一、JWS340 PUMP
| Rated bhp at 450 rpm | 340HP （253.5KW） |
| Stroke | 5“ （127mm） |
| Structure | PISTON / PLUNGER |
| Maximum working pressure | 10000PSI |
| Max. plunger | 4“（101.6mm） |
| Max. plunger | 4-1/2“（114.3mm） |
二、JWS340 Performance Data
JWS-340-Data-Sheet三、NATIONAL PUMP
| 30T-2 | | | |
| 60T-3 | 80T-3 | | |
| 100T-4 | 130T-4 | | |
| 165T-5 | 200T-5 | 250T-5 | 300Q-5 |
| JWS165 | JWS185 | JWS340 | JWS400 |
