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Graco 15M390 7.5 In x 2.5 In Stroke Cylinder

The Graco 15M390 Cylinder 75 In 2.5″ Stroke is a large‑format fluid cylinder rated for 75 in² bore with a 2.5″ stroke, designed for high‑capacity pumping systems.

  • Bore size 75 in² with 2.5″ stroke
  • OEM hydraulic/pneumatic cylinder component
  • Engineered for high‑volume use
  • Precision bore and surface for extended life

$139
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Graco 15M390 Cylinder 75 In² 2.5″ Stroke

Compatible Machines

  • Graco high‑capacity pump systems using 75 in² bore cylinders
  • Fluid‑handling machines requiring 2.5″ stroke assembly

Key Features

Feature Description
Large Bore Size 75 in² bore enables high output for heavy duty applications.
2.5″ Stroke Provides significant displacement for rapid material transfer.
OEM Construction Machined and finished to Graco specifications.
Smooth Internal Finish Reduces wear on seals and piston assemblies, extending life.

Installation & Usage Tips

  • Isolate system pressure and fluid before cylinder removal.
  • Remove old cylinder and inspect piston rod and seal surfaces for wear.
  • Install new cylinder ensuring correct alignment and mounting hardware torque.
  • After installation, run at low load and check for smooth operation and no leaks.

Frequently Asked Questions

Used in high‑output pump systems where large bore piston movement is needed for volume delivery.

No, stroke length is fixed as designed for this cylinder; modifying stroke can cause system imbalance.

Look for piston leakage, decreased output or uneven stroke motion; internal scoring may also be visible after disassembly.

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