Welch ChemStar 1400N 0.9 cfm 0.1 Micron Belt Drive 2-Stage Pump




***Note: This item has a possible 1-2 week lead time depending on stock availability.***

The Welch ChemStar 1400N has the extreme vacuum depth capabilites of the traditional DuoSeal 1400 but also includes superior resistance to corrosion and oil contamination. The ChemStar 1400N is an ideal vacuum pump for short path distillation and many other essential laboratory applications. The ChemStar belt-driven vacuum Pump is designed to tolerate harsh chemical contamination. Vital pump parts are corrosion resistant. The large oil reservoir with PTFE surfaces dilutes contamination and the low pump rotational speed lessens friction to reduce operating temperature and chemical effects. Features include; PTFE surfaces, fluorcarbon gaskets and seals, and Nitrogen purge to cool and degas oil. The ChemStar system comes with Gold Oil, a synthetic lubricant designed to minimize effects of chemical contaminants.

Key Features:

  • Low rotation speed for longer service life
  • Vital parts are corrosion resistant
  • Large oil reeervoir dilutes contaminants


  • Applications: Vacuum Manifolds, (Schlenk Lines), High boiling point evaporations (to 195 deg. C), General laboratory. HCl, O3, H2SO4*HBr, HOAC, SOx*Br2, F3CCO2H, H2S*Cl2, CH2O, HNO3*SF6, CF4 Fragments and other gases
  • Type: Belt-Drive vacuum pump, chemical resistant
  • Free Air Displacement cfm (l/min.) @60Hz: 0.9(25)
  • Ultimate Pressure: 1 x 10-4(0.00013)
  • Pump RPM: 580
  • Oil Capacity: 0.62(0.59)
  • Motor Horespower (watts): 1/3(250)
  • Adjustable Vac. / Gas Ballast: Yes
  • Tubing Needed: 7/16(11)
  • ISO Exhaust / Intake Flange: NW 16
  • Overall Dimensions (LxWxH in/cm): 17.8x9x12.6(45.2x22.9x32)
  • Ship Weight (lbs/kilos): 71(32.3)
  • Shipping Carton Dimensions (LxWxH in/cm): 20.5x13.8x14.5 (52.1x35.1x36.8)

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