SDU-420 Specifications

Model

HP

Max. PSIG

SCFM at
50 PSIG

SCFM at
100 PSIG

RPM at
100 PSIG

Cylinders

SDU-420

20.0

125

72

68

1140

4

SDU Series Features

1. CYLINDER BARREL
   Aluminum alloy material and deep cooling fin ensure quick heat dissipation. Special cylinder hardening treatment results in improved wear resistance.
   
   
2. COMPRESSION RING AND
   GUIDE RING
   Compression/guide ring made from high grade PTFE providing low friction and self lubrication.
   
   
3. GASKET
   Graphite material not only for reliable sealing but also environmental friendly.
   Aluminum alloy material and deep cooling fin ensure quick heat dissipation. Special cylinder hardening treatment results in improved wear resistance.
   
   
4. SUCTION AND DISCHARGE
   VALVE ASSEMBLY
   High efficiency, low noise valve design for long life and trouble-free operation.
   
   
5. BEARING
   Totally enclosed, packed with high temperature grease. Needle bearing in piston pin with rod made of low heat transmission alloy.
   
   
6. CRANKSHAFT
   High grade ductile iron. Hollow casting design with precise balance and machining.
   Effectively reducing running vibration and temperature.
   
   
7. COOLING SYSTEM
   Precision balanced cooling fan provides sufficient flow to control operating temperature.
   No additional cooling fan required.

SDU-420 Dimensions (Inches)