| CONTROL LOCATION | CENTER |
| CYLINDER QUANTITY | 1 |
| DISCHARGE CONNECTION QUANTITY | 1 |
| DISCHARGE CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR | 4.000-8 NPT |
| DISCHARGE CONNECTION TYPE | THREADED INTERNAL |
| INTAKE CONNECTION QUANTITY | 1 |
| INTAKE CONNECTION THREAD SIZE AND SERIES/TYPE DESIGNATOR | 4.000-8 NPT |
| INTAKE CONNECTION TYPE | THREADED INTERNAL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | DIAPHRAGM PUMP,MODEL 4DS-DLW-15LD |
| MAXIMUM DISCHARGE FLOW RATE | 100.0 GALLONS PER MINUTE |
| MEDIA FOR WHICH DESIGNED | SEWAGE |
| OPERATING SPEED AT RATED CAPACITY | 60.0 STROKES PER MINUTE |
| PRIME MOVER COOLING MEDIUM | AIR |
| PRIME MOVER POWER RATING | 3.5 HORSEPOWER |
| PRIME MOVER QUANTITY | 1 |
| PRIME MOVER TYPE | GASOLINE ENGINE |
| PUMP QUANTITY | 1 |
| PUMP RECIPROCATING DESIGN | SINGLE ACTING |
| PUMPING ELEMENT OPERATING POSITION | VERTICAL |
| PUMPING ELEMENT TYPE | DIAPHRAGM |
| RECIPROCATING STROKE TYPE | FIXED |
| VOLUME CONTROL TYPE | PUSH-PULL |
| SUCTION LIFT | 10.000 FEET |
| TOTAL HEAD | 50.000 FEET |