NST Single Stage Oil Lubricate Vacuum Pump


NST series vacuum pumps are single stage, direct driven, oil-sealed and air cooled. A rotor with three vanes is positioned inside the pump cylinder supported by two bearings. The pumps have a built-in gas ballast valve and one of the simplest and most reliable oil recirculating system. The oil is pumped into the stator from the oil reservoir for lubrication, sealing and cooling.

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Single Stage Oil Lubricate Vacuum Pump

NST series vacuum pumps are single stage, direct driven, oil-sealed and air cooled. A rotor with three vanes is positioned inside the pump cylinder supported by two bearings. The pumps have a built-in gas ballast valve and one of the simplest and most reliable oil recirculating system. The oil is pumped into the stator from the oil reservoir for lubrication, sealing and cooling.

Features

  • Robust and compact
  • High pumping speed even at low pressures
  • Gas Ballast valve fitted as standard with easy access
  • Exhaust mist filter with built-in bypass valve
  • Quiet in operation
  • Minimal vibration
  • Integral anti-suck back valve
  • Less oil consumption
  • Air-cooled
  • Easy to service

Industry / Markets

  • Coating & deposition
  • Food processing
  • Metallurgy/Furnace
  • Power engineering
  • Automotive
  • Pharmaceutical
  • Packaging
  • Research & development
  • Central vacuum systems
  • Laminator

Typical Applications

  • Resin infusion (wind shield)
  • Job holding (CNC), pick & place (gantry robot)
  • Vacuum material conveying (powder transfer)
  • Tray drying, roto-cone evaporator
  • Agitated thin film dryer (ATFE)
  • Transformer/capacitor vapour phase drying (electrical)
  • Vacuum filtration (Chemical)
  • Solar lamination
  • Resin impregnation
  • Capsule filling, blister packing (Pharmaceutical)
  • Food packaging

Technical Specifications

Particulars Unit SP40 SP65 SP100 SP200 SP300
Nominal Pumping Speed @ 50Hz m3 / hr (L / min) 43 (717) 65 (1083) 102 (1700) 192 (3200) 300 (5001)
Ultimate Vacuum (Total Pressure) Gas ballast closed in mbar(Torr) ⋜0.1 (0.07) ⋜ 0.1 (0.07) ⋜ 0.1 (0.07) ⋜ 0.1 (0.07) ⋜ 0.3 (0.22)
Gas ballast open in mbar(Torr) ⋜1.5 (1.125) ⋜ 1.5 (1.125) ⋜ 1.5 (1.125) NA NA
Small Gass ballast in mbar(Torr) NA NA NA ⋜ 0.8 (0.6) ⋜ 0.8 (0.6)
Standard gas ballast in mbar(Torr) NA NA NA ⋜ 1.5 (1.125) ⋜ 1.8 (1.35)
Big gas ballast in mbar(Torr) NA NA NA ⋜ 2 (1.5) ⋜ 2.5 (1.87)
Pump Rotational Speed at No-Load @ 50Hz rmp 1000 1500 1500 1500 1500
Max. Nominal Power Rating @ 50 Hz kW (HP) 0.75 (1) 1.5(2) 2.2(3) 3.7(5) 5.5(7.5)
Weight kg (lb) 53 59 90 139 193
Inlet connection G 1 1/4″ F G 1 1/4″ F G 1 1/4″ F G 2″ F G 2″ F
Outlet connection G 1 1/4″ F G 1 1/4″ F G 1 1/4″ F G 2″ F G 2″ F
Oil capacity Lts 1.8 1.5 2 7 9
Recommended oil Standard IG68 IG68 IG68 IG68 IG68
Power Supply 3P 380-440V (50Hz) 3P 380 – 440V (50Hz) 3P 380 – 440V (50Hz) 3P 380 – 440V (50Hz) 3P 380 – 440V (50Hz)

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