All-Flo IOM S050 Installation Operation & Maintenance Data

Metal 1/2 inch air-operated double-diaphragm pump

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IOM
INSTALLATION OPERATION
& MAINTENANCE
S050
METAL 1/2 INCH
AIR-OPERATED DOUBLE-DIAPHRAGM PUMP

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Summary of Contents for All-Flo IOM S050

  • Page 1 INSTALLATION OPERATION & MAINTENANCE S050 METAL 1/2 INCH AIR-OPERATED DOUBLE-DIAPHRAGM PUMP...
  • 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 ALF-13131-E-02 All-Flo...
  • Page 3: Warnings, Dangers And Cautions

    Always use minimum air pressure when pumping at elevated temperatures. CAUTION It is the end user’s responsibility to maintain the process fluid’s temperature during use. CAUTION Ensure all wetted components are chemically compatible with the process fluid and the cleaning fluid. ALF-13131-E-02 All-Flo...
  • Page 4: Model Designation Matrix

    Air end repair kit contains pilot See matrix below. sleeve assembly and main air valve. AIR SECTION A = Aluminum Bold indicates recommended options P = Polypropylene (Glass Filled) * Solenoid Adaptor Valves only available on select pump models with polypropylene intermediate ALF-13131-E-02 All-Flo...
  • Page 5 Pass valves, and 4 seat O-rings. See matrix below. AIR SECTION P = Polypropylene (Glass Filled) Bold indicates recommended options A = Aluminum * Solenoid Adaptor Valves only available on select pump models with polypropylene intermediate ALF-13131-E-02 All-Flo...
  • 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. Note: The graphics show ball valves, which are replaced with Max-Pass™ valves for these pump models. ALF-13131-E-02 All-Flo...
  • Page 7: Dimensional Drawings

    3.2” (81mm) 3.6” (91mm) 4.0” (102mm) 1.1” (28mm) 2.3” (58mm) 3/8”-18 FNPT (Exhaust Port) 4.4” (112mm) 5.4” (137mm) Note - Suction Right / Discharge Right are default ports. See part number matrix option code for additional porting options. ALF-13131-E-02 All-Flo...
  • Page 8 3.2” (81mm) 4.4” (112mm) 4.4” (112mm) 4.4” (112mm) 3/8”-18 FNPT (Exhaust Port) 5.4” (137mm) 5.4” (137mm) 5.4” (137mm) Note - Suction Right / Discharge Right are default ports. See part number matrix option code for additional porting options. ALF-13131-E-02 All-Flo...
  • 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. ALF-13131-E-02 All-Flo...
  • Page 10: Installation, Troubleshooting And Maintenance

    LOCATION Ensure that the pump is installed in an accessible location, in order to facilitate future service and maintenance. ALF-13131-E-02 All-Flo...
  • Page 11 SUGGESTED INSTALLATION This illustration is a generic representation of an air operated double-diaphragm pump. ALF-13131-E-02 All-Flo...
  • 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 ALF-13131-E-02 All-Flo...
  • Page 13: Operation

    Suction strainers may be employed to reduce or eliminate larger solids, but Schedule pump service based on pump’s service routine maintenance is necessary in order to prevent history. a restriction on the suction. ALF-13131-E-02 All-Flo...
  • Page 14: Repair And Assembly

    Using the 7/16 inch wrench re- Remove the “Suction Manifold”. Remove the “O-ring”, “Max-Pass ™ move four “Hex-Head Cap Screws backups”, and “Max-Pass™ valve” (1/4”-20 x 1-3/4”)” and four “Flat from the “Suction Manifold”. Washers (1/4”)” from the “Suction Manifold”. ALF-13131-E-02 All-Flo...
  • Page 15 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. ALF-13131-E-02 All-Flo...
  • 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. ALF-13131-E-02 All-Flo...
  • Page 17 Note that if the lip-seals are installed incorrectly, they will be unable to rotate. Insert the spool, larger chamfer first (longer piston/smaller boss), smaller chamfer to be on the plug side (larger boss), ensure O-ring is in- stalled and then the air-valve end plug into position. ALF-13131-E-02 All-Flo...
  • Page 18: Pilot Valve Removal

    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. ALF-13131-E-02 All-Flo...
  • 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” ALF-13131-E-02 All-Flo...
  • Page 20: Exploded Views And Parts Lists

    SECTION EXPLODED VIEW & PARTS LIST ALUMINUM AND STAINLESS STEEL PUMPS WITH ALUMINUM CENTER SECTION (S050-*A*-****-***) ALF-13131-E-02 All-Flo...
  • Page 21 Acetel LIP SEAL (AIR VALVE) ALL MODELS 12003-76 ‡ Nitrile O-RING (AIR VALVE END PLUG) ALL MODELS 11913-11 ‡ Nitrile AIR VALVE END PLUG S050-*A*-****-*** 11706-20 ‡ Aluminum MUFFLER ALL MODELS 13008-00 Standard MUFFLER (METAL) Optional 13002-00 Metal ALF-13131-E-02 All-Flo...
  • Page 22 ‡ AIR VALVE ASSEMBLY S050-*A*-****-*** SMK-050-A Various 230, 240, 250, 260, 270, 280, 290, 300 Δ PILOT SEEVE ASSEMBLY S050-*A*-****-*** SPK-050-A Various 80, 100, 110, 120, 130, 140 PILOT SEEVE ELASTOMER KIT ALL MODELS PEK-32000 Various 100 THROUGH 140 ALF-13131-E-02 All-Flo...
  • Page 23 EXPLODED VIEW & PARTS LIST ALUMINUM AND STAINLESS STEEL PUMPS WITH PLASTIC CENTER SECTION (S050-*P*-****-***) ALF-13131-E-02 All-Flo...
  • Page 24 ALL MODELS 12003-76 ‡ Nitrile O-RING (AIR VALVE END PLUG) ALL MODELS 11913-11 ‡ Nitrile AIR VALVE END PLUG S050-*P*-****-*** 11703-60 ‡ Polypropylene MUFFLER ALL MODELS 13008-00 Standard MUFFLER (METAL) Optional 13002-00 Metal MUFFLER PLATE S050-*P*-****-*** 13111-60 Polypropylene ALF-13131-E-02 All-Flo...
  • Page 25 ‡ AIR VALVE ASSEMBLY S050-*P*-****-*** SMK-050-P Various 230, 240, 250, 261, 270, 280, 290, 300 Δ PILOT SEEVE ASSEMBLY S050-*P*-****-*** SPK-050-P Various 80, 100, 110, 120, 130, 140 PILOT SEEVE ELASTOMER KIT ALL MODELS PEK-32000 Various 100 THROUGH 140 ALF-13131-E-02 All-Flo...
  • Page 26: Elastomers And Repair Kits

    ExxonMobil Chemical Co. ® Santoprene is a registered trademark of ExxonMobil Chemical Co. ® Hytrel is a registered trademark of DuPont Performance Elastomers L.L.C. ® Magnalube is a registered trademark of Carleton-Stuart Corp. ® ALF-13131-E-02 All-Flo...
  • 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 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...

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