Product Catalog

Since 1854 we have dedicated ourselves to producing products of high quality from design through manufacture. We package our compressors with the operational dependability you desire.

Through superior engineering and attention to Detail our compressors are unmatched in terms of durability and performance. From our in-house professional engineering staff right on through our large distributor network, we are committed to supplying you with the very best in quality products.

We have earned themore
Unit of Measure

Specifications

Manufacturer

Curtis

Product Family

 Piston Air Compressors

Series

 Masterline CR-25

Type

 Duplex Tank Mounted Electric

Stage

 Two Stage

Lubrication

 Pressure Lubricated

Pressure

 145 to 175 psi

Motor

 20 hp

Tank Capacity

 240 gal

Speed

 720 rpm

No. of Cylinders

 2

Flow Rate at 175 psig

 153.0 cfm

Approx. Weight

 3500 lbs

Length

 98 in.

Width

 52 in.

Height

 74 in.

Optional Equipments

N/A

  • Heavy duty cast iron construction
  • ASME air receiver built with heavy gauge steel
  • Rugged NEMA designed electric motor
  • U.L. approved pressure switch
  • OSHA approved beltguard - totally enclosed
  • ASME approved safety relief valve
  • ASME approved discharge air service valve
  • Slow V-belt drive
  • Dynamically balanced drive pulleys
  • Large metal intake filter-silencers
  • Manual condensate tank drain valve
  • Dial read-out pressure gauge indicator
  • Energy efficient - low power consumption

Standard Features

N/A

  1. Intercooler Relief Valve - Prevents excessive pressure in the low pressure cylinder and intercooler, protecting pump and motor.
  2. Loadless Starting - With centrifugal, suction valve, or bleeder type unloader.
  3. Stainless Steel Disc And Spring Valve Assemblies - Largest in the industry, ground and lapped to optical flatness for quiet and efficient operation.
  4. Deep Finned Cylinders - Permit better cooling.
  5. Intercooler - Extra long with radiating fins located in the cyclone of air from the flywheel, providing maximum heat dissipation.
  6. Cast Iron High Pressure Pistons - For durability and long life.
  7. Balanced Flywheel - Provides effective air blast to cool compressor.
  8. Heavy Duty Cast Iron Connecting Rods - Heaviest in the industry with replaceable rod bearings and pin bushings.
  9. Cast Iron Crankcase - For strength and durability.
  10. Heavy Duty Ductile Iron Crankshaft - drilled oil flow ports.
  11. Oversized Tapered Main Roller Bearings - Adjustable to assure long life with less friction.
  12. Pressure Lubrication - drilled crankshaft and rods to all bearings, bushings, and wearing surfaces for extended pump life.