ACTION PUMP LIQUID RATIO MIXER PUMP CMX2 0-57 ADVANCED COOLANT MIXERS THAT ARE VIRTUALLY MAINTENANCE FREE HIGHLY ACCURATE AND PROVIDE EASY & FAST ADJUSTMENT. COOLANT / LIQUID MIXERS ARE WIDELY USED IN INDUSTRY FOR MIXING LIQUID COOLANT CONCENTRATE WITH WATER FOR SUPPLY TO MACHINES. THESE ALSO FIND APPLICATIONS IN WORKSHOPS & GARAGES FOR MIXING WATER WITH DETERGENTS ANTIFREEZE ETC. TRADITIONALLY THE COOLANT MIXERS ARE DESIGNED EITHER WITH A NEEDLE VALVE OR USING A SET OF MIXING JETS. BOTH THESE DESIGNS HAVE SEVERAL FLAWS SUCH AS CUMBERSOME & TIME CONSUMING ADJUSTMENT TOO MANY PARTS PRONE TO BLOCKAGE HIGH CHANCE OF LOOSING THE MIXING JETS WHICH NEED TO BE STORED SEPARATELY ETC. THE COMPACT CONSTRUCTION & MINIMAL PARTS MAKES THEM EASY TO INSTALL & HIGHLY RELIABLE. LIGHTWEIGHT ALUMINUM BODY DRIVEN BY PRESSURE FROM WATER SUPPLY INCLUDES FULL FLOW BRASS BALL VALVE & ALSO FITTED WITH 2 BACK FLOW PREVENTERS 0 TO 57 MIXING RATIO IDEAL FOR SOAP SOLUTIONS. ADJUSTMENT OF MIXING RATIO IS VARIABLE & CONTROLLED THROUGH A SIMPLE TURN OF THE KNOB. INBUILT SUCTION TUBE & 2"" BUNG THAT FITS DIRECTLY ONTO 55 GAL (205 LITRE) COOLANT DRUMS.