THE MODEL 125 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 ALSO AVAILABLE FOR LPG AND NATURAL GAS APPLICATIONS.  IT HAS BEEN SUCCESSFULLY  USED FOR OTHER HYDROCARBON-BASED VAPOR FUELS AS LOW AS 500 BTU.

         THE MODEL 125 IS ALSO AVAILABLE FOR FEEDBACK APPLICATIONS WITH THE 'FB' DESIGNATION.  THESE FB MIXERS ARE AVAILABLE IN TAMPER RESISTANT CONFIGURATION, INDICATED BY THE SUFFIX :-TR" ON THE PART NUMBER.

           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 125DG SERIES MIXERS REDUCE AIRFLOW BY 30%

                                     TECHNICAL SPECIFICATIONS

FUEL.................................................NATURAL GAS AND LP-GAS

AIR FLOW CAPACITY.....................235 cfm @ 2.0 in  MANIGLOLD  DEPRESSION         

HORSEPOWER RATING....................146 hp @ 2.0 in Hg MANIFOLD DEPRESSION                                              

PORT SIZE..........................................1/2 NPT

MATERIALS:

BODY...................................................ALUMINUM

DIAPHRAGM.......................................HYDRIN

DIAPHRAGM COVER......................... ALUMINUM

PLEASE SEE FOLLOWING DESIGN DETAILS FOR SPECIFIC PRODUCT SPECS:

• ITEM IS A  MODEL 125 CARBURETOR WITH MIXER (CA125M)
• THROTTLE BODY:  AT2-23-8
• SAE FLANGE:  1.25"
• [A]   CENTER TO  CENTER BOLT SPACING: 68.3 mm(2.688") 
• [B]    BORE:   36.5mm (1.438")
• [C]    MIXER AIR HORN DIA.:   130mm (5.125")
• [D]    OVERALL WIDTH:  140mm (5.500")
• [E]     NPT INLET:  1/2"
• [F]     OVERALL HEIGHT:  119mm (4.688") 
• [G]     THROTTLE BODY HEIGHT:  34.9mm (1.375")
• [H]     THROTTLE SHAFT DIA.:  7.9mm (0.313")
•  [I]      FLANGE TO CENTER OF AIR HORN:  70.6mm (2.781")