Instrument

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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)
PLUS