Bio-Med Devices High-Low Flow Blender, 3 DISS Ports, 2004

SKU: BMD-2004

The Bio-Med Devices 2004 is a High-Low Flow air/oxygen blender with 3 DISS outlet ports, rated 0 to 120 lpm.12 Connecting anything to the right port turns on a 12 lpm bleed, and accuracy then runs from 2 to 108 lpm. With nothing on the right port it runs from 15 to 120 lpm.2

Product Highlights:

  • 3 DISS ports: Left, bottom and right21
  • Wide range: 2 to 108 lpm with bleed, 15 to 120 lpm without2
  • 12 lpm bleed: Enabled from the right side2
  • Maintenance kit: Part 2008 is the High-Low Flow maintenance kit3

Specifications:

Manufacturer Bio-Med Devices, Inc.3
Part number 20041
Series High-Low Flow3
Flow range 0 to 120 lpm1
Left port 0 to 120 lpm1
Bottom port 0 to 120 lpm1
Right port Bleed flow activated when flowmeter is engaged1
Bleed 12 lpm for flows under 15 lpm4
Accuracy range with bleed 2 to 108 lpm2
Accuracy range without bleed 15 to 120 lpm2
Fittings DISS input and output1

Related Products:

Product Guides and Documents:

Frequently Asked Questions:

How many ports does the 2004 have?

3 DISS ports.2

What is the accuracy range of the 2004?

2 to 108 lpm with the bleed on and 15 to 120 lpm with nothing connected to the right side.2

What does an air/oxygen blender do?

It mixes medical grade air and oxygen to any concentration from 21% to 100% oxygen and delivers the mix to respiratory care devices.7

What is an oxygen blender used for?

Oxygen administration, bubble CPAP therapy and HFNC therapy.4

When does the blender bleed need to be on?

Whenever total flow through the blender is below 3 lpm on Low Flow, 6 lpm on Mid-Flow or 15 lpm on High/Low Flow. That is total flow, not per port.6

What supply pressure does a Bio-Med Devices blender use?

Air and oxygen at 50 psi, connected to two DISS fittings on the bottom of the blender. The rated supply range is 30 to 75 psi, and air and oxygen must stay within 10 psi of each other.7

How often does an air/oxygen blender need maintenance?

A performance test before each use, calibration certification every year between PMs, and a major overhaul, cleaning and calibration every 2 years.78

Is the 2004 MRI safe?

No. The FDA device record lists 2004 as MR Unsafe.9 Bio-Med Devices lists separate MRI blenders, including 2004M.3

Manufacturer Sources
  1. Bio-Med Devices. 2004 Blender Spec Sheet (accessed 2026-11-04). biomeddevices.com.
  2. Bio-Med Devices. 2004 blender page (accessed 2026-11-04). biomeddevices.com.
  3. Bio-Med Devices. Product Listing with Part Numbers, REV060326 (accessed 2026-11-04). biomeddevices.com.
  4. Bio-Med Devices. Blender Gallery Product Sheet, DDOC063 Rev031925 (accessed 2026-11-04). biomeddevices.com.
  5. Bio-Med Devices. Air/Oxygen and Neo2 Blenders page (accessed 2026-11-04). biomeddevices.com.
  6. Bio-Med Devices. The Mystery of Blender Bleeds Unraveled (accessed 2026-11-04). biomeddevices.com.
  7. Bio-Med Devices. Air/Oxygen Blender Service Manual, Catalog #2121, Rev 032709, archived copy of the manufacturer document (accessed 2026-11-04). frankshospitalworkshop.com.
  8. Bio-Med Devices. Repair Kits, Preventive Maintenance and Calibration Schedules (accessed 2026-11-04). biomeddevices.com.
  9. FDA AccessGUDID. Device record 2004, DI 00813841020065 (accessed 2026-11-04). accessgudid.nlm.nih.gov.

Specifications are from Bio-Med Devices documents. Use only as directed in Bio-Med Devices labeling.3

Item # Image Price Quantity

Bio-Med Devices High-Low Flow Blender, 3 DISS Ports, 2004

BMD-2004

Bio-Med Devices High-Low Flow Blender 2004 three port front view

$771.75

ea
Item # Image Description Quantity