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Hollow Plunger Hydraulic Cylinder

Aluminum Cylinder 127.5 ton Capacity, 9.84 in Stroke



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RACH10010, 127.5 ton Capacity, 9.84 in Stroke, Aluminum Hollow Plunger Hydraulic Cylinder

ACH-Series Aluminum Hollow Hydraulic Cylinders can deliver both push and pull forces. They’re lighter than steel equivalents for improved portability, and include a high-strength return spring for rapid retraction.

RACH10010, 127.5 ton Capacity, 9.84 in Stroke, Aluminum Hollow Plunger Hydraulic Cylinder


Model: RACH10010 | ECCN: EAR99 | Harmonization: 8412210075
Series: RACH | Product Line: Industrial Tools

RACH-Series Hollow Plunger Hydraulic Cylinders (sometimes called center-hole cylinders) feature a hollow plunger with an internal thread to allow fixing to the component to be pulled. This makes them the ideal choice for when you need a lighter, more portable cylinder for applications such as tensioning, testing, pulling, and lifting. Each RACH Cylinder is rated for up to 10,000 psi (700 bar) and compliant with ASME B30.1.

Each RACH Cylinder is single-acting and uses a high-strength return spring for rapid retraction. All are equipped with bolt-on hardened steel saddles and a steel base plate for increased durability.

Aluminum is not only lightweight, but also inherently less corrosive than steel, which makes it a great material for use in many caustic environments. For enhanced protection, RACH Aluminum Cylinders are finished with an anodized hard coat finish to resist damage and extend cylinder life.

  • Hollow plunger design allows for both pull and push forces
  • Composite bearings increase cylinder life and side load resistance
  • Hard coat finish on all surfaces resists damage and extends cylinder life
  • Handles included on all models
  • Floating center tube increases seal life
  • Steel baseplate and saddle for protection against load-induced damage
  • Integral stop ring prevents plunger over-travel and is capable of withstanding the full cylinder capacity
  • High-strength return spring for rapid cylinder retraction
  • CR400 coupler and dustcap included on all models
  • All cylinders meet ASME B-30.1 standards


Maximum Operating Pressure (psi):  10,000
Capacity Class (tonnage):  100
Maximum Cylinder Capacity Advance (short tons):  127.5
Stroke (in):  9.84
Collapsed Height A (in):  20.76
Extended Height B (in):  30.6
Center Hole Diameter Y (in):  3.11
Return Type:  Single-Acting, Spring Return
Plunger Type:  Hollow
Material:  Aluminum
Cylinder Effective Area Advance (in2):  25.51
Oil Capacity Advance (in3):  251.07
Surface Treatment:  Anodized
Coupler:  CR400 Coupler
Weight (lbs):  129.3


Collapsed Height A (in):  20.76
Extended Height B (in):  30.6
Outside Diameter D (in):  9.84
Cylinder Bore Diameter E (in):  7.28
Plunger Diameter F (in):  5.71
Base to Advance Port H (in):  2.41
Saddle Diameter J1 (in):  5.71
Saddle Protrusion from Plunger K (in):  0.55
Base Mounting Holes Thread V:  M10
Center Hole Diameter Y (in):  3.11

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