HD40

HelixDrive is an ultra-compact, oil-free dry screw vacuum pump. Its unique coaxial design, with an integrated motor, enhances both efficiency and reliability. Its proprietary coating protects the pump from the most demanding industrial applications. Ideal for harsh applications where oil is not tolerated.

  • Compact Design: As one of the most innovative designs, this dry screw pump delivers fast pumping speed in an ultra-compact package.
  • Oil-Free Operation: Ideal for harsh applications where oil is not tolerated.
  • Temperature Management: Our temperature management system is optimized for the most effective cooling. Our larger pumps are water-cooled to enhance the performance of the pump, while our smaller pumps are air-cooled for easy operation.
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Technical Specification

Specification Units HD40 HD40-2
Performance
Pumping speed (50Hz) m3/h (CFM) — 32 (18.8)
Pumping speed (60Hz) m3/h (CFM) 32 (18.8) 32 (18.8)
Max Water Vapor pump rate g/hr 400 400
Vacuum / Pressure
Ultimate Pressure without Gas Ballast Torr (mbar) 7.5×10-4 (1.0×10-3) 7.5×10-4 (1.0×10-3)
Connections / Cooling
Cooling Method Air Air
Inlet / Exhaust KF25 / KF25 KF25 / KF25
Noise level dB(A) 62 62
Communication None MODBUS-RTU
Oil / Electrical
Oil Type PFPE (bearing only) PFPE (bearing only)
Recommended Oil NPOY25 NPOY25
Oil capacity Liters 0.08 (bearing only) 0.08 (bearing only)
Motor Power kW (HP) 1.8 (2.41) 1.8 (2.41)
Power Supply Singe Phase, 115V, 60 Hz Single Phase, 220V @ 50 Hz, 220V @ 60 Hz
IP Level IP20 IP20
Gas Purge
Gas Purge flow Rate SLM 0 to 100 0 to 100
Gas Purge Pressure Mpa 0.04 to 0.07 0.04 to 0.07
Gas Purge Inlet Connection One touch Fitting 6mm One touch Fitting 6mm
Gas Purge Air Quality ISO8573 Class 2 ISO8573 Class 2
Physical
Weight lbs (kg) 106 (48) 106 (48)
Dimensions Inches (mm) 24 x 12 x 13 (599 x 300 x 320) 24 x 12 x 13 (599 x 300 x 320)

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