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Reciprocating Air Compressors PetStar 4

Reciprocating Air Compressors PetStar 4

When unsurpassed performance and reliability are required, the PETStar-4 line of 4-Stage Reciprocating Air Compressors answers the challenge. Robustly designed and configured in a horizontally opposed cylinder configuration, the PETStar-4 arrangement virtually eliminates vibration with a minimal foundation requirement. By utilizing four stages of compression, the PETStar-4 is capable of providing unsurpassed compressor efficiency.

Lower stage compression ratios reduce the cylinder operating temperatures and extend the life of valves, rings and packing. To simplify installation, all PETStar-4 units feature a heavy duty welded steel sub base and are available with a matching air treatment component package. Whether you require a compressor for in-line molding or capacity to support a large production operation, there is a PETStar-4 package to meet your needs.
 
Model
PS4-1500
PS4-1700
PS4-1900
PS4-2100
PS4-2300
PS4-2500
PS4-2800
PS4-3000
PS4-3300
Frequency (Hz) Rated Pressure
(barg / psig)
Nominal Power
(kW / hp)
Flow
(m3min / cfm)
50   260 / 350 25.5 / 900
50   300 / 400 28.5 / 1006
50   335 / 450 32.1 / 1132
50   375 / 500 35.7 / 1262
50   390 / 525 39.2 / 1386
50   410 / 550 42.6 / 1503
50   450 / 600 47.5 / 1678
50   500 / 675 50.8 / 1793
50   560 / 750 56.1 / 1982
 
• Non lubricated 100% oil-free water-cooled design
• Four-stage balanced opposed layout eliminates unwanted vibration
• All double-acting, heavy-duty class-40 cast iron cylinder construction
• Sleeve type main and connecting rod bearings
• Endurable 16,000 hour rated piston rings & packing
• Anticorrosion coating on all system air piping
• Crankshaft-driven main oil pump
• Electrical-driven prepublication system
• Large cast-in water jackets for dimensional stability under extreme conditions
• Conservatively designed valves selected to provide extra-long life
• Lowest interstate temperatures and pressures
• Intercoolers/after coolers selected for optimal 9°C(15°F) approach temperature
• Distance pieces feature two compartments, ensuring lubricant is isolated from cylinders
• Three-step capacity control 0%-50%100%
• Advanced CMC main compressor controller with 1,000-event logging capability built-in
• IP-55 TEFC, 6-pole main drive motor
• Star-delta main motor starter
• All components constructed in accordance with World Standards and stamped as applicable
• Available in Basic or Intermediate package configuration with optional piped and mounted dryer and   receiver
• Available rod drop position wear indicators
 
 
 
 
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