| 
 Pump Tyre  | 
 Single-revolution capacity( cc/rev)  | 
 Rated flow at maximum speed( L/min)  | 
 Maximum speed (rpm)   | 
 Inlet / Outlel dimension  | 
| 
 ZS158   | 
 1.58   | 
 2.3   | 
 1500   | 
 G1/2"   | 
| 
 ZS253   | 
 2.53   | 
 3.7   | 
 1500   | 
 G1/2  | 
| 
 ZS348   | 
 3.48   | 
 5.2   | 
 1500   | 
 G1/2"   | 
| 
 ZS475   | 
 4.75   | 
 7.0   | 
 1500   | 
 G1/2"   | 
| 
 ZS712   | 
 7.12   | 
 10.6   | 
 1500   | 
 G1/2"  | 
| 
 ZS950   | 
 9.50   | 
 14.0   | 
 1500   | 
 G1/2"   |