| Material | Cast Iron | 
| Type | Helical | 
| Transmission Ratio | 5.49 to 202.1 | 
| Mounting: | Horizontal & Vertical | 
| Series | PS20, PS25, PS30, PS35, PS45, PS55 | 
 
                                                | Material | Cast Iron | 
| Type | Helical | 
| Transmission Ratio | 5.49 to 202.1 | 
| Mounting: | Horizontal & Vertical | 
| Series | PS20, PS25, PS30, PS35, PS45, PS55 | 
