Wilden PRO-FLO P8 Engineering Operation & Maintenance Manual Download Page 7

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WIL-10187-E-05

P8 Clamped Plastic

SECTION 4

P8 PLASTIC

DIMENSIONS

ITEM

METRIC

(mm)

STANDARD

(inch)

490

19.3

3.0

414

16.3

693

27.3

770

30.3

3.5

417

16.4

333

13.1

381

15.0

307

12.1

227

8.9

254

10.0

0.6

METRIC (mm)

STANDARD (inch)

122 DIA.

4.8 DIA.

152 DIA.

6.0 DIA.

20 DIA.

0.8 DIA.

LW0396 REV. A

DIMENSIONAL DRAWING

Summary of Contents for PRO-FLO P8

Page 1: ...WIL 10187 E 05 Where InnovationFlows EOM ENGINEERING OPERATION MAINTENANCE MANUAL P8 Clamped Plastic Pump...

Page 2: ...alifornia 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 regi...

Page 3: ...ic TPE Fitted 8 P8 Plastic Reduced Stroke PTFE Fitted 9 P8 Plastic Full Stroke PTFE Fitted 9 P8 Plastic Ultra Flex Fitted 10 Suction Lift Capability 11 SECTION 6 Suggested Installation Operation Maint...

Page 4: ...the pump s rated solids capacity is not exceeded CAUTION Do not exceed 8 6 bar 125 psig air supply pressure CAUTION The process fluid and cleaning fluids must be chemically compatible with all wetted...

Page 5: ...E BLACK DOTS VALVE SEATS K PVDF P POLYPROPYLENE O RINGS BN BUNA N RED DOT PU POLYURETHANE BROWN TV PTFE ENCAP FKM WF WIL FLEX SANTOPRENE SPECIALTY CODES 0100 Wil Gard II 110V 0102 Wil Gard II sensor w...

Page 6: ...d 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 dis...

Page 7: ...M METRIC mm STANDARD inch A 490 19 3 B 76 3 0 C 414 16 3 D 693 27 3 E 770 30 3 F 89 3 5 G 417 16 4 H 333 13 1 J 381 15 0 K 307 12 1 L 227 8 9 M 254 10 0 N 15 0 6 METRIC mm STANDARD inch P 122 DIA 4 8...

Page 8: ...all in the center of the pump s performance curve Caution Do not exceed 8 6 bar 125 psig air supply pressure P8 PLASTIC TPE FITTED Ship Weights Polypropylene 34 kg 75 lb PVDF 43 kg 95 lb Air Inlet 13...

Page 9: ...rs will fall in the center of the pump s performance curve Caution Do not exceed 8 6 bar 125 psig air supply pressure P8 PLASTIC FULL STROKE PTFE FITTED Ship Weights Polypropylene 34 kg 75 lb PVDF 43...

Page 10: ...stroke was calculated at 4 8 bar 70 psig air inlet pressure against a 2 1 bar 30 psig head pressure Example To pump 257 lpm 68 gpm against a discharge pressure head of 2 0 bar 30 psig requires 4 1 ba...

Page 11: ...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 viscosity of pumpi...

Page 12: ...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 specifications You can use other muffle...

Page 13: ...d to 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 whic...

Page 14: ...e unable to shift 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 l...

Page 15: ...model may vary from the configuration shown however pump disassembly procedure will be the same NOTE The model used for these instructions incorporates rubber diaphragms balls and seats Models with P...

Page 16: ...pump will facilitate removal of inlet manifold Lift liquid chambers and center section from intake manifold to expose intake valve balls and seats Inspect ball cage area of liquid chamber for excessi...

Page 17: ...the shaft and the entire assembly can be removed from the center section Figure 12 2 The outer piston diaphragm and inner piston separate from the shaft which remains connected to the opposite side d...

Page 18: ...uired 3 16 Hex Head Wrench 1 4 Hex Head Wrench Snap Ring Pliers O Ring Pick CAUTION Before attempting any maintenance or repair disconnect the compressed air line to the pump and allow all air pressur...

Page 19: ...center section with snap ring pliers NOTE Seals should not be removed from assembly Seals are not sold separately Remove pilot spool retaining snap ring on both sides of center section with snap ring...

Page 20: ...ry During re assembly never insert the pilot spool into the sleeve with the notched end first this end incorporates the urethane O ring and will be damaged as it slides over the ports cut in the sleev...

Page 21: ...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 locate gaskets during assembly Make sure that the ex...

Page 22: ...ith 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 clam...

Page 23: ...dhesive covering from the back of the PTFE tape Ensure that the adhesive strip remains attached to the PTFE tape Starting at any point place the PTFE tape in the center of the diaphragm bead groove on...

Page 24: ...WIL 10187 E 05 24 P8 Clamped Plastic SECTION 8 P8 FULL STROKE DIAPHRAGM FITTED EXPLODED VIEW AND PARTS LIST ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN REPAIR KITS...

Page 25: ...Diaphragm 2 22 Outer Piston 2 08 4550 21 500 08 4550 21 500 23 Manifold Tee Section 2 08 5160 20 08 5160 20 24 Small Clamp Band Assy 4 08 7100 03 500 08 7100 05 500 25 Small HHC Screw 5 16 18 x 2 8 0...

Page 26: ...WIL 10187 E 05 26 P8 Clamped Plastic P8 PLASTIC REDUCED STROKE EXPLODED VIEW AND PARTS LIST ALL CIRCLED PART IDENTIFIERS ARE INCLUDED IN REPAIR KITS...

Page 27: ...0 08 19 Retaining Ring 2 04 3890 03 04 3890 03 20 Inner Piston 2 08 3750 01 08 3750 01 Inner Piston Ultra Flex 2 08 3761 01 08 3761 01 21 Diaphragm Back up 2 22 Diaphragm 2 23 Outer Piston 2 08 4600 2...

Page 28: ...A EPDM 08 1010 54 08 1020 54 N A N A 08 1080 54 N A N A FKM 08 1010 53 08 1020 53 N A N A 08 1080 53 N A Saniflex 08 1010 56 N A N A N A 08 1080 56 08 1060 56 08 1065 56 Non Food Grade Saniflex 08 10...

Page 29: ...WIL 10187 E 05 29 P8 Clamped Plastic NOTES...

Page 30: ...WIL 10187 E 05 30 P8 Clamped Plastic NOTES...

Page 31: ...WIL 10187 E 05 31 P8 Clamped Plastic NOTES...

Page 32: ...USA P 1 909 422 1730 psgdover com Copyright 2021 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 co...

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