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Dover PSG All-Flo A025-SQ, Manual, Page: 23 / 24

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Dover PSG All-Flo A025-SQ Manual Download Page 23

ALF-13210-E-01

All-Flo

23

NOTES

Summary of Contents for PSG All-Flo A025-SQ

Page 1: ...IOM INSTALLATION OPERATION MAINTENANCE A025 SQ PLASTIC 1 4 INCH AIR OPERATED DOUBLE DIAPHRAGM PUMP ...

Page 2: ...AWINGS 6 SECTION 5 PERFORMANCE CURVES TPE AND PTFE DIAPHRAGMS 7 SECTION 6 INSTALLATION INSTALLATION 8 9 TROUBLESHOOTING 10 OPERATION 11 MAINTENANCE 11 SECTION 7 REPAIR AND ASSEMBLY PUMP WET END REMOVAL 12 13 AIR VALVE REMOVAL 14 15 TORQUE SPECIFICATIONS 15 SECTION 8 EXPLODED VIEWS AND PARTS LISTS 16 18 SECTION 9 ELASTOMERS AND REPAIR KITS 19 SECTION 10 WARRANTY AND REGISTRATION 20 ...

Page 3: ...ill reduce the maximum operating temperature The allowable temperature range for the process fluid is determined by the materials in contact with the fluid being pumped Consult a chemical resistance guide for chemical compatibility and a more precise safe temperature limit Always use minimum air pressure when pumping at elevated temperatures CAUTION Do not lubricate air supply CAUTIONS READ FIRST ...

Page 4: ...mium Muffler Grounding Lug Installed H PTFE Coated Stainless Steel Hardware Standard Muffler Grounding Lug Installed I PTFE Coated Stainless Steel Hardware Premium Muffler Grounding Lug Installed Note Equipment must be grounded to achieve ATEX rating it is recommended to configure the pump with a grounding lug option for ATEX applications SPECIAL OPTION OTHER 0 Standard 1 Cycle Counter Valve 2 Sol...

Page 5: ...ard to the left Since both the left diaphragm and the right diaphragm are connected via a diaphragm rod when the left diaphragm moves to the left the right diaphragm through the action of the diaphragm rod moves to the left also When the diaphragm on the left side moves outward the left discharge ball moves upward opens and the left suction ball moves downward closes This causes the liquid to leav...

Page 6: ...ALF 13210 E 01 All Flo 6 1 4 PUMP DIMENSIONS BOX PLASTIC SECTION 4 ...

Page 7: ...pylene 5 lbs 2 3 kg Weight PVDF Conductive Nylon 7 lbs 3 2 kg Air Inlet 1 4 FNPT Liquid Inlet FNPT FBSPT 1 4 Liquid Outlet FNPT FBSPT 1 4 Height 5 34 135 64 mm Width 7 50 190 5 mm Depth 5 5 139 70 mm 5 SECTION Flow rates indicated on the chart s shown were determined by pumping water at flooded suction For optimum life and performance pumps should be specified so that daily operation parameters wi...

Page 8: ...tion it is recommended to pipe the exhaust air above the liquid source In the event of a diaphragm failure this will reduce or eliminate the possibility of liquid discharging through the exhaust onto the ground LOCATION Ensure that the pump is installed in an accessible location in order to facilitate future service and maintenance AIR Ensure that the air supply is sufficient for the volume of air...

Page 9: ...ALF 13210 E 01 All Flo 9 SUGGESTED INSTALLATION This illustration is a generic representation of an air operated double diaphragm pump ...

Page 10: ...d Suction valve closed Suction line plugged No liquid in the suction tank Suction lift excessive Debris stuck in valves Excessive wear of check valves Air leak on suction side with suction lift Pump Cycles with Closed Discharge Valve Debris stuck in check valve Excessive wear of check valves Pump Running Slowly Not Steady Air compressor undersized Leak in air supply Air line filter regulator or ne...

Page 11: ...and the pump Do not use valves for flow control on the suction side of the pump Closing or partially closing a liquid suction valve restrict the suction line and may cause damage to the diaphragms Suction strainers may be employed to reduce or eliminate larger solids but routine maintenance is necessary in order to prevent a restriction on the suction MAINTENANCE Due to the unique nature of each a...

Page 12: ...ch wrenches remove six Hex Head Cap Screws six Tension Washers twelve Washers and six Nuts from the Manifolds Note the tension washer cup face should face towards the pump STEP 2 Remove the Left Chamber and Right Chamber from the Intermediate Note the Left Chamber has the long standoffs STEP 3 Remove the O Ring Retainers and the O Rings from the Right Chamber STEP 4 Using the straight blade screwd...

Page 13: ...ontains the open ports STEP 8 Remove the Manifold Gaskets from the Left Chamber Note the Left Chamber has the long standoffs STEP 9 Using two 3 4 Inch wrenches remove Outer Diaphragm Plate Diaphragm and Inner Diaphragm Plate from one side of the pump Note PTFE diaphragms also contain an O Ring on the Intermediate side STEP 10 Placing the 3 4 inch wrench on the remaining Outer Diaphragm Plate and t...

Page 14: ...ir of pliers work the Air Inlet Cap loose from the Intermediate STEP 2 Using the pair of pliers remove the Air Inlet Cap from the Intermediate Ensure the O Ring is installed when reassembling STEP 3 Set aside the Air Inlet Cap and O Ring from the Intermediate STEP 4 Using the screwdriver remove two Phillips Pan Head Screws in order to remove the Retaining Plate Repeat for other side of the pump ST...

Page 15: ...isassembly During assembly ensure that the open side of the lip seals are both facing each other inward Lubrication of the air valve assembly with a non synthetic lubricant is recommended Magna Lube or Magna Plate are recommended for assembly lubrication see detailed parts list for ordering information Note that if the lip seals are installed incorrectly they will be unable to rotate Apply pressur...

Page 16: ...ALF 13210 E 01 All Flo 16 EXPLODED VIEW PARTS LIST A025 SQ BOX PLASTIC SECTION 8 ...

Page 17: ... PTFE ONLY 9 DIAPHRAGM 2 A025 SQ G 10604 19 Geolast A025 SQ S 10604 23 Santoprene A025 SQ T 10604 59 PTFE 10 INNER DIAPHRAGM PLATE 2 ALL MODELS 11105 25 Plated Steel 11 DIAPHRAGM ROD Short 1 ALL MODELS Stainless Steel 12 SCREW 6 X 1 2 4 ALL MODELS 12510 26 Stainless Steel 13 SEAL RETAINER 2 ALL MODELS 12710 60 Polypropylene 14 LIP SEAL 2 ALL MODELS 12000 76 Nitrile 15 INTERMEDIATE 1 ALL MODELS 115...

Page 18: ... 6 ALL MODELS NON PTFE COATED 12517 26 Stainless Steel 28 HEX NUT 1 4 20 6 ALL MODELS NON PTFE COATED 12600 26 Stainless Steel 29 WASHER TENSION 1 4 6 ALL MODELS NON PTFE COATED 12305 26 Stainless Steel Any Character NOTE DIAPHRAGM ROD CAN ONLY BE PURCHSED AS AN ASSEMBLY DIAPHRAGM ROD ASSEMBLY 1 ALL MODELS 39000 00 Stainless Steel Items 11 16 PARTS LIST BOX PLASTIC A025 SQ ...

Page 19: ...GEOLAST is an injection molded thermoplastic material with characteristics similar to Nitrile Has excellent abrasion resistance Temperature range 10 F to 180 F 12 C to 82 C EPDM is a general purpose elastomer with good resistance to many acids and bases Temperature range 40 F to 280 F 40 C to 138 C SANTOPRENE is an injection molded material with characteristics similar to EPDM Has excellent abrasi...

Page 20: ...NTIES WHETHER EXPRESS IMPLIED OR ORAL INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY ANY IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE AND ANY IMPLIED WARRANTIES OTHERWISE ARISING FROM A COURSE OF DEALING OR TRADE All Flo will not in ANY event be liable for any loss of profit interruption of business or any other special consequential or incidental damages suffered or sustained by Custom...

Page 21: ...ALF 13210 E 01 All Flo 21 NOTES ...

Page 22: ...ALF 13210 E 01 All Flo 22 NOTES ...

Page 23: ...ALF 13210 E 01 All Flo 23 NOTES ...

Page 24: ...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 Every pump is performance engineered and quality built to p...

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