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DESCRIPTION | UNIT | WRV-85 | WRV-140 | |
PUMPING SPEED | 1/min | 85 | 140 | |
ULTIMATE PRESSURE | GB.CLOSSED | Torr(Pa) | 1 x 10-3(1.33 x 10-1) | 1 x 10-3(1.33 x 10) |
GB.OPEN | 1 x 10-2(1.33) | 1 x 10-2(1.33) | ||
POWER INPUT | VOLTS | AC 100,200.1ø | AC 100,200.1ø | |
FULL LOAD POWER | Kw | 0.3 | 0.4 | |
MOTOR SPEED | R.P.M | 1700 | 1700 | |
OIL CAPACITY | cc | 600 | 600 | |
WEIGHT | KG | 15 | 16 | |
INTAKE PORT |
| 2@PF-3/8. PF-1/4 | 2@PF-3/8. PF-1/4 | |
AMBIENT OPERATION TEMP.RANGE | ℃ | 7 - 40 | 7 - 40 | |
OVERALL DIMENSIONS | mm | 160(W)x377(L)x296(H) | 160(W)x377(L)x296(H) |
Welch model | 1400N | 1402N | 1376N | 1374N |
Free Air Displacement |
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CFM | 0.9 | 5.6 | 10.6 | 23 |
L/min | 25 | 160 | 300 | 650 |
Ultimate Pressure (Torr) | 1 x 10-4 | 1 x 10-4 | 1 x 10-4 | 1 x 10-4 |
Gas Ballast | Yes | Yes | Yes | Yes |
Pump RPM | 580 | 525 | 525 | 510 |
Motor Horsepower | 1/3 | 1/2 | 1 | 1-1/2 |
Oil Capacity,qt.(liters) | 0.62(0.59) | 2.25(2.1) | 2.5(2.37) | 1.25(1.2) |
Tubing Needed,I.D. in. | 7/16 | 13/16 | 13/16 | 1-5/8 |
ISO Exhaust & Intake Flange | NW 16 | NW 25 | NW 25 | NW 40 |
Dimessions L x W x H in.(cm) | 17.8x9x12.6 (45.2x22.9x32) | 19.3x14.1x15.4 (49x35.3x39.1) | 19.3x12.3x15.6 (49x31.2x39.6) | 26x13.7x18.8 (66x34.8x47.6) |
Weight, lbs (kg) | 58(26) | 112(51) | 156(71) | 220(100) |
Ship Weight, lbs (kg) | 68(31) | 128(58) | 177(81) | 231(105) |
Shipping Carton Dimensions L x W x H in. (cm) | 20.6x13.8x14.4 (52.3x35x36.5) | 22.6x15x18.3 (57.5x38x46.5) | 23.4x17.7x18.9 (59.5x45x48) | 27.8x16.2x20.9 (70.6x41.2x53) |