Related Manuals for All-Flo A050
Summary of Contents for All-Flo A050
- Page 1 PUMP OPERATIONS & MAINTENANCE MANUAL A050 - 1/2 INCH AIR OPERATED DOUBLE DIAPHRAGM PUMP all-flo.com...
-
Page 2: Table Of Contents
REPAIR AND ASSEMBLY PUMP WET END REMOVAL ..........14-15 AIR VALVE REMOVAL ............16-17 PILOT VALVE REMOVAL ..........18-19 TORQUE SPECIFICATIONS ............19 SECTION 8 EXPLODED VIEWS AND PARTS LISTS 20-25 SECTION 9 ELASTOMERS AND REPAIR KITS SECTION 10 WARRANTY AND REGISTRATION all-flo.com... -
Page 3: Warnings, Dangers And Cautions
Temperature limits are solely based upon mechanical stress and certain chemicals will reduce the maximum operating temperature. 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. all-flo.com... -
Page 4: Model Designation Matrix
4 = All Ports Open (Standard ports will be left un-plugged) INTERMEDIATE / INNER CHAMBER A = Aluminum Bold indicates recommended options P = Polypropylene (Glass Filled) Adaptor Valves only available on select pump models with polypropylene intermediate Solenoid all-flo.com... - Page 5 4 = All Ports Open (Standard ports will be left un-plugged) INTERMEDIATE / INNER CHAMBER P = Polypropylene (Glass Filled) Bold indicates recommended options A = Aluminum Adaptor Valves only available on select pump models with polypropylene intermediate Solenoid all-flo.com...
-
Page 6: Principles Of Operation
The process of alternating right suction / left discharge (and vice-versa) continues as long as compressed air is supplied to the pump. all-flo.com... -
Page 7: Dimensional Drawings
Stainless Steel 0.28” (7mm) 3.2” (81mm) 3.6” (91mm) 4.0” (102mm) 1.1” (28mm) 2.3” (58mm) 4.4” (112mm) 3/8”-18 FNPT (Exhaust Port) 5.4” (137mm) Note - Suction Right / Discharge Right are default ports. See part number matrix option code for additional porting options. all-flo.com... - Page 8 Stainless Steel 0.28” (7mm) 4.1” (104mm) 3.6”(91mm) 4.0” 1.8” (46mm) (102mm) 3.2” (81mm) 4.4” (112mm) 3/8”-18 FNPT (Exhaust Port) 5.4” (137mm) Note - Suction Right / Discharge Right are default ports. See part number matrix option code for additional porting options. all-flo.com...
-
Page 9: Performance Curves
*Flow rates indicated on all three charts shown were determined by pumping water at flooded suction, using an aluminum intermediate fitted pump. For optimum life and performance, pumps should be specified so that daily operation parameters will fall in the center of the pump performance curve. **Polypropylene intermediate is 7.3” (185mm) deep. all-flo.com... -
Page 10: Installation
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. all-flo.com... - Page 11 SUGGESTED INSTALLATION This illustration is a generic representation of an air operated double-diaphragm pump. all-flo.com...
-
Page 12: Troubleshooting
Pump may be cavitating, reduce speed of operation Suction strainer clogged Pump Will Not Prime Air leak in suction pipe Air leak in pump manifold connections Suction strainer and lines clogged Excessive lift conditions Check valve wear Debris in check valve all-flo.com... -
Page 13: Operation
(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. all-flo.com... -
Page 14: Repair And Assembly
STEP 6 Using the 7/16 inch wrench re- Remove the “Suction Manifold”. Remove the “O-Ring”, “Valve move four “Hex-Head Cap Screws Seat” and “Ball” from the “Suction (1/4”-20 x 1-3/4”)” and four “Flat Manifold”. Washers (1/4”)” from the “Suction Manifold”. all-flo.com... - Page 15 PUMP WET END ASSEMBLY To assemble the wet end of the pump, reverse the order of disassembly. Ensure all hardware is fastened in accordance with torque specifications (see page 19). Inverting one of the diaphragms during reassembly will facilitate ease of assembly. all-flo.com...
-
Page 16: Air Valve Removal
“Air-Valve Assembly”. main “Air-Valve Assembly”. the “Air Valve End Plug” from the main “Air-Valve Assembly”. Note: The smooth shinny side of the shuttle plate should be toward Ensure the “O-Ring” is installed the shuttle car. when reassembling. all-flo.com... - Page 17 Note that if the lip-seals are installed incorrectly, they will be unable to rotate. Insert the spool, larger chamfer first, smaller chamfer to be on the plug side (longer piston/smaller boss), ensure O-ring is installed and then the air-valve end plug into position. all-flo.com...
-
Page 18: Pilot Valve Removal
Using two 7/16 inch wrenches, Remove the “Pilot Sleeve” from (Pilot Sleeve)” and four “O-Rings dissemble the “Diaphragm Rod the disassembled “Diaphragm (Pilot Sleeve)” from the pilot Assembly” into its two parts. Rod Assembly”. sleeve assembly. Note: They are installed with thread locker. all-flo.com... -
Page 19: Torque Specifications
Wrench Size Manifold Bolts 78 in-lbs (8.8 N-m) 7/16” Chamber Bolts 85 in-lbs (9.6 N-m) 1/2” Air Valve Bolts 40 in-lbs (4.5 N-m) 7/16” Diaphragm plate 70 in-lbs (7.9 N-m) 3/4” Diaphragm plate (PTFE) 70 in-lbs (7.9 N-m) 3/4” all-flo.com... -
Page 20: Exploded Views And Parts Lists
SECTION EXPLODED VIEW & PARTS LIST ALUMINUM AND STAINLESS STEEL PUMPS WITH ALUMINUM CENTER SECTION (A050-*A*-****-***) all-flo.com... - Page 21 PARTS LIST - ALUMINUM AND STAINLESS STEEL PUMPS WITH ALUMINUM CENTER SECTION (A050-*A*-****-***) ITEM DESCRIPTION PUMP MODEL PART NO. MATERIAL Pilot Sleeve ALL MODELS 10105-31 Acetel Inner Spacer (Pilot Sleeve) ALL MODELS 10203-40 Polyproplyene End Spacer (Pilot Sleeve) ALL MODELS...
- Page 22 PARTS LIST - ALUMINUM AND STAINLESS STEEL PUMPS WITH ALUMINUM CENTER SECTION (A050-*A*-****-***) ITEM DESCRIPTION PUMP MODEL PART NO. MATERIAL O-Ring (Pilot Sleeve) ALL MODELS 11920-16 Urethane O-Ring (End Spacer) ALL MODELS 11923-11 Nitrile Lip Seal (Diaphragm Rod) ALL MODELS...
- Page 23 EXPLODED VIEW & PARTS LIST ALUMINUM AND STAINLESS STEEL PUMPS WITH PLASTIC CENTER SECTION (A050-*P*-****-***) all-flo.com...
- Page 24 ALL MODELS 33000-00 Stainless Steel Shuttle ALL MODELS 10415-00 Special Shuttle Plate ALL MODELS 10416-77 Ceramic Air Valve Spool ALL MODELS 10480-31 Acetel Diaphragm A050-***-G***-*** 10600-19 Geolast ® A050-***-S***-*** 10600-23 Santoprene ® A050-***-T***-*** 10600-23 PTFE A050-***-N***-*** 10600-21 Nitrile A050-***-V***-*** 10600-13 Viton ®...
- Page 25 Lip Seal (Diaphragm Rod) ALL MODELS 12000-76 Nitrile Lip Seal (Air Valve) ALL MODELS 12003-76 Nitrile Air Valve Gasket ALL MODELS 12116-19 Nitrile Gasket, 1/2” Bolted Muffler Plate A050-*P*-****-*** 12117-19 Nitrile Pipe Plug A050-N*A-****-*** 12255-20-NPT Aluminum A050-B*A-****-*** 12255-20-BSP Aluminum A050-N*3-****-*** 12255-26-NPT Stainless Steel...
-
Page 26: Elastomers And Repair Kits
Geolast is a registered trademark of ExxonMobil Chemical Co. ® Santoprene is a registered trademark of ExxonMobil Chemical Co. Teflon ® is a registered trademark of DuPont Performance Elastomers L.L.C. Magnalube ® is a registered trademark of Carleton-Stuart Corp. all-flo.com... - Page 27 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 Customer.
- Page 28 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.
Need help?
Do you have a question about the A050 and is the answer not in the manual?
Questions and answers