| AIR DISPLACEMENT RATE | 14.0 CUBIC FEET PER MINUTE IN FREE AIR |
| BRAKE HORSEPOWER REQUIRED | 1.500 |
| COOLING MEDIUM | AIR |
| CURRENT RATING IN AMPS | 4.8 AND 2.4 |
| CURRENT TYPE | AC |
| DISCHARGE CONNECTION OUTSIDE DIAMETER | 1.000 INCHES NOMINAL |
| DISCHARGE CONNECTION QUANTITY | 1 |
| DISCHARGE CONNECTION TYPE | UNTHREADED EXTERNAL |
| DRIVE CONNECTION TYPE | SINGLE STRAND V-BELT |
| GAS FOR WHICH DESIGNED | OXYGEN |
| ENTRY DATE | 85-08-15 |
| FREQUENCY IN HERTZ | 60.0 |
| FUNCTIONAL DESCRIPTION | THE PMU-4E,POWER DRIVEN ROTARY VACUUM PUMP IS AN INDEPENDENT,SELF-CONTAINED UNIT; IT CONSISTS OF A ROTARY VACUUM PUMP DRIVEN BY AN EXPLOSION PROOF ELECTRIC MOTOR AND EXPLOSION PROOF CONTROL EQUIPMENT MOUNTED ON A FOUR CASTERED MOBILE BASE WITH ATTACHED HANDLE FOR MANUALLY MOVING THE EQUIPMENT; A SIX FOOT LENGTH OF FLEXIBLE SERVICING HOSE WITH STORAGE TANK ADAPTER IS SUPPLIED FOR USE IN CONNECTING THE VACUUM PUMP TO THE VACUUM PUMP TO THE STORAGE TANK BEING EVACUATED; THE VACUUM PUMP IS DESIGNED PRIMARILY FOR EVACUATING THE VACUUM TIGHT ANNULAR INSULATING SPACE OF LIQUID OXYGEN OR NITROGEN STORAGE TANK TO AN ABSOLUTE PRESSURE OF FIVE MICRONS OR LESS; THE UNIT IS CONSTRUCTED FOR THAT REPAIRS MAY BE ACCOMPLISHED BY OPERATING PERSONNEL |
| INTAKE CONNECTION OUTSIDE DIAMETER | 1.000 INCHES NOMINAL |
| INTAKE CONNECTION QUANTITY | 1 |
| INTAKE CONNECTION TYPE | UNTHREADED EXTERNAL |
| OVERALL WIDTH | 50.000 INCHES NOMINAL |
| MOUNTING TYPE | WHEEL |
| NONDEFINITIVE SPEC/STD DATA | PMU/4E TYPE |
| OVERALL HEIGHT | 36.000 INCHES NOMINAL |
| OVERALL LENGTH | 50.000 INCHES NOMINAL |
| PHASE | THREE |
| PRIME MOVER TYPE | ELECTRIC MOTOR |
| PUMP QUANTITY | 1 |
| PUMPING ELEMENT TYPE | SLIDING VANE AND ROTARY PISTON |
| REFERENCE DATA AND LITERATURE | AF TO. 35M12-2-12-1 |
| SPECIAL FEATURES | EXPLOSION PROOF MOTOR |
| STAGE QUANTITY | 1 |
| SYSTEM DESIGN | CORROSIVE |
| VACUUM RATING | 1.0 MILLITORR |
| VOLTAGE IN VOLTS | 220.0 AND 440.0 |