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ALF-13120-E-02

All-Flo

19

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. ANY 

PUMP WHICH IS DETERMINED TO BE DEFECTIVE IN MATERIAL AND WORKMANSHIP AND RETURNED TO 

ALL-FLO, SHIPPING COSTS PREPAID, WILL BE REPAIRED OR REPLACED AT ALL-FLO’S OPTION. CUSTOMER 

SHALL NOTIFY ALL-FLO IN WRITING WITHIN 30 DAYS OF ANY CLAIMED DEFECTS. NO MATERIALS CAN BE 

RETURNED WITHOUT THE PRIOR CONSENT OF ALL-FLO, AND IF APPROVED SHALL BE RETURNED TO  

ALL-FLO FREIGHT PREPAID. ALL-FLO’S LIABILITY FOR ANY BREACH OF THIS WARRANTY SHALL BE  

LIMITED TO EITHER REPLACEMENT OF THE MATERIALS OR, AT ALL-FLO’S SOLE OPTION, THE REFUND OF 

THE PURCHASE PRICE. ALL-FLO SHALL NOT BE HELD LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL 

DAMAGES CAUSED BY BREACH OF THIS WARRANTY. THIS EXCLUSION APPLIES WHETHER SUCH DAMAGES 

WERE SOUGHT BASED ON BREACH OF WARRANTY, BREACH OF CONTRACT, NEGLIGENCE, STRICT LIABILITY 

IN TORT, OR ANY OTHER LEGAL THEORY. FURTHER, ALL-FLO SHALL NOT BE LIABLE FOR LOSSES, DELAYS, 

LABOR COSTS, OR ANY OTHER COST OR EXPENSE DIRECTLY OR INDIRECTLY ARISING FROM THE USE OF 

MATERIALS. ALL-FLO’S LIABILITY IS EXPRESSLY LIMITED TO THE REPLACEMENT OR REPAIR OF DEFECTIVE 

GOODS, OR THE TOTAL VALUE OF SUCH GOODS. THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES, 

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 Customer. All-Flo’s total maximum liability to the customer in respect of sale of materials or  

services rendered by All-Flo is limited to the total monies received by All-Flo from the customer for the  

particular materials described in Customer’s order.

All-Flo does not warrant any part or component that it does not manufacture, but will assign to the original 

end-user purchaser of any warranty received by it from the manufacturer, to extent such pass through is  

permitted by the manufacturer.

REGISTRATION FORM

Pump Model  _________________________________   Pump Serial Number  __________________________

Company Name  _____________________________________________________________________________

Name  ______________________________________ Email 

 _______________________________________

Phone #  ____________________________  City _____________________  State  ______ Zip  ___________

Qty of Pumps  ________________________________  Fluid Pumping  _______________________________

How did you hear about us? Existing All-Flo user,  

Web, Distributor, Magazine…

______________________________________________________

www.all-flo.com/registration-form.html 

WARRANTY AND REGISTRATION

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All-Flo | Attn: Product Registration

22069 Van Buren Street, Grand Terrace, CA 92313-5651

SECTION

10

Summary of Contents for Max-Pass S Series

Page 1: ...IOM INSTALLATION OPERATION MAINTENANCE S038 PLASTIC 3 8 INCH AIR OPERATED DOUBLE DIAPHRAGM PUMP ...

Page 2: ...NGS 6 SECTION 5 PERFORMANCE CURVE 7 SECTION 6 INSTALLATION TROUBLESHOOTING AND MAINTENANCE 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 17 SECTION 9 ELASTOMERS AND REPAIR KITS 18 SECTION 10 WARRANTY AND REGISTRATION 19 ...

Page 3: ...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 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 CAUTIONS R...

Page 4: ...FE Coated Stainless Steel Hardware Premium Muffler F Stainless Steel Hardware Standard Muffler Grounding Lug Installed G Stainless Steel Hardware Premium 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 ...

Page 5: ... causing the left diaphragm to move outward 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 downwa...

Page 6: ...ALF 13120 E 02 All Flo 6 3 8 PUMP DIMENSIONS PLASTIC SOLIDS SECTION 4 ...

Page 7: ...lene Conductive Nylon 3 8 lbs 1 7 kg Weight PVDF 5 lbs 2 3 kg Air Inlet 1 4 FNPT Liquid Inlet FNPT FBSPT 3 8 Liquid Outlet FNPT FBSPT 3 8 Height 7 19 182 6 mm Width 8 55 217 2 mm Depth 4 82 122 4 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 wil...

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 13120 E 02 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: ...safe manner WARNING Maintenance must not be performed when a hazardous atmo sphere is present STEP 1 Using the 7 16 inch wrenches remove four Hex Head Cap Screws eight Washers and four Hex Nuts from the Discharge Manifold Outer Chamber and Suction Manifold STEP 4 Set the Intermediate with attached Outer Chambers aside STEP 2 Remove the Discharge Manifold STEP 5 Remove the Suction Manifold STEP 3 R...

Page 13: ...nti seize compound to the thread Note When using pumps built with PTFE O Rings always replace with new PTFE O Rings since the original O Rings may not reseal the pump STEP 7 In order to remove both Outer Chambers using the inch wrench remove the Chamber Clamps from each side of the Intermediate STEP 10 Placing the 3 4 inch wrench on the remaining Outer Diaphragm Plate and the straight blade screwd...

Page 14: ...64 Inch 3mm WARNING Prior to servicing the pump ensure that the air and fluid lines are closed and disconnected While wearing personal protective equip ment flush drain and process liquid from the pump in a safe manner WARNING Maintenance must not be performed when a hazardous atmo sphere is present STEP 4 STEP 5 STEP 6 Remove the Air Valve from the Intermediate Set the mechanism to the the Hard S...

Page 15: ...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 If the lip seals are installed incorrectly they will be unable to rotate TORQUE SPECIFICATION CHART RECOMMENDED TORQUE SPECIFICATIONS 3 8 Pumps Manifold Bo...

Page 16: ...ALF 13120 E 02 All Flo 16 EXPLODED VIEW PARTS LIST S038 SQ PLASTIC SOLIDS SECTION 8 ...

Page 17: ...E 11938 15 EPDM S038 SQ T 11938 17 PTFE S038 SQ V 11938 82 VFKM 13 MAX PASS VALVE 4 S038 SQ N 10915 11 Nitrile S038 SQ V 10915 13 FKM S038 SQ E 10915 15 EPDM 14 MAX PASS BACKUP 4 S038 SQP 10916 40 Polypropylene S038 SQY 10916 46 Conductive Nylon S038 SQK 10916 56 PVDF 15 MAX PASS SLEEVE 4 S038 SQP 10917 40 Polypropylene S038 SQY 10917 42 Nylon S038 SQK 10917 56 PVDF 16 OUTER CHAMBER 2 S038 SQP 107...

Page 18: ...ature 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 abrasion resistance Temperature range 40 F to 225 F 40 C to 107 C PTFE POLYTETRAFLUOROETHYLENE is a thermoplastic polymer that is inert to m...

Page 19: ...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 20: ...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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