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Rolair PMP11K3GR cylinder replacement pump, aluminum and cast iron body, single stage, 10 1/8 inch flywheel, splash lubricated

Rolair

Rolair PMP11K3GR Cylinder Replacement Pump

SKU CH-C4M1-XA4ZM

Single-stage splash-lubricated pump delivers 1.3 or 1.85 cfm at 145 psi with a 10 1/8-inch flywheel and reed valves

  • Single-stage design delivers simple, reliable operation
  • 1 hp maximum output power handles demanding air-tool tasks
  • 3 cfm at 145 psi supplies steady airflow for continuous use
  • Splash lubrication reduces wear and extends pump life
  • Cast-iron cylinder with stainless-steel reed valves resists corrosion and heat

Replacement cylinder pump for Rolair compressors

This single-stage cylinder replacement pump fits Rolair air compressors and runs at 1,000 RPM with a 10 1/8 in flywheel. It delivers up to 0.75 hp and provides free air flow of 1.3 or 1.85 cfm at 145 psi. The unit is built from aluminum and cast iron with a stainless-steel reed valve and splash lubrication.

Fits existing Rolair compressor frames

The pump bolts onto compatible Rolair compressor frames using the existing mounting pattern and CCW rotation. Its A-section single-groove flywheel accepts a standard V-belt from the motor. Replacing only the cylinder pump restores compression without swapping the tank, motor or pressure switch.

Splash-lubricated design runs at 1,000 RPM

The splash lubrication system requires periodic oil checks but eliminates an external oil pump. At 1,000 RPM the cast-iron cylinder and aluminum components dissipate heat through the flywheel airflow. Noise and power draw follow the 0.75 hp rating and single-stage reed-valve operation at 145 psi maximum pressure.

Highlights

  • Single-stage design delivers simple, reliable operation
  • 1 hp maximum output power handles demanding air-tool tasks
  • 3 cfm at 145 psi supplies steady airflow for continuous use
  • Splash lubrication reduces wear and extends pump life
  • Cast-iron cylinder with stainless-steel reed valves resists corrosion and heat

Specifications

BrandROLAIR

Questions about this item

At what pressure does the pump reach its maximum operating limit of 145 psi?

The pump is rated for a maximum operating pressure of 145 psi.

How much heat or noise does the splash-lubricated cast iron cylinder generate during continuous operation?

The pump uses splash lubrication with an aluminum and cast iron construction running at 1000 RPM.

Does the 10 1/8 inch flywheel come installed or must I supply my own V-belt and pulley?

The flywheel is included and features a single A-section groove for a V-belt.

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