Binks GEMINI II 41-818831 Service & Operating Manual Download Page 1

Model 41-818831  

Conductive Acetal Ball Valve Pump

Table of Contents

Engineering Data and Temperature Limitations .......................................................1
Warranty Information ................................................................................................1
Performance Curve ..................................................................................................2
Dimensions ...............................................................................................................3
Metric Dimensions ....................................................................................................3
Principle of Pump Operation.....................................................................................4
Installation and Start-up............................................................................................4
Air Supply .................................................................................................................4
Air Valve Lubrication .................................................................................................4
Air Line Moisture.......................................................................................................4
Air Inlet and Priming .................................................................................................4
Between Uses ..........................................................................................................4
Troubleshooting  .......................................................................................................5
Important Safety Information ....................................................................................6
Composite Repair Parts Drawing .............................................................................8

Overlay Option Drawing, Muffler Option Drawing

.....................................................8

Available Service and Conversion Kits .....................................................................8
Composite Repair Parts List .....................................................................................9

Air Valve Assembly Drawing ...................................................................................10
Air Valve Assembly Parts List .................................................................................10
Air Valve Servicing ..................................................................................................11
Pilot Valve Servicing ...............................................................................................12
Intermediate Assembly Drawing and Servicing ......................................................13
Check Valve Drawing .............................................................................................14
Check Valve Servicing ............................................................................................14
Diaphragm Service Drawing, with Overlay .............................................................15
Diaphragm Servicing ..............................................................................................16
Overlay Diaphragm Servicing  ................................................................................16
Pumping Hazardous Liquids...................................................................................17
Converting the Pump for Piping the Exhaust Air ....................................................17
Exhaust Conversion Drawing .................................................................................17
Converted Exhaust Illustration................................................................................17
Grounding the Pump ..............................................................................................18
EC Declaration of Conformity - Machinery .............................................................19
EC Declaration of Conformity - ATEX .....................................................................20

Explanation of ATEX Certificate

 ..............................................................................21

II 2GD T5

II 2 G c T5

II 3/2 G c T5

II 2 D c T100°c

SERVICE & OPERATING MANUAL

Original Instructions

Binks  •  195 International Blvd.  •  Glendale Heights, IL 60139 USA  •  Telephone: 1.800.99.BINKS, 630.237.5000

Toll Free Customer Service and Technical Support: 800-992-4657  •  Toll Free Fax: 888-246-5732

Part Sheet 77-2995

Summary of Contents for GEMINI II 41-818831

Page 1: ...ve Servicing 11 Pilot Valve Servicing 12 Intermediate Assembly Drawing and Servicing 13 Check Valve Drawing 14 Check Valve Servicing 14 Diaphragm Service Drawing with Overlay 15 Diaphragm Servicing 16...

Page 2: ......

Page 3: ...Capacity 0 to 14 gallons per minute 0 to 52 liters per minute Air Valve No lube no stall design Solids Handling Up to 125 in 3mm Heads Up To 100 psi or 231 ft of water 7 Kg cm2 or 70 meters Displaceme...

Page 4: ...5 6 7 0 30 20 25 10 15 5 9 1 6 7 6 3 4 5 1 5 10 17 15 25 5 Performance based on the following elastomer fitted pump flooded suction water at ambient conditions The use of other materials and varying...

Page 5: ...5 3mm 11 54 293 10 11 257 SUCTION PORT 1 2 NPT INTERNAL 1 NPT EXTERNAL DISCHARGE PORT 1 2 NPT INTERNAL 1 NPT EXTERNAL ALSO AVAILABLE IN BSP TAPERED ALSO AVAILABLE IN BSP TAPERED 7 46 189 07 2 5 46 139...

Page 6: ...ump and the piping The flexible hose reduces vibration and strain to the pumping system A surge suppressor is recommended to further reduce pulsation in flow Air Supply Air supply pressure cannot exce...

Page 7: ...o Check Rigid pipe connections to pump Corrective Action Install flexible connectors and a Surge Suppressor What to Check Blocked air exhaust muffler Corrective Action Remove muffler screen clean or d...

Page 8: ...his manual completely before installation and start up of the pump It is the responsibility of the purchaser to retain this manual for reference Failure to comply with the recommendations stated in th...

Page 9: ...B41 818831conductiveacetal rev0113 Model 41 818831 Conductive Acetal Ball Valve Pump Page 7...

Page 10: ...Seals 41 718861 DIAPHRAGM KIT Santoprene Backup Diaphragm PTFE Overlay Diaphragms PTFE Manifold O rings and PTFE Seals for metal check valve seats 41 718854 BALL AND SEAT KIT 316 Stainless Steel Check...

Page 11: ...15 Diaphragm One Piece Bonded PTFE 2 16 Elbow Suction 2 17 Elbow Discharge 2 19 Gasket Air Inlet 1 Item Description Qty 20 Gasket Pilot Valve 1 21 Gasket Air Valve 1 22 Manifold NPT 2 Manifold BSPT T...

Page 12: ...I 1 H 1 G 1 B 1 C 1 F 1 F 1 D 1 E MAIN Air Valve ASSEMBLY Parts List Item Description Qty 1 Valve Assembly 1 1 A Sleeve and Spool Set 1 1 B Valve Body 1 1 C Bumper 2 1 D End Cap 2 1 E Hex Flange Caps...

Page 13: ...atches orothercontaminants Remove the sleeve if needed and replace with a new sleeve and spool set item 1 A Step 3 Reassembly of the air valve Install one bumper item 1 C and one end cap item 1 D with...

Page 14: ...ing Pilot Valve Assembly Parts List For Models Equipped with Aluminum Midsections Item Description Qty 3 Pilot Valve Assembly 1 3 A Valve Body 1 3 B Sleeve With O Rings 1 3 C O Ring Sleeve 6 3 D Spool...

Page 15: ...of the intermediate cavity Inspect for wear or damage Replace plunger as needed Apply a light coating of grease to each o ring and re install the plungers in to the bushings Push the plungers in as fa...

Page 16: ...items 13 Inspect the check balls items 2 for wear abrasion or cuts on the spherical surface The check valve seats items 33 should be inspected for cuts abrasive wear or embedded material on the surfac...

Page 17: ...B41 818831conductiveacetal rev0113 Model 41 818831 Conductive Acetal Ball Valve Pump Page 15 Diaphragm Service Drawing with Overlay 10 24 10 15 30 6 27 14 13 10 24 10 9 14...

Page 18: ...e tapped hole at the end of the diaphragm rod item 30 until the inner diaphragm plate is flush to the end of the rod Insert rod into pump Align the bolt holes in the diaphragm with the bolt pattern in...

Page 19: ...g the pipe size will restrict air flow and reduce pump performance When the pumped product source is at a higher level than the pump flooded suction condition pipe the exhaust higher than the product...

Page 20: ...king this pump must be grounded Check the local electrical code for detailed grounding instruction and the type of equipment required Take action to prevent static sparking Fire or explosion can resul...

Page 21: ...5 International Blvd Glendale Heights IL 60139 certifies that BINKS models 41 818810 41 818820 41 818822 41 818830 41 818823 41 818831 and 41 818836 Air Operated Double Diaphragm Pumps comply with the...

Page 22: ...ironments Applicable Standard EN13463 1 2001 EN13463 5 2003 DATE APPROVAL TITLE Manufacturer BINKS 195 International Blvd Glendale Heights IL 60139 AODD Pumps For Type Examination Designations see pag...

Page 23: ...pe Marking Listed In Type Certificate No Pumps KEMA 09ATEX0072 X BINKS Models 41 818810 41 818820 41 818822 41 818830 41 818823 41 818836 II 2 G c T5 II 3 2 G c T5 II 2 D c T100o C KEMA 09ATEX0072 X K...

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