NST Mechanical Vacuum Booster pump

NST Mechanical Vacuum Booster pump

1.00

The NST pumps are positive displacement roots vacuum pumps. The pump bearings, gears and seals are lubricated by oil fed from oil reservoirs at either ends of the roots pump. A series of seals stops the oil from reaching the vacuum side of the pump. Roots pumps helps in shifting the operating pressure to a high vacuum range due to rotation of gear timed rotors in opposite directions. Roots vacuum pumps are capable of improving the attainable ultimate pressure of a pump system by a factor of 10.

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Description

Mechanical Vacuum Booster pump

The NST pumps are positive displacement roots vacuum pumps. The pump bearings, gears and seals are lubricated by oil fed from oil reservoirs at either ends of the roots pump. A series of seals stops the oil from reaching the vacuum side of the pump. Roots pumps helps in shifting the operating pressure to a high vacuum range due to rotation of gear timed rotors in opposite directions. Roots vacuum pumps are capable of improving the attainable ultimate pressure of a pump system by a factor of 10.

Features

  • Robust
  • Suitable for continuous operation
  • High compression ratio
  • Futuristic bearing system designed for smoother and quiet operation
  • Built-in mechanical by pass valve for atmospheric start
  • Enhanced performance for longer life
  • Pumps are available with flame proof motors
  • Customisation of inlet and outlet flanges to suit the requirement

Industry / Markets

  • Automotive
  • Aviation
  • Chemical
  • Coating & deposition
  • Electrical & power
  • Environment
  • Food
  • Lighting
  • Oil & gas
  • Metallurgy
  • Nuclear
  • Space research
  • Pharmaceuticals
  • Semiconductor
  • Solar

Typical Applications

  • Light bulb evacuation
  • Thin film coating
  • Heat treatment
  • Drying
  • Distillation
  • Transformer oil filtration

Technical Specifications

Particulars Unit RD250 RD500 RD1000 RD1500 RD3000
Nominal pumping speed @ 50Hz m3/hr (L/min) 250 (4167) 500 (8300) 1500 (25000) 1500 (25000) 3000 (50000)
Maximum pumping speed with backing pump m3/hr (L/min) 170 (2833) ED30A 370 (6167) FD60 1020 (17000) SP300 1350 (22500) DP300 2250 (37500) 2XSP300
Ultimate total pressure mbar (Torr) 5×10-4 (3.75×10-4) 5×10-4 (3.75×10-4) 2×10-2 (1.5×10-2) 5×10-3 (3.75×10-3) 2×10-2 (1.5×10-2)
Recommended backing pumps ED30 FD60, SP100 * SP300 * SP300 * 2 X SP300
Maximum allowable pressure difference mbar (Torr) 80 (60) 80 (60) 65 (49) 65 (49) 30 (23)
Permissible cut-in pressure mbar (Torr) 30 (22.5) 30 (22.5) 30 (22.5) 30 (22.5) 30 (22.5)
Motor power rating kW (HP) 1.1 (1.5) 1.5 (2) 3.7 (5) 3.7 (5) 7.5 (10)
Nominal rotational speed @ 50Hz rpm 3000 3000 3000 3000 3000
Weight kg (lb) 97 (214) 127 (280) 275 (605) 275 (605) 450 (990)
Inlet Connection ISO 63 ISO 100 ISO 160 ISO 160 ISO 160
Outlet Connection ISO 63 ISO 100 ISO 100 ISO 100 ISO 160
Cooling medium Air Air Air Water Water
Oil capacity Lts 0.9 0.9 2 2 2
Recommended oil HHVP make MD-504 / Equivalent
Electrical 3 Phase 380-440V (50Hz)

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