 Inch

Y- Center Hole Dia.

1.06 Inch

Z- Mounting Hole Thread Depth

.62 Inch

Saddle Model No.


Saddle Type

Threaded Hollow

Saddle Dim.-A

2.11 Inch

Saddle Dim.-B

1-8 Inch

Saddle Dim.-C

.38 Inch


·  Dimensional Drawing