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Your cart is empty.Technical Description: 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 propane, natural gas and digester gas applications. It has been successfully used for other hydrocarbon-based vapor fuels as low as 500 BTU. The Model 225 is also available for feedback applications with the 'FB' designation. These FB mixers are available in a tamper-resistant configuration, as indicated by the part number suffix. 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 shims. Check the accessories section for more information. All 225 DG series mixers reduce airflow by 30%. Technical Specifications: Fuel Type - methane/propane (550-2500 Btu) Maximum Fuel Inlet Pressure 8.0 In H20 Maximum Boost Pressure 5.0 PSI Air Flow Capacity 80 CFM @ 2.0 in HG Manifold (derate 15% For Methane, 30% For Digester Gas) Horsepower Rating 237 HP @ 2,500 BTU per cubic feet Operating Temperature -40 degree C to 120 degree C (-40 degree F To 250 degree F) Materials: Body-Aluminum, Diaphragm-Hydrin (Standard) or Silicone (Optional) Please See following design details for specific product specs: Item is a 225 mixer only for LPG w/silicone diaphragm. Throttle Body: N/A, SAE Flange: N/A, [b] Bore: N/A, [c] Mixer Air Horn Diameter: N/A, [d] Overall Width: N/A, [e] NPT Inlet: N/A, [f] Overall Height: N/A, [g] Throttle Body Height: N/A, [h] Throttle Shaft Diameter: N/A, [g] Flange To Center Of Air Horn: N/A