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Sandpiper S20, Operating Manual

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Sandpiper S20 Operating Manual Download Page 24

s20mdl1sm-REV0708 

Model S20 Metallic Page 22

PILOT VALVE SERVICING 

To service the pilot valve fi rst shut 

off the compressed air supply, bleed 
the pressure from the pump, and 
disconnect the air supply line from the 
pump.

 

STEP #1:

 See pump assembly 

drawing.

Using a 1/2" wrench or socket, 

remove the four capscrews (item 11). 
Remove the air inlet cap (item 8) and 
air inlet gasket (item 21). The pilot valve 
assembly (item 4) can now be removed 
for inspection and service.

STEP #2:

 Disassembly of the pilot 

valve.

Remove the pilot valve spool (item 

4-D). Wipe clean and inspect  spool and 
o-rings for dirt, cuts or wear. Replace 
the o-rings and spool if necessary.

Remove the retaining ring (item 

4-F) from the end of the sleeve (item 
4-B) and remove the sleeve from the 
valve body (item 4-A). Wipe clean and 
inspect sleeve and o-rings for dirt, cuts 
or wear. Replace the o-rings and sleeve 
if necessary.

STEP #3:

 Re-assembly of the pilot 

valve.

Generously lubr icate outside 

diameter of the sleeve and o-rings. 
Then carefully insert sleeve into valve 
body. Take CAUTION when inserting 
sleeve, not to shear any o-rings. Install 
retaining ring to sleeve. Generously 
lubricate outside diameter of spool and 
o-rings. Then carefully insert spool into 
sleeve. Take CAUTION when inserting 
spool, not to shear any o-rings. Use 
BP-LS-EP-2 multipurpose grease, or 
equivalent. 

STEP #4:

 Re-install the pilot valve 

assembly into the intermediate.

Be careful to align the ends of the 

pilot valve stem between the plunger 
pins when inserting the pilot valve into 
the cavity of the intermediate.

Re-install the gasket, air inlet cap 

and capscrews. Connect the air supply 
to the pump. The pump is now ready 
for operation.

Pilot Valve Servicing, Assembly Drawing & Parts List

PILOT VALVE ASSEMBLY PARTS LIST

ITEM PART 

NUMBER  DESCRIPTION 

QTY

4 095-110-000  Pilot 

Valve 

Assembly 

1

4-A 095-095-157 

Valve 

Body 

1

4-B 

755-052-000 

Sleeve (With O-rings) 

1

4-C 560-033-360 

O-ring 

(Sleeve) 

6

4-D 

775-055-000 

Spool (With O-rings) 

1

4-E 560-023-360 

O-ring 

(Spool) 

3

4-F 675-037-080 

Retaining 

Ring 

1

FOR PUMPS WITH CAST IRON CENTER SECTION

ITEM PART 

NUMBER  DESCRIPTION 

QTY

4 095-110-558  Pilot 

Valve 

Assembly 

1

4-A 095-095-558 

Valve 

Body 

1

(includes all other items used on 095-110-000)

FOR PUMPS WITH STAINLESS STEEL CENTER SECTION

ITEM PART 

NUMBER  DESCRIPTION 

QTY

4 095-110-110  Pilot 

Valve 

Assembly 

1

4-A 095-095-110 

Valve 

Body 

1

(includes all other items used on 095-110-000)

Summary of Contents for S20

Page 1: ...15 Air Valve w Stroke Indicator Drawing Parts List Service Instructions 16 Air Valve Drawing Parts List Service Instructions Cast Iron Centers Only 17 Solenoid Shifted Air Valve Drawing 19 Solenoid Shifted Air Valve Parts List 19 Solenoid Shifted Air Valve Option 20 Diaphragm Service Drawing with Overlay 20 Diaphragm Service Drawing Non Overlay 20 Diaphragm Service Drawing with One Piece Bonded 20...

Page 2: ......

Page 3: ...tures FKM Fluorocarbon Shows good resistance to a wide range of oils and solvents especially all aliphatic aromatic and halogenated hydrocarbons acids animal and vegetable oils Hot water or hot aqueous solutions over 70 F will attack FKM Polypropylene UHMW Polyethylene Materials Maximum Minimum Quality System ISO9001 Certified Environmental Management System ISO14001 Certified Operating Temperatur...

Page 4: ...Sound Dampening Muffler 5 High temperature Air Valve w Mesh Muffler 6 Metal Muffler 7 Metal Muffler w Grounding Cable Pump Brand S SANDPIPER Pump Size 20 2 Check Valve Type B Ball Design Level 1 Design Level Wetted Material A Aluminum I Cast Iron S Stainless Steel H Alloy C Note See page 18 for Special Conditions For Safe Use Kit Options 00 None P0 10 30VDC Pulse Output Kit P1 Intrinsically Safe 5...

Page 5: ... 60 50 40 30 20 10 0 BAR PSI HEAD 1 2 3 4 5 6 7 0 30 20 25 10 15 5 9 1 6 7 6 3 4 5 1 5 NPSHR METERS FEET 40 PSI 2 72 Bar 20 PSI 1 36 Bar Air Inlet Pressure 60 PSI 4 08 Bar 80 PSI 5 44 Bar 100 PSI 6 8 Bar MODEL S20 Metallic Performance Curve Performance based on the following elastomer fitted pump flooded suction water at ambient conditions The use of other materials and varying hydraulic condition...

Page 6: ...iping Exhaust Air In Submerged Applications Air Inlet 3 4 NPT Dimensions in Inches Dimensional Tolerance 1 8 Both Suction And Discharge Ports Are Available With 2 BSP Connection Dimension A B C D E F Integral Muffler 12 19 32 12 19 32 Pulse Output Kit Aluminum 24 5 8 1 7 8 5 16 13 11 16 24 3 4 2 7 16 13 13 16 Stainless Steel Mesh Muffler 15 1 8 Sound Dampening Muffler 15 1 8 14 11 16 26 3 16 26 5 ...

Page 7: ... 2 NPT Suction Port 2 NPT Air Inlet 3 4 NPT Integral Muffler 1 NPT Exhaust Port For Optional Muffler Styles or Piping Exhaust Air In Submerged Applications Dimension A B C D E F Integral Muffler 320 320 Pulse Output Kit Aluminum 625 47 8 348 629 51 12 351 Stainless Steel Mesh Muffler 384 Sound Dampening Muffler 384 373 665 669 Metal Muffler Both Suction and Discharge Ports Are Available With 2 BSP...

Page 8: ...ration and strain to the pumping system A Warren Rupp Tranquilizer surge suppressor is recommended to further reduce pulsation in flow AIR SUPPLY Air supply pressure cannot exceed 125 psi 8 6 bar Connect the pump air inlet to an air supply of sufficient capacity and pressure required for desired performance When the air supply line is solid piping use a short length of flexible hose not less than ...

Page 9: ...he air exhaust should be piped to an area for safe disposition of the product being pumped in the event of a diaphragm failure TYPICAL INSTALLATION GUIDE For Metallic Pumps Air Inlet Line 1 2 3 4 TA2 or TA50 Tranquilizer 020 051 000 Filter Regulator 020 051 001 Lubricator Air Dryer ...

Page 10: ...ust muffler Corrective Action Remove muffler screen clean or de ice and reinstall Refer to the Air Exhaust section of your pump SERVICE MANUAL What to Check Pumped fluid in air exhaust muffler Corrective Action Disassemble pump chambers Inspect for diaphragm rupture or loose diaphragm plate assembly Refer to the Diaphragm Replacement section of your pump SERVICE MANUAL What to Check Suction side a...

Page 11: ... be certain all pressure is completely vented from the pump suction discharge piping and all other openings and connections Be certain the air supply is locked out or made non operational so that it cannot be started while work is being done on the pump Be certain that approved eye protection and protective clothing are worn all times in the vicinity of the pump Failure to follow these recommendat...

Page 12: ...cepted Nitrile 363 FKM Fluorocarbon Color coded YELLOW 364 E P D M Rubber Color coded BLUE 365 Neoprene Rubber Color coded GREEN 366 Food Grade Nitrile 368 Food Grade EPDM 370 Butyl Rubber Color coded BROWN 371 Philthane Tuftane 374 Carboxylated Nitrile 375 Fluorinated Nitrile 378 High Density Polypropylene 379 Conductive Nitrile 405 Cellulose Fibre 408 Cork and Neoprene 425 Compressed Fibre 426 B...

Page 13: ...s20mdl1sm REV0708 Model S20 Metallic Page 11 ...

Page 14: ... WET END KIT Neoprene Diaphragms PTFE Overlay PTFE Balls and PTFE Seats 476 042 364 WET END KIT EPDM Diaphragms Balls and Seats 476 042 654 WET END KIT Santoprene Diaphragm PTFE Overlays PTFE Balls PTFE Seats 476 042 659 WETTED END KIT One PIece Bonded PTFE Nitrile Diaphragm PTFE Balls PTFE Seats 475 216 000 MIDSECTION CONVERSION KIT Replaces Aluminum Midsection With Cast Iron Components Air Inlet...

Page 15: ...60 105 360 Gasket Inner Chamber 2 23 518 145 156 Manifold Suction 1 518 145 156E Manifold Suction 2 BSP Tapered 1 518 145 010 Manifold Suction 1 ITEM PART NUMBER DESCRIPTION QTY 518 145 010E Manifold Suction 2 BSP Tapered 1 518 145 110 Manifold Suction 1 518 145 110E Manifold Suction 2 BSP Tapered 1 24 518 146 156 Manifold Discharge 1 518 146 156E Manifold Discharge 2 BSP Tapered 1 518 146 010 Man...

Page 16: ... cap for damage or wear Replace the bumpers as needed Remove the bumpers items 1 C Inspect the bumpers for damage or wear Replace the bumpers as needed Remove the spool part of item 1 B from the sleeve Be careful not to scratch or damage the outer diameter of the spool Wipe spool with a soft cloth and inspect for scratches or wear Inspect the inner diameter of the sleeve part of item 1 B for dirt ...

Page 17: ... or wear Replace the o rings as needed Remove the bumpers items 1 C Inspect the bumpers for damage or wear Replace the bumpers as needed Remove the spool part of item 1 B from the sleeve Be careful not to scratch or damage the outer diameter of the spool Wipe spool with a soft cloth and inspect for scratches or wear Inspect the inner diameter of the sleeve part of item 1 B for dirt scratches or ot...

Page 18: ... or abrasion Replace if necessary Remove the spool part of item 1 A from the sleeve Be careful not to scratch or damage the outer diameter of the spool Wipe spool with a soft cloth and inspect for scratches or wear Inspect the inner diameter of the sleeve part of item 1 A for dirt scratches or other contaminants Remove the sleeve if needed and replace with a new sleeve and spool set item 1 A Step ...

Page 19: ...em 1 A from the sleeve Be careful not to scratch or damage the outer diameter of the spool Wipe spool with a soft cloth and inspect for scratches or wear Inspect the inner diameter of the sleeve part of item 1 A for dirt scratches or other contaminants 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 end cap item 1 E wi...

Page 20: ... For Explosion Proof Solenoid Coils used in the European Union 42 219 011 001 Solenoid Coil 12 VDC 3 3W 0 531A 0 014A 1 219 011 002 Solenoid Coil 24 VDC 3 3W 0 531A 0 014A 1 219 011 003 Solenoid Coil 110 120 VAC 3 4W 0 212A 0 015A 1 219 011 004 Solenoid Coil 220 240 VAC 3 4W 0 212A 0 015A 1 Note Item 43 Conduit Connector is not required Special Conditions For Safe Use A fuse corresponding to its r...

Page 21: ...pilot valve is normally utilized to cycle the pump s air distribution valve an electric solenoid is utilized As the solenoid is powered one of the pump s air chambers is pressurized while the other chamber is exhausted When electric power is turned off the solenoid shifts and the pressurized chamber is exhausted while the other chamber is pressurized By alternately applying and removing power to t...

Page 22: ...ng with Overlay AVAILABLE FOR FIELD CONVERSION FROM OVERLAY TO ONE PIECE BONDED DIAPHRAGM KITS Kit 475 253 000 2 286 118 000 One Piece Diaphragm 2 612 214 150 Inner Plates One Piece Bonded Diaphragm Service Drawing 34 26 26 13 15 6 30 18 16 31 14 10 37 25 25 37 10 14 37 25 25 37 29 13 25 34 26 15 6 28 18 17 ...

Page 23: ...end of the diaphragm rod item 34 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 the inner chamber item 15 Fasten the outer chamber item 14 to the pump using the capscrews item 9 and hex nuts On the opposite side of the pump pull the diaphragm rod out as far as possible Make sure the bumper item 6 is...

Page 24: ...ining ring to sleeve Generously lubricate outside diameter of spool and o rings Then carefully insert spool into sleeve Take CAUTION when inserting spool not to shear any o rings Use BP LS EP 2 multipurpose grease or equivalent STEP 4 Re install the pilot valve assembly into the intermediate Be careful to align the ends of the pilot valve stem between the plunger pins when inserting the pilot valv...

Page 25: ...f necessary Apply a light coating of grease to each o ring and re install the plungers in to the bushings Push the plungers in as far as they will go To remove the bushings item 7 first remove the retaining rings item 33 by using a flat screwdriver NOTE It is recommended that new retaining rings be installed Step 3 Re install the pilot valve assembly into the intermediate assembly Be careful to al...

Page 26: ...alve components can be seen Inspect the check balls items 2 for wear abrasion or cuts on the spherical surface The check valve seats item 36 should be inspected for cuts abrasive wear or embedded material on the surfaces of both the external and internal chambers The spherical surface of the check balls must seat flush to the surface of the check valve seats for the pump to operate to peak efficie...

Page 27: ...irectly into the Air Valve body This muffler is equipped with a porous plastic element OPTION 2 530 010 000 Mesh Muffler screws directly into the Air Valve Body This muffler is equipped with a metal element OPTION 6 530 033 000 Metal Muffler screws directly into the Air Body Option 1 and 2 Option 6 Option 0 ATEX Compliant Note Cannot be used with Air Valve Assembly 031 179 000 used on models equip...

Page 28: ...r Reducing 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 source to prevent siphoning spills See illustration 3 at right CONVERTING THE PUMP FOR PIPING THE EXHAUST AIR The following steps are necessary to convert the pump to pipe the exhaust air awa...

Page 29: ...troke Counter Batch Controller or user control devices such as a PLC The Pulse Output Kits mount directly onto the Muffler Cap on the Air Distribution Valve Assembly or onto the air valve and senses each stroke of the main spool Consult the factory for further information and availability Pulse Output Kit Drawing Pulse Output Kits 475 244 001 10 30 VDC 475 244 002 110 220 VAC 475 244 003 10 30VDC ...

Page 30: ...on and the type of equipment required Grounding The Pump Take action to prevent static sparking Fire or explosion can result especially when handling flammable liquids The pump piping valves containers or other miscellaneous equipment must be grounded WARNING One eyelet is installed to a true earth ground Requires a 5 16 or 8mm maximum diameter bolt One eyelet is fastened to the pump hardware To b...

Page 31: ...ansfield Ohio certifies that Air Operated Double Diaphragm Pumps Series HDB HDF M Non Metallic S Non Metallic M Metallic S Metallic Containment Duty Gas UL High Pressure W Submersible and Tranquilizers comply with the European Community Directive 98 37 EC Safety of Machinery This product has used EN 809 Pumps and Pump Units for Liquids Common Safety Requirements harmonized standard to verify confo...

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