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NMFC 121690 - Gas Mixers & Regulators | Class 100–125

Article ID
121690
Gas mixers and combo regulators, NMFC 121690
Freight Group
MACHINERY GROUP
Classed within the Machinery Group for LTL
Class Range
100-125 2 classifications
Fixed freight class spans 100 to 125
Hazardous
No
Non-hazardous item, no hazmat surcharge

Classification Details

NMFC Description Class
121690.00 Gas Mixers or Mixers and Regulators combined:
121690.01 Cast iron or steel, in boxes or crates 100
121690.02 Other than cast iron or steel, in boxes or crates 125

How to Determine Your Class

To find the correct freight class for your shipment:

  1. Select the correct subclass: standalone gas mixer or mixer + regulator assembly, then quote within Class 100–125 per NMFC rather than using density.
  2. Cap and plug all inlets/outlets, keep oxygen-service parts oil-free in bags, then double-box with foam for bench units; crate panel-mounted manifolds with shock blocks.
  3. Detail the build on the BOL—gas service (O2/Ar/CO2), connection sizes, and any fragile gauges—so handlers stage properly and avoid reclass audits.
  4. Add orientation and no-pressure labels: Keep Upright, Do Not Pressurize, Sensitive Instruments; band crates to pallets for safe forklift handling.

Note: All classifications are subject to Item 170. Verify with official NMFC publications for the most current requirements.

Business Value

  • Pre-set Class 100–125 streamlines rating and minimizes surprise reclass charges.
  • Non-hazardous status eliminates hazmat paperwork and surcharges, cutting total shipping cost.
  • Appropriate boxing or crating protects calibration, reducing damage claims and downtime for welding shops and labs.
  • Accurate subclass choice (mixer vs mixer+regulator) speeds tendering and keeps LTL quotes consistent across carriers.