SKU: ULVAC-UDP-6 Categories: ,

The ULVAC chemical-resistant diaphragm pump is compact, lightweight, manufactured and imported directly from Japan. The ULVAC UDP-6 is a high-capacity, fully chemical-resistant 2-head pump that creates a deep vacuum by reciprocating the movement of rubber diaphragms. These pumps are oil-free, which means less maintenance and no more frequent and costly oil change or cross-contamination.


  • TUV certified to UL and CSA standards
  • Chemical resistant
  • No need for pump oil
  • 6 CFM and 6torr

Pump Includes:

  • (1) ULVAC UDP-6 6 CFM oil-free diaphragm pump
  • (1) KF25 wing nut flange quick clamp
  • (1)  KF25 flange centering ring

This pump is included in the following packages (click to see packages):

Crystallization Reactor Packages:
Decarboxylation Reactor Packages:
Rotary Evaporator Packages:

Additional information

Weight 63 lbs
Dimensions 19 × 12 × 15 in


Model ULVAC UDP-6 (DA-170DA/B)
Electrical requirements 110V 50/60Hz or 220V 50/60Hz single phase
400 watts, 5.6 amp rated current
Pumping rate 6 cfm
Ultimate vacuum level 6 torr
Inlet/Outlet KF25 flange
Adjustable vac./gas ballast No
Unit/shipping dimensions (LxWxH) 16 x 7 x 13″ / 18 x 11 x 14.5″
Noise level 68 dBA at Atmosphere pressure
62 dBA at ultimate pressure
Unit/shipping weight 58 Lb / 63 Lb
Working environment 32°F to 104°F (0°C to 40°C)
Compliance TUV certified to UL and CSA standards