Impco Model CA225 Mixer

• CA225M-2 Mixer – #2241
• FB225M-2 Mixer – #2289 (feedback applications)

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 ‘FB’ designation. Note: All DG model mixers reduce air flow by 30%. 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 ……………………… Hydrin (Standard), Silicone (Optional)
HP/kW ……………………………………….. 205 hp (153kW) @ 329 CFM (155 L/s) and 1.5” in Hg
manifold depression
237 hp (176.7 kW) @ 380 CFM (179.3 L/s) and 2.0” in Hg
manifold depression

IMPCO Model CA225 Carburetor Parts Breakdown