Wilden PR460 Maintenance Manual Download Page 5

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WIL-11730-E-01

PR460 Bolted Metal

SECTION 2

MATERIAL CODES

MODEL

XPR460 = PRO-FLO

R ATEX

THREADED PORTS

PR460 = PRO-FLO

THREADED PORTS

WETTED PATH

A = ALUMINUM
S = STAINLESS STEEL

OUTER PISTON

A = ALUMINUM
S = STAINLESS STEEL

AIR CHAMBER

A = ALUMINUM

CENTER BLOCK

A = ALUMINUM

AIR VALVE

A = ALUMINUM

DIAPHRAGMS

BNS = BUNA-N (RED DOT)

EPS = EPDM
NES = NEOPRENE (GREEN DOT)

TNU = PTFE w/NEOPRENE

BACKUP

TWS = FULL-STROKE PTFE

W/WIL-

FLEX™ BACK

-UP

VTS = FKM (WHITE DOT)
ZWS = WIL-

FLEX™ EZ

-INSTALL

[SANTOPRENE

(THREE

BLACK DOTS)]

VALVE BALLS

BN = BUNA-N (RED DOT)
EP = EPDM

NE = NEOPRENE (GREEN DOT)
TF = PTFE (WHITE)

VT = FKM (WHITE DOT)
WF = WIL-

FLEX™ [SANTOPRENE

(THREE BLACK DOTS)]

VALVE SEATS

A = ALUMINUM

S = STAINLESS STEEL
BN = BUNA-N

EP = EPDM
NE = NEOPRENE

VT = FKM (WHITE DOT)
WF = WIL-

FLEX™ [SANTOPRENE

(THREE BLACK DOTS)]

VALVE SEAT O-RINGS

TF = PTFE (WHITE)

SPECIALTY CODES

0014 BSPT

NOTE:

Most elastomeric materials use colored dots for identification

NOTE:

Not all models are available with all material options

PR460 METAL

LEGEND XPR 460 / X

X / X X X / X X / X X X / X X X X

38.1 mm (1.5") Pump

Maximum Flow Rate:
341 lpm (90 gpm)

O-RINGS

MODEL VALVE SEATS SPECIALTY

VALVE BALLS

CODE

DIAPHRAGMS

AIR VALVE

CENTER BLOCK

AIR CHAMBER

OUTER PISTON

WETTED PATHS

WILDEN PUMP DESIGNATION SYSTEM

(if applicable)

Summary of Contents for PR460

Page 1: ...WIL 11730 E 01 Where InnovationFlows EOM ENGINEERING OPERATION MAINTENANCE MANUAL PR460 Bolted Metal Pump ...

Page 2: ...California 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 pe...

Page 3: ...Rubber Fitted 8 PR460 Metal EZ Install TPE Fitted 8 PR460 Metal Full Stroke PTFE Fitted 9 PR460 Metal Reduced Stroke PTFE Fitted 9 Suction Lift Capability 10 SECTION 6 Suggested Installation Operation Maintenance and Troubleshooting 11 SECTION 7 Disassembly Reassembly 14 Pump Disassembly 14 Air Valve Disassembly 17 Reassembly Hints and Tips 20 SECTION 8 Exploded View and Parts List 22 SECTION 9 El...

Page 4: ...hemical compatibility and temperature limits CAUTION All Wilden pumps are capable of passing solids Use a strainer on the pump intake to ensure that the pump s rated solids capacity is not exceeded CAUTION Do not exceed 8 6 bar 125 psi air supply pressure CAUTION Do not exceed 82 C 180 F air inlet temperature for all models CAUTION The process fluid and cleaning fluids must be compatible chemicall...

Page 5: ...N RED DOT EP EPDM NE NEOPRENE GREEN DOT TF PTFE WHITE VT FKM WHITE DOT WF WIL FLEX SANTOPRENE THREE BLACK DOTS VALVE SEATS A ALUMINUM S STAINLESS STEEL BN BUNA N EP EPDM NE NEOPRENE VT FKM WHITE DOT WF WIL FLEX SANTOPRENE THREE BLACK DOTS VALVE SEAT O RINGS TF PTFE WHITE SPECIALTY CODES 0014 BSPT NOTE Most elastomeric materials use colored dots for identification NOTE Not all models are available ...

Page 6: ...r and manifold 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 of the pump creates a vacuum within liquid chamber A Atmospheric pressure forces fluid into the inlet manifold of the pump The inlet valve ball...

Page 7: ... 0 J 132 5 2 K 517 20 4 L 276 10 9 M 210 8 3 N 165 6 5 P 152 6 0 R 178 7 0 S 11 0 4 TJPR460 01 Rev A PR460 STAINLESS STEEL DIMENSIONS ITEM METRIC mm STANDARD inch A 317 12 5 B 71 2 75 C 269 10 6 D 467 18 375 E 503 19 8 F 38 1 5 G 48 1 9 H 178 7 0 J 132 5 2 K 518 20 4 L 274 10 8 M 211 8 3 N 165 6 5 P 152 6 0 R 178 7 0 S 11 0 4 TJPR460 02 Rev A DIMENSIONAL DRAWING DIMENSIONAL DRAWING ...

Page 8: ...l in the center of the pump s performance curve Caution Do not exceed 8 6 bar 125 psi air supply pressure PR460 METAL REDUCED STROKE PTFE FITTED ShipWeight Aluminum17 8kg 39 2lb 316 Stainless Steel 28 8kg 63 4 lb Air Inlet 3 4 Inlet 38 mm 1 5 Outlet 38 mm 1 5 Suction Lift 2 5 m Dry 8 2 9 m Wet 29 5 Disp per Stroke1 0 56 L 0 15 gal Max Flow Rate 337lpm 89 gpm Max Size Solids 4 8mm 3 16 1Displacemen...

Page 9: ...ll in the center of the pump s performance curve Caution Do not exceed 8 6 bar 125 psi air supply pressure PR460 FULL STROKE PTFE FITTED ShipWeight Aluminum17 8kg 39 2lb 316 Stainless Steel 28 8kg 63 4 lb Air Inlet 3 4 Inlet 38 mm 1 5 Outlet 38 mm 1 5 Suction Lift 6 2m Dry 20 3 9 m Wet 29 5 Disp per Stroke1 1 0 L 0 27 gal Max Flow Rate 360 lpm 95 gpm Max Size Solids 4 8mm 3 16 1Displacement per st...

Page 10: ...0 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 viscosity of pumping fluid elevation atmospheric pressure and pipe friction loss all affect the amount of suction lift your pump will attain SUCTION LIFT CAPABILITY ...

Page 11: ...e and then multiplying that figure by the displacement per stroke Muffler Using the standard Wilden muffler sound levels are reduced below OSHA specifications You can use other mufflers to reduce sound levels farther 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 ...

Page 12: ...o regulate volume Pump discharge rate also can be controlled by throttling the pump discharge by partially closing a valve in the discharge line of the pump This action increases friction loss which reduces flow rate Refer to Performance 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...

Page 13: ...le 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 Check for sticking ball check valves a If material being pumped is not compatible with pump elastomers swelling may occur Replace ball check valves a...

Page 14: ... into a suitable container Be aware of any hazardous effects of contact with your process fluid NOTE Your specific pump model may vary from the configuration shown however pump disassembly procedure will be the same NOTE Replace worn parts with genuine Wilden parts for reliable performance Step 1 Step 2 Step 3 Before starting disassembly mark a line from each liquid chamber to its corresponding ai...

Page 15: ...e removal of inlet manifold Remove the inlet manifold and Inspect ball cage area of manifold for excessive wear or damage Step 7 Step 8 Step 9 Remove the inlet valve balls and valve seats from the inlet manifold and liquid chambers and inspect for nicks gouges chemical attack or abrasive wear Replace worn parts with genuine Wilden parts for reliable performance Remove the hardware attached to liqu...

Page 16: ...e outer piston the diaphragm assembly can be disassembled To remove the diaphragm assembly from shaft secure shaft with soft jaws aluminum plastic or plywood to ensure the shaft is not damaged Using an adjustable wrench remove the diaphragm assembly from the shaft DISASSEMBLY ASSEMBLY ...

Page 17: ...rain 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 NOTE Replace worn parts with genuine Wilden parts for reliable performance Step 1 Step 2 Step 3 Loosen the air valve bolts utilizing a 5 mm 3 16 Allen wrench Remove muffler plate and air valve bolts from air valve assembly exposing mu...

Page 18: ...ved from assembly Seals are not sold separately Remove pilot spool sleeve retaining snap ring on both sides of center section with snap ring pliers Step 7 Step 8 Remove pilot spool sleeve from center section With O ring pick gently remove the O ring from the opposite side of the center hole cut on the spool Gently remove the pilot spool from sleeve and inspect for nicks gouges or other signs of we...

Page 19: ...y process Lubricate the air valve bore center section shaft and pilot spool bore with NLGI grade 2 white EP bearing grease or equivalent Clean the inside of the center section shaft bore to ensure no damage is done to new shaft seals A small amount of NLGI grade 2 white EP bearing grease can be applied to the muffler and air valve gaskets to lubricate gaskets during assembly Make sure that the exh...

Page 20: ... With the seal clamped in the pliers insert the seal into the busing bore and position the bottom of the seal into the correct groove When the bottom of the seal is seated in the groove release the clamp pressure on the pliers This will allow the seal to partially snap back to its original shape 6 After removing the pliers you will notice a slight bump in the seal shape Before the seal can be resi...

Page 21: ...WIL 11730 E 01 21 PR460 Bolted Metal SECTION 8 PR460 TJPR460 03 Rev A ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN REPAIR KITS EXPLODED VIEW AND PARTS LIST EXPLODED VIEW AND PARTS LIST ...

Page 22: ... COMPONENTS 19 Liquid Chamber Bolted 2 04 5017 01 04 5017 03 20 Manifold Discharge NPT 1 04 5072 01 04 5072 03 Manifold Discharge BSPT 1 04 5073 01 04 5073 03 21 Manifold Inlet NPT 1 04 5102 01 04 5102 03 Manifold Inlet BSPT 1 04 5103 01 04 5103 03 22 Washer Flat Ø 406 x Ø 812 x 065 24 15 6740 08 50 04 6740 03 23 Screw HHC 3 8 16 x 1 8 08 6130 08 08 6130 03 24 Screw HHC 3 8 16 x 1 1 4 16 04 6140 0...

Page 23: ...1010 52 N A N A N A 04 1080 52 04 1147 52 FKM 04 1010 53 N A N A N A 04 1080 53 04 1147 53 EPDM 04 1010 54 N A 04 1060 54 N A 04 1080 54 04 1147 54 PTFE 04 1010 55 42 N A N A N A 04 1080 55 N A Wil Flex 04 1022 58 N A N A N A 04 1080 58 04 1147 58 FDA Wil Flex N A N A N A 04 1065 57 N A N A Stainless Steel N A N A N A N A N A 04 1121 03 Aluminum N A N A N A N A N A 04 1147 01 TJPR460 04 Rev A Back...

Page 24: ... 86 400 600 4026 PSG China psgdover com www psgdover com cn Copyright 2022 PSG a Dover Company PSG reserves the right to modify the information and illustrations contained in this document without prior notice This is a non contractual document WIL 11730 E 01 Where InnovationFlows ...

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