PSG Dover WILDEN PRO-FLO P2 Engineering, Operation & Maintenance Download Page 16

 

 

WIL-10181-E-07

 

Wilden

®

 

16 

Disassembly / Reassembly 

 

Air Valve / Center Section Disassembly 

Tools Required: 

 

 

3/16" Hex Head Wrench 

 

7/32" Hex Head Wrench 

 

Snap-Ring Pliers 

 

O-Ring Pick 

CAUTION: 

Before any maintenance or repair is attempted, the compressed air line to the pump should 

be disconnected and all air pressure allowed to bleed from the pump. Disconnect all intake, discharge 
and air lines. Drain the pump by turning it upside down and allowing any fluid to flow into a suitable 
container. Be aware of any hazardous effects of contact with your process fluid. 

 

 
 

 
 

 
 
 

 
 
 

 
 

 
 
 

 
 
 

 
 

 
 
 

 

 

Step 1

 

Using a 3/16” hex head wrench, loosen 

the air valve bolts.

 

Step 2

 

Remove the air valve and muffler 

plate from the center section.

 

Step 3

 

Remove air valve end cap to expose air 

valve spool.  

NOTE: 

The end cap cannot  

be removed until removing air  

valve bolts.

 

 

Summary of Contents for WILDEN PRO-FLO P2

Page 1: ...EOM ENGINEERING OPERATION MAINTENANCE P2 Clamped Metal Pump WIL 10181 E 07 Where InnovationFlows Bar code...

Page 2: ...TPE Fitted 8 P2 Reduced Stroke PTFE Fitted 9 P2 Full Stroke PTFE Fitted 9 Suction Lift Curves 10 Section 6 Suggested Installation Operation 11 Maintenance and Troubleshooting Section 7 Disassembly Re...

Page 3: ...ifornia LLC Wil Flex is a trademark of PSG California LLC Saniflex is a trademark of PSG California LLC All trademarks names logos and service marks collectively trademarks in this document are regist...

Page 4: ...mical Resistance Guide E4 for chemical compatibility and temperature limits CAUTION Prevention of static sparking If static sparking occurs fire or explosion could result Pump valves and containers mu...

Page 5: ...ite Dot WF WIL FLEX Orange Dot VALVE SEATS A ALUMINUM S STAINLESS STEEL VALVE SEAT O RINGS BN BUNA N Red Dot EP EPDM FS SANIFLEX Hytrel Cream 1 3 NE NEOPRENE PU POLYURETHANE Clear TF PTFE White 1 2 3...

Page 6: ...hamber and mani fold of the pump These same hydraulic forces lift the discharge valve ball off its seat while the opposite discharge valve ball is forced onto its seat forcing fluid to flow through th...

Page 7: ...F 28 1 1 G 81 3 2 H 124 4 9 J 163 6 4 K 302 11 9 L 203 8 0 M 173 6 8 N 104 4 1 P 127 5 0 R 28 1 1 S 10 0 4 REV A DIMENSIONS ITEM METRIC mm STANDARD inch A 274 10 8 B 38 1 5 C 163 6 4 D 254 10 0 E 284...

Page 8: ...mps should be specified so that daily operation parameters will fall in the center of the pump s performance curve P2 METAL TPE FITTED ShipWeight Aluminum 9 kg 20 lb Stainless Steel 17 kg 37 lb Air In...

Page 9: ...ce pumps should be specified so that daily operation parameters will fall in the center of the pump s performance curve P2 METAL FULL STROKE PTFE FITTED ShipWeight Aluminum 9 kg 20 lb Stainless Steel...

Page 10: ...at 305 m 1 000 above sea level This chart is meant to be a guide only There are many variables that can affect your pump s operating characteristics The number of intake and discharge elbows viscosit...

Page 11: ...ing volume by counting the number of strokes per minute and then multiplying that figure by the displacement per stroke Muffler Using the standard Wilden muffler sound levels are reduced below OSHA sp...

Page 12: ...Anair regulator isusedto regulate air pressure A needle valve is used to regulate volume Pump discharge rate also can be controlled by throttling the pump discharge by partially closing a valve in th...

Page 13: ...7 Check for any broken inner piston that would cause the air valve spool to be unable to shift Pump runs but little or no product flows 1 Check for pumpcavitation Slowpumpspeeddownto allow thick mater...

Page 14: ...allowing any fluid to flow into a suitable container Be aware of any hazardous effects of contact with your process fluid NOTE The model photographed for these instructions is a Pro Flo version and in...

Page 15: ...Step 7 Using a 1 2 box end wrench remove the large clamp bands With the clamp bands removed lift the liquid chamber away from the center section Step 8 Using an 3 4 wrench or rotating the diaphragm b...

Page 16: ...e allowed to bleed from the pump Disconnect all intake discharge and air lines Drain the pump by turning it upside down and allowing any fluid to flow into a suitable container Be aware of any hazardo...

Page 17: ...ool retaining snap ring on both sides of center section with snap ring pliers Step 6 Remove pilot spool assembly from center section Step 7 Using an O ring pick gently remove the pilot spool retaining...

Page 18: ...sibility of seizing during tightening Level the water chamber side of the intake discharge manifold to ensure a proper sealing surface This is most easily accomplished by placing them on a flat surfac...

Page 19: ...h greater ease 5 With the seal clamped in the pliers insert the seal into the bushing bore and position the bottom of the seal into the correct groove When the bottom of the seal is seated in the groo...

Page 20: ...WIL 10181 E 07 Wilden 20 EXPLODED VIEW AND PARTS LISTING P2 METAL RUBBER TPE FITTED EXPLODED VIEW Section 8...

Page 21: ...02 5088 03 70P 22 Bolt RHSN 3 8 16 X 8 1 2 4 02 6080 08 02 6080 03 02 6080 03 02 6080 08 02 6080 03 02 6080 03 23 Manifold Discharge NPT 1 02 5024 01 02 5024 03 N A 02 5024 01 02 5024 03 N A Manifold...

Page 22: ...WIL 10181 E 07 Wilden 22 EXPLODED VIEW AND PARTS LISTING P2 METAL SANIFLO 1935 2004 EC EXPLODED VIEW...

Page 23: ...6661 10 08 6661 10 22 RHSN Bolt Liquid Chamber 3 8 16 X 8 1 2 4 02 6080 03 02 6080 03 23 Washer Flat 392 X 875 X 062 4 08 6720 07 70 08 6720 07 70 24 Wing Nut 3 8 16 4 08 6671 10 08 6671 10 Valve Bal...

Page 24: ...2 1040 55 white N A N A 02 1080 55 white N A 02 1200 55 white Saniflex 02 1010 56 cream 02 1060 56 cream 02 1065 56 cream 02 1080 56 cream N A 02 1200 56 cream Food Grade Wil Flex 02 1010 57 2 orange...

Page 25: ...WIL 10181 E 07 Wilden...

Page 26: ...WIL 10181 E 07 Wilden Notes...

Page 27: ...WIL 10181 E 07 Wilden Notes...

Page 28: ...Terrace CA 92313 5651 USA P 1 909 422 1730 F 1 909 783 3440 psgdover com Where Innovation Flows PSG reserves the right to modifythe information and illustrations contained in this document without pr...

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