
| ■ |
부식성 가스의 펌핑시 요구되는 5가지 세부적 특징 |
|---|---|
| 오염에 대한 높은 내성 | |
| - Contaminants diluted | |
| - Fewer moving parts | |
| - Top oil feed for cleaner oil | |
| 부식 내성이 있는 주요 부품들 | |
| - Fluoroelastomer seals and gaskets | |
| - Metal vanes | |
| - Stainless steel valves, etc. | |
| - PTFE Coated oil case | |
| 저 RPM으로 저소음, 내구성 강화 | |
| - Less than 580 RPM vs typical 1750 RPM direct drive | |
| Nitrogen purge Standard | |
| - Degases and cools oil | |
| 손쉬운 액세서리 장착 | |
| - Complete accessory package for corrosive gases |
| ■ | 규격(Specifications) | ||||
|---|---|---|---|---|---|
| Welch Model | 1400N | 1402N | 1376N | ||
| Free Air Displacement | |||||
| CFM | 0.9 | 536 | 10.6 | ||
| L/min | 25 | 160 | 300 | ||
| Ultimate Pressure, Torr(mbar) | 1X10-4(0.00013) | 1X10-4(0.00013) | 1X10-4(0.00013) | ||
| Gas Ballast | Yes | Yes | Yes | ||
| Pump RPM | 580 | 525 | 525 | ||
| Motor Horsepower (watts) | 1/3(250) | 1/2(370) | 1(750) | ||
| Oil Capacity, qt. (iters) | 0.62(0.59) | 2.25(2.1) | 2.5(2.37) | ||
| Tubing Needed, I.D. in. | 7/16(11) | 13/16(21) | 13/16(21) | ||
| ISO Exhaust & Intake Flange | NW 16 | NW 25 | NW 25 | ||
| Dimensions L x W x H in. (cm) | 17.8 x 9 x 12.6 (45.2 x 22.9 x 32) |
19.3 x 14.1 x 15.4 (49 x 35.3 x 39.1) |
19.3 x 12.3 x 15.6 (49 x 31.2 x 39.6) |
||
| Weight, lbs (kg) | 58(26) | 112(51) | 156(71) | ||
| Ship Weight, lbs (kg) | 71(32.3) | 133(60.5) | 181(82.3) | ||
| Shipping Carton Dimensions L x W x H in. (cm) |
20.5 x 13.8 x 14.5 (52.1 x 35.1 x 36.8) |
22.5 x 15.5 x 19.5 (57.2 x 39.4 x 49.5) |
22 x 18 x 19 (59.5 x 45 x 48) |
||
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