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Dover PSG Wilden PRO-FLO P2, Engineering, Operation & Maintenance

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

 

WIL-10150-E-11

 

Wilden

® 

16 

 

Disassembly / Reassembly

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 

 

 

 

Step 7

 

 

With a 1/2" box wrench, loosen the large clamp bands that 
secure the liquid chambers to the center section. 

Step 8

 

 

Rotate the clamp bands so that they can be removed. 

 

 

 
 

 
 
 

 
 
 

 
 

 
 
 

 
 
 

 
 
 

 

Step 9

 

 

After clamp bands are removed, pull liquid chambers apart. 

 

 

 

 

 

Step 10

 

 

Remove tee section from liquid chamber and inspect O-rings for 
signs of wear. Replace worn parts with genuine Wilden parts for 
reliable performance. 

 

 

 

 

Summary of Contents for PSG Wilden PRO-FLO P2

Page 1: ...EOM ENGINEERING OPERATION MAINTENANCE P2 Clamped Plastic Pump WIL 10150 E 11 Where InnovationFlows ...

Page 2: ...P2 Plastic Reduced Stroke PTFE Fitted 9 P2 Plastic Full Stroke PTFE Fitted 9 Suction Lift Curves 10 Section 6 Suggested Installation Operation 11 Maintenance and Troubleshooting Section 7 Disassembly Reassembly 14 Pump Disassembly 14 Air Valve Center Section Disassembly 18 Reassembly Hints Tips 18 Gasket Kit Installation 21 Section 8 Exploded View and Parts List 20 P2 Plastic Full Stroke Diaphragm...

Page 3: ...lifornia 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 registered and unregistered trademarks of their respective owners Nothing contained in this document should be construed as granting any license or right to use any trademark without the prior written perm...

Page 4: ... not exceed 8 6 bar 125 psig air supply pressure CAUTION P2 pumps are made of virgin plastic and are not UV stabilized Direct sunlight for prolonged periods can cause deterioration of plastics 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 pump Disconnect all intake discharge and air lines ...

Page 5: ... with all material options Hytrel is a registered trademark of DuPont Dow Elastomers P2 PLASTIC 25 mm 1 Pump Maximum Flow Rate 140 lpm 37 gpm Section 2 W I L D E N P U M P D E S I G N A T I O N S Y S T E M SPECIALTY CODES 0100 Wil Gard II 110V 0420 P2 plastic Wil Gard II 110V 0563 Split manifold discharge ONLY 0102 Wil Gard II sensor wires ONLY 0423 P2 plastic PFA coated hardware 0564 Split manifo...

Page 6: ...chamber 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 the pump discharge The movement of diaphragm A toward the center block of the pump creates a vacuum within liquid chamber A Atmospheric pressure forces fluid into the inlet manifold of the pump The inl...

Page 7: ...9 B 76 3 0 C 180 7 1 D 249 9 8 E 333 13 1 F 81 3 2 G 107 4 2 H 124 4 9 J 292 11 5 K 180 7 1 L 152 6 0 M 122 4 8 N 114 4 5 P 137 5 4 R 10 0 4 DIN S 84 DIA 3 3 DIA T 114 DIA 4 5 DIA U 15 DIA 0 6 DIA ANSI S 79 DIA 3 1 DIA T 109 DIA 4 3 DIA U 15 DIA 0 6 DIA DIMENSIONAL DRAWING LW0062 Rev A ...

Page 8: ...umps should be specified so that daily operation parameters will fall in the center of the pump s performance curve P2 PLASTIC TPE FITTED Ship Weight Polypropylene 8 kg 18 lb PVDF 10 kg 23 lb Air Inlet 6 mm 1 4 Inlet 25 mm 1 Outlet 25 mm 1 Suction Lift 5 5 m Dry 18 0 8 8 m Wet 29 0 Disp Per Stroke1 0 39 L 0 104 gal Max Flow Rate 140 lpm 37 gpm Max Size Solids 3 2 mm 1 8 1 Displacement per stroke w...

Page 9: ...nd performance pumps should be specified so that daily operation parameters will fall in the center of the pump s performance curve P2 PLASTIC FULL STROKE PTFE FITTED Ship Weight Polypropylene 8 kg 18 lb PVDF 10 kg 23 lb Air Inlet 6 mm 1 4 Inlet 25 mm 1 Outlet 25 mm 1 Suction Lift 4 1m Dry 13 6 8 6 m Wet 28 4 Disp Per Stroke1 0 6 L 0 15 gal Max Flow Rate 139 lpm 36 8 gpm Max Size Solids 6 4 mm 1 4...

Page 10: ...g at 305 m 1 000 above sea level This chart is meant to be a guide only There are many variables which can affect your pump s operating characteristics The number of intake and discharge elbows viscosity of pumping fluid elevation atmospheric pressure and pipe friction loss all affect the amount of suction lift your pump will attain ...

Page 11: ...lacement per stroke Muffler Sound levels are reduced below OSHA specifications using the standard Wilden muffler Other mufflers can be used to further reduce sound levels but they usually reduce pump performance Elevation Selecting a site that is well within the pump s dynamic lift capability will assure that loss of prime issues will be eliminated In addition pump efficiency can be adversely affe...

Page 12: ...rottling the pump discharge by partially closing a valve in the discharge line of the pump This action increases friction loss which reduces flow rate See Section 5 This is useful when the need exists to control the pump from a remote location When the pump discharge pressure equals or exceeds the air supply pressure the pump will stop no bypass or pressure relief valve is needed and pump damage w...

Page 13: ...ol to be unable toshift 7 Remove plug from pilot spoolexhaust Pump runs but little or no product flows 1 Check for pump cavitation slow pump speed down to allow thick material to flow into liquid chambers 2 Verify that vacuum required to lift liquid is not greater than the vapor pressure of the material being pumped cavitation 3 Checkforstickingballcheckvalves Ifmaterialbeing pumped is not compati...

Page 14: ...m 37 gpm The wetted path comes in both PVDF and polypropylene The single piece center section consisting of center block and air chambers is molded of polypropylene or acetal The air valve body is manufactured of acetal or polypropylene All o rings used in the pump are of a special material and shore hardness that should only be replaced with factory supplied parts PLEASE read all directions befor...

Page 15: ...id chamber and inspect for nicks gouges chemical attack or abrasive wear Replace worn parts with genuine Wilden parts for reliable performance Step 5 Using a 1 2 socket driver loosen the bottom retainers Step 6 Remove the bottom liquid retainer and retainer O rings discharge valve balls seats and valve seat O rings from the liquid chamber and inspect for nicks gouges chemical attack or abrasive we...

Page 16: ... the liquid chambers to the center section Step 8 Rotate the clamp bands so that they can be removed Step 9 After clamp bands are removed pull liquid chambers apart Step 10 Remove tee section from liquid chamber and inspect O rings for signs of wear Replace worn parts with genuine Wilden parts for reliable performance ...

Page 17: ...haft with soft jaws a vise fitted with plywood or other suitable material to ensure shaft is not nicked scratched or gouged Using an adjustable wrench remove diaphragm assembly from shaft Inspect all parts for wear and replace with genuine Wilden parts if necessary Step 13 Inspect diaphragms outer and inner pistons and disc spring not shown for signs of wear Replace with genuine Wilden parts if ne...

Page 18: ...es a revolutionary Pro Flo air distribution system A 6 mm 1 4 air inlet connects the air supply to the center section Proprietary composite seals reduce the coefficient of friction and allow the P2 to run lube free Constructed of acetal or polypropylene the Pro Flo air distribution system is designed to perform in on off non freezing non stalling tough duty applications NOTE Replace worn parts wit...

Page 19: ...ls should not be removed from assembly Seals are not sold separately Step 6 Remove pilot spool sleeve retaining snap ring on both sides of center section with snap ring pliers Step 7 Remove pilot spool sleeve from center section Step 8 With O ring pick gently remove pilot spool retaining O ring Replace if necessary Gently remove pilot spool from sleeve and inspect spool and seals for nicks gouges ...

Page 20: ...of the center section shaft bore to ensure no damage is done to new seals Stainless bolts should be lubed to reduce the possibility of seizing during tightening Be sure to tighten outer pistons simultaneously on PTFE fitted pumps to ensure proper torque values Apply two 2 drops of Loctite 246 to the shaft internal threads before the diaphragm assembly Concave side of disc spring in diaphragm assem...

Page 21: ...ive sealing characteristics Step 1 Gently remove the adhesive covering from the back of the PTFE tape Ensure that the adhesive strip remains attached to the PTFE tape Step 2 Starting at any point place the PTFE tape in the center of the diaphragm bead groove on the liquid chamber and press lightly on the tape to ensure that the adhesive holds it in place during assembly Do not stretch the tape dur...

Page 22: ...WIL 10150 E 11 Wilden 22 Exploded View and Parts Listing P2 PLASTIC FULL STROKE DIAPHRAGM FITTED EXPLODED VIEW Section 8 ...

Page 23: ...810 03 02 3810 03 16 Disc Spring Belleville Washer 2 02 6802 08 02 6802 08 02 6802 08 02 6802 08 17 Inner Piston 2 02 3701 01 02 3701 01 02 3701 01 02 3701 01 18 Outer Piston 2 02 4550 21 500 02 4550 21 500 02 4550 21 500 02 4550 21 500 19 Liquid Chamber 2 02 5001 20 400 02 5001 20 400 02 5001 21 400 02 5001 21 400 20 Manifold Tee Section 2 02 5160 20 400 02 5160 20 400 02 5160 21 400 02 5160 21 4...

Page 24: ...WIL 10150 E 11 Wilden 24 Exploded View and Parts Listing P2 PLASTIC REDUCED STROKE DIAPHRAGM FITTED EXPLODED VIEW ...

Page 25: ...17 Inner Piston 2 02 3751 01 02 3751 01 02 3751 01 02 3751 01 18 Outer Piston 2 02 4600 21 500 02 4600 21 500 02 4600 21 500 02 4600 21 500 19 Liquid Chamber 2 02 5001 20 400 02 5001 20 400 02 5001 21 400 02 5001 21 400 20 Manifold Tee Section 2 02 5160 20 400 02 5160 20 400 02 5160 21 400 02 5160 21 400 21 Top Retainer 2 02 5411 20 400 02 5411 20 400 02 5411 21 400 02 5411 21 400 22 Bottom Retain...

Page 26: ...300 60 400 02 1220 60 02 1230 60 Neoprene 02 1010 51 02 1060 51 N A 02 1080 51 N A N A N A N A FKM 02 1010 53 N A N A 02 1080 53 N A N A N A N A EPDM 02 1010 54 N A N A 02 1080 54 N A N A N A N A PTFE 02 1010 55 N A N A 02 1080 55 N A N A N A N A Full Stroke PTFE 02 1040 55 N A N A 02 1080 55 N A N A N A 02 1045 57 Tetra FlexTM PTFE NeopreneBacked 02 1010 64 N A N A N A N A N A N A N A Tetra FlexT...

Page 27: ...WIL 10150 E 11 Wilden Notes ...

Page 28: ...d 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 modify the information and illustrations contained in this document without prior notice This is a non contractual document 05 2018 ...

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