Mixer Feedback 225M-2

Impco Mixer Feedback 225M-2 with silicon Diaphragm.

The Model 225 carburetor is a single-diaphragm air valve carburetor/mixer. It offers a down-draft air inlet
that can be used for remote air filtration or open-element type air filters. This unit is available for LPG Vapor or
Natural Gas applications with air flow requirements up to 380 CFM (179.3 L/s).
The Model 225 is also available for feedback applications with the ‘CA’ designation.
Two separate air valve vacuum supplies are available with this mixer. Additional low speed mixture control
can be obtained to lean air/fuel mixtures with optional ring spacers/shims.

SPECIFICATIONS
Fuel Type .......................................... LPG Vapor or Natural Gas
Inlet Pressure .................................... -1.5” w.c. (-0.37 kPa)
Operating Temperature Range ......... -40°F to +250°F (-40°C to +121°C)
Mounting Position .............................. Vertical
Diaphragm Material ...........................  Silicone 
HP/kW ............................................... 237 hp (177 kW) @ 380 CFM (179.3 L/s) and 2.0” in Hg
manifold depression