Dover PSG ALL-FLO A075 Series Installation, Operation & Maintenance Instruction Manual
Plastic 3/4 inch air-operated double-diaphragm pump
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Also See for PSG ALL-FLO A075 Series:
- Installation, operation & maintenance manual (30 pages) ,
- Installation operation & maintenance data (28 pages)
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Summary of Contents for Dover PSG ALL-FLO A075 Series
- Page 1 INSTALLATION OPERATION & MAINTENANCE A075 PLASTIC 3/4 INCH AIR-OPERATED DOUBLE-DIAPHRAGM PUMP...
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Page 2: Table Of Contents
TABLE OF CONTENTS SECTION 1 WARNINGS, DANGERS AND CAUTIONS SECTION 2 MODEL DESIGNATION MATRIX SECTION 3 PRINCIPLES OF OPERATION SECTION 4 DIMENSIONAL DRAWINGS SECTION 5 PERFORMANCE CURVES RUBBER, TPE AND PTFE DIAPHRAGMS ......7 SECTION 6 INSTALLATION, TROUBLESHOOTING AND MAINTENANCE INSTALLATION ..................8-9 TROUBLESHOOTING ..............10 OPERATION ..................11 MAINTENANCE ................11... - Page 3 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.
- Page 4 SECTION MODEL DESIGNATION MATRIX- BOLTED PLASTIC FLUID CONNECTION TYPE VALVE SEAT SPECIAL OPTION (HARDWARE, MUFFLER, LUG) N = NPT P = Polypropylene B = BSPT K = PVDF 7 = Stainless Steel Hardware, Standard Muffler 3 = Stainless Steel 8 = Stainless Steel Hardware, Premium Muffler AIR SECTION B = PTFE Coated Stainless Steel Hardware, O-RINGS...
- Page 5 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.
- Page 6 SECTION 3/4” PUMP DIMENSIONS BOLTED PLASTIC ALF-11040-E-02 All-Flo...
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Page 7: Performance Curves
SECTION PERFORMANCE CURVES Performance Specifications PERFORMANCE CURVE Max. Flow: 17 gpm (64.4 lpm) Max. Air Pressure: 120 psi (8.3 bar) Max. Solids: ” (3.2 mm) AIR CONSUMPTION (SCFM) Max. Suction Lift Dry: 15 ft-H O (4.6 m-H Max. Suction Lift Dry w/PTFE: 10 ft-H O (3.0 m-H Max. -
Page 8: Installation, Troubleshooting And Maintenance
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. - Page 9 SUGGESTED INSTALLATION This illustration is a generic representation of an air operated double-diaphragm pump. ALF-11040-E-02 All-Flo...
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Page 10: Troubleshooting
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... -
Page 11: Operation
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. -
Page 12: Repair And Assembly
SECTION REPAIR AND ASSEMBLY PUMP WET END REMOVAL WARNING Prior to servicing the pump, ensure that the air TOOLS NEEDED and fluid lines are closed and disconnected. While wearing personal 1) One Wrench, Inch protective equipment, flush, drain and process liquid from the pump in a safe manner. - Page 13 STEP 7 STEP 8 STEP 9 In order to remove both “Outer Remove both “Outer Chambers” Using two Inch wrenches, Chambers”, using two ½ inch from the “Intermediate”. remove “Outer Diaphragm Plate”, wrenches, remove eight “Hex Head “Diaphragm”, “Inner Diaphragm Cap Screws”...
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Page 14: Air Valve Removal
REPAIR AND ASSEMBLY AIR VALVE REMOVAL WARNING TOOLS NEEDED Prior to servicing the pump, ensure that the air and fluid lines are closed and disconnected. While wearing personal 1) One Wrench, Inch protective equipment, flush, drain and process liquid from the 2) One Pick, General Purpose pump in a safe manner. - Page 15 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”.
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Page 16: Pilot Valve Removal
REPAIR AND ASSEMBLY PILOT VALVE REMOVAL WARNING TOOLS NEEDED Prior to servicing the pump, ensure that the air and fluid lines are closed and disconnected. While wearing personal 1) One Screwdriver, Phillips #2 protective equipment, flush, drain and process liquid from the 2) Two Wrenches, Inch pump in a safe manner. -
Page 17: Torque Specifications
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. -
Page 18: Exploded Views And Parts Lists
SECTION EXPLODED VIEW & PARTS LIST A075-*P*-****-*** BOLTED PLASTIC ALF-11040-E-02 All-Flo... - Page 19 PARTS LIST - BOLTED PLASTIC A075-*P*-****-*** ITEM DESCRIPTION QTY PUMP MODEL PART NO. MATERIAL AIR VALVE END PLUG ALL MODELS 11703-60 Polypropylene AIR VALVE SPOOL ALL MODELS 10480-31 Acetal AIR VALVE GASKET ALL MODELS 12116-19 Nitrile SHUTTLE PLATE ALL MODELS 10416-77 Ceramic SHUTTLE...
- Page 20 PARTS LIST - BOLTED PLASTIC A075-*P*-****-*** ITEM DESCRIPTION QTY PUMP MODEL PART NO. MATERIAL DISCHARGE MANIFOLD A075-*PP-****-*** 10535-AF-40 Polypropylene A075-*PP-****-*** 10535-AF-40-BSP Polypropylene A075-*PY-****-*** 10535-AF-46 Conductive Nylon A075-*PY-****-*** 10535-AF-46-BSP Conductive Nylon A075-*PK-****-*** 10535-AF-56 PVDF A075-*PK-****-*** 10535-AF-56-BSP PVDF INNER DIAPHRAGM PLATE A075-*PP-****-*** 11100-40 Polypropylene A075-*PY-****-***...
- Page 21 SECTION ELASTOMERS & REPAIR KITS 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).
- Page 22 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.
- Page 23 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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