SECTION CAUTIONS — READ FIRST! READ THESE WARNINGS AND SAFETY PRECAUTIONS PRIOR TO WARNING = Hazards or unsafe practices which INSTALLATION OR OPERATION. FAILURE TO COMPLY WITH THESE could result in severe personal injury, INSTRUCTIONS COULD RESULT IN PERSONAL INJURY AND OR death or substantial property damage PROPERTY DAMAGE.
SECTION PRINCIPLES OF OPERATION HOW AN AIR OPERATED DOUBLE DIAPHRAGM PUMP WORKS The air-valve directs pressurized air behind the diaphragm on the right, causing the diaphragm on the right to move outward (to the right). Since both the right diaphragm and the left diaphragm are connected via a diaphragm rod, when the right diaphragm moves to the right, the left diaphragm (through the action of the diaphragm rod) moves to the right also.
SECTION INSTALLATION, TROUBLESHOOTING AND MAINTENANCE INSTALLATION Ensure that the air supply is sufficient for the PIPING volume of air required by the pump. Refer to product specifications for further details. For reliable Whenever possible ensure the pump is installed using operation, install a 5 micron air filter, air-valve and the shortest possible pipe lengths with the minimum pressure regulator.
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SUGGESTED INSTALLATION This illustration is a generic representation of an air operated double-diaphragm pump. ALF-13230-E-01 All-Flo...
TROUBLESHOOTING PROBLEM EFFECT/SOLUTION Pump Will Not Cycle Discharge line closed or plugged Discharge filter blocked Check valve stuck Air filter blocked Air supply valve closed Air supply hooked up to muffler side of pump Compressor not producing air or turned off Muffler iced or blinded Diaphragm ruptured Plant air supply line ruptured...
OPERATION MAINTENANCE The Air-Operated Double Diaphragm Pump requires Due to the unique nature of each application, periodic a minimum of 20 psig of air to operate, with some inspection of the pump is the best method to determine variation according to diaphragm material. Increasing a proper maintenance schedule.
SECTION REPAIR AND ASSEMBLY PUMP WET END REMOVAL TOOLS NEEDED WARNING Prior to servicing the pump, ensure that the air 1) Two Wrenches, Inch and fluid lines are closed and disconnected. While wearing personal protective equipment, flush, drain and process liquid from the 2) One Wrench, ½...
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STEP 7 STEP 8 STEP 9 In order to remove both “Outer Remove both “Outer Chambers” Using two Inch wrenches, Chambers”, using the ½ inch from the “Intermediate”. remove “Outer Diaphragm Plate”, wrench, remove the “Chamber “Diaphragm”, “Inner Diaphragm Clamps” from each side of the Plate”...
REPAIR AND ASSEMBLY AIR VALVE REMOVAL TOOLS NEEDED WARNING Prior to servicing the pump, ensure that the air 1) One Wrench, Inch and fluid lines are closed and disconnected. While wearing personal 2) One Pick, General Purpose protective equipment, flush, drain and process liquid from the pump in a safe manner.
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STEP 7 STEP 8 STEP 9 Remove the “Air Valve Spool” from Using the pick, remove the “Lip Using the pick, remove the the main “Air-Valve Assembly”. Seal (Air Valve)” from the main second “Lip Seal (Air Valve)” from “Air-Valve Assembly”. the main “Air-Valve Assembly”.
REPAIR AND ASSEMBLY PILOT VALVE REMOVAL TOOLS NEEDED WARNING Prior to servicing the pump, ensure that the air 1) One Screwdriver, Phillips #2 and fluid lines are closed and disconnected. While wearing personal 2) Two Wrenches, Inch protective equipment, flush, drain and process liquid from the pump in a safe manner.
PILOT VALVE ASSEMBLY To assemble the pilot valve, reverse the order of disassembly. Should process fluid have contact with the pilot valve O-Rings, they should be replaced as swelling may occur and cause irregular operation. During assembly, ensure that the open side of the lip-seals are facing outward. Lubrication of the pilot sleeve assembly, with a non-synthetic lubricant, is recommended in order to facilitate re-assembly into the intermediate.
SECTION EXPLODED VIEW & PARTS LIST C050-SP*-****-*** CLAMPED PLASTIC ALF-13230-E-01 All-Flo...
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PARTS LIST - CLAMPED PLASTIC C050-SP*-****-*** ITEM DESCRIPTION PUMP MODEL PART NO. MATERIAL AIR VALVE END PLUG ALL MODELS 11703-60 Polypropylene AIR VALVE SPOOL ALL MODELS 10407-31 Acetal GASKET, INNER ALL MODELS 12103-11 Geolast® GASKET, OUTER ALL MODELS 12109-11 Geolast® SHUTTLE PLATE ALL MODELS 10403-77...
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PARTS LIST - CLAMPED PLASTIC C050-SP*-****-*** ITEM DESCRIPTION PUMP MODEL PART NO. MATERIAL DIAPHRAGM C050-SP*-V***-*** 10600-13 C050-SP*-G***-*** 10600-19 Geolast® C050-SP*-S***-*** 10600-23 Santoprene® C050-SP*-T***-*** 10600-23 Santoprene® DISCHARGE ELBOW C050-SPP-****-*** 11300-40 Polypropylene C050-SPK-****-*** 11300-56 PVDF INNER DIAPHRAGM PLATE C050-SPP-****-*** 11100-40 Polypropylene C050-SPK-****-*** 11100-56 PVDF INTERMEDIATE...
SECTION ELASTOMERS WETTED ELASTOMERS BUNA-N (NITRILE) GEOLAST® is a general purpose elastomer used with water and is an injection molded thermoplastic material with many oils. Temperature range 10°F to 180°F (-12°C characteristics similar to Nitrile. Has excellent to 82°C). abrasion resistance. Temperature range 10°F to 180°F (-12°C to 82°C).
SECTION WARRANTY AND REGISTRATION WARRANTY. All All-Flo products shall be covered by the standard All-Flo Limited Warranty in effect at the time of shipment. This warranty (which may be modified by All-Flo at any time) provides: MATERIALS SOLD ARE WARRANTED TO THE ORIGINAL USER AGAINST DEFECTS IN WORKMANSHIP OR MATERIALS UNDER NORMAL USE (RENTAL USE EXCLUDED) FOR FIVE YEARS AFTER PURCHASE DATE.
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22069 Van Buren Street Grand Terrace, CA 92313-5651 USA P: +1 (440) 354-1700 F: +1 (440) 354-9466 all-flo.com All-Flo is committed to the pursuit of designing and manufacturing the highest quality product available to industry. Since the beginning in 1986, All-Flo engineers have used their extensive knowledge of today’s engineered materials, advanced air system logic and manufacturing techniques to develop the superior group of lube-free, air-operated diaphragm pumps found in this catalog.
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