Impco Model CT425 Mixer

  • CT425M-2 Mixer – #2256
  • FT425M-2 Feedback Mixer – #2292

The Model 425 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 and Natural Gas for applications requiring up to 460 CFM (217.1 L/s). The Model 425 is also available for feedback applications with the ‘FB’ designation. These FB mixers are available in a tamper resistant configuration, indicated by the “-CT” in the part number.

SPECIFICATIONS

Fuel Type …………………………………………….. LPG Vapor, Natural Gas
Inlet Pressure ……………………………………….. 8.0” w.c. Natural Gas/LPG Vapor
Operating Temperature ………………………….. -40°F to +250°F (-40°C to +121°C)
Mounting Position ………………………………….. Vertical
Diaphragm Material ……………………………….. Hydrin (Standard), Silicone (Optional)
Hp/kW …………………………………………………. 287hp (214kW) @ 460 CFM (217.1 L/s) and 1.5”
Hg manifold depression
333hp (248kW) @ 533 CFM (252L/s) and 2.0” Hg
manifold depression

IMPCO Model CT425 Carburetor Parts Breakdown