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Wilden A4 PLASTIC, Engineering, Operation & Maintenance, Page: 28 / 32

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26

WILDEN PUMP & ENGINEERING CO.

Standard

Assembly

11

12

6

3

2

5

10

29

7

8

9

12

16

19

20

31

14

21

18

22

30

25

28

24

23

27

32

33

26

4

35

1

2

Ultra-Flex™
Assembly

™

13

17

31

15

35

Bumper

Pad

36

Outer

Piston

Ultra-Flex™

Diaphragm

Inner

Piston

Shaft

Ultra-Flex™

Spacer

SECTION 9C

EXPLODED VIEW/PARTS LISTING

A4

PLASTIC

ACCU-FLO™

Summary of Contents for A4 PLASTIC

Page 1: ...EOM T4 A4P 5 00 REPLACES EOM M4P 9 99 ...

Page 2: ... B Model A4 PLASTIC Accu Flo 9 SECTION 7 INSTALLATION OPERATION A Installation Turbo Flo Suggested Installation Drawing 10 B Air Controlled Operation Maintenance 11 C Principles Behind Accu Flo Pumps 12 D Installation Accu Flo Pumps 12 E Accu Flo Operation Maintenance 13 F Troubleshooting Turbo Flo Pumps 14 G Troubleshooting Accu Flo Pumps 14 SECTION 8 DIRECTIONS FOR DISASSEMBLY REASSEMBLY A Model...

Page 3: ...N BUNA N Red Dot FG SANIFLEX FV FOOD GRADE VITON ND NORDEL Blue NE NEOPRENE Green PU POLYURETHANE TF TEFLON PTFE White VT VITON Silver or White Dot WF WIL FLEX Orange VALVE SEAT O RING BN BUNA N PU POLYURETHANE TV TEFLON ENCAP VITON VALVE SEAT K KYNAR PVDF P POLYPROPYLENE T TEFLON PFA CENTER SECTION A ALUMINUM C TEFLON COATED N NICKEL PLATED P POLYPROPYLENE AIR VALVE A ALUMINUM ACCU FLO ONLY B BRA...

Page 4: ...A reaches the limit of its discharge stroke the air valve redirects pressurized air to the back side of diaphragm B The pressurized air forces diaphragm B away from the center block while pulling diaphragm A to the center block Diaphragm B is now on its discharge stroke Diaphragm B forces the inlet valve ball onto its seat due to the hydraulic forces developed in the liquid chamber and manifold of...

Page 5: ...n 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 Drain the pump by turning it upside down and allowing any fluid to flow into a suit...

Page 6: ...237 3 9 11 32 L 181 0 7 1 8 M 204 8 8 1 16 N 11 9 15 32 P 55 2 RAD 1 15 16 RAD R 75 2 RAD 2 1 2 RAD S 18 0 DIA 9 16 DIA SECTION 4B DIMENSIONAL DRAWING WILDEN MODEL A4 PLASTIC ACCU FLO 0 1 A FLANGE 12 7 mm 1 2 FNPT AIR INLET 19 1 mm 3 4 FNPT EXHAUST B C C D E F G H J S T R K L P M N DIMENSIONS T4 ACCU FLO PLASTIC ITEM METRIC mm STANDARD inch A 393 7 15 1 2 B 79 4 3 1 8 C 269 1 10 19 32 D 463 6 18 1...

Page 7: ...min Water Discharge Flowrates 76 151 114 189 227 265 303 Discharge Pressure 340 20 34 38 AIR CONSUMPTION SCFM Nm3 h SECTION 5B PERFORMANCE CURVES MODEL M1 PLASTIC ULTRA FLEX FITTED Height 527 1 mm 203 4 Width 393 7 mm 151 2 Depth 284 2 mm 113 16 Ship Weight Polypropylene 17 5 kg 38 lbs PVDF 22 5 kg 49 lbs Teflon PFA 23 9 kg 52 lbs Air Inlet 9 5 mm 3 8 Inlet 3 81 cm 11 2 Outlet 3 81 mm 11 2 Suction...

Page 8: ... 68 60 102 30 52 50 85 GPM l min Water Discharge Flowrates 76 151 227 303 189 265 114 Discharge Pressure 340 20 34 38 SECTION 5D PERFORMANCE CURVES MODEL T4 PLASTIC TEFLON FITTED Height 527 1 mm 203 4 Width 393 7 mm 151 2 Depth 284 2 mm 113 16 Ship Weight Polypropylene 17 5 kg 38 lbs PVDF 22 5 kg 49 lbs Teflon PFA 23 9 kg 52 lbs Air Inlet 9 5 mm 3 8 Inlet 3 81 cm 11 2 Outlet 3 81 mm 11 2 Suction L...

Page 9: ... supply pressure Flow curves are for optimal speed conditions only The optimal speed is that speed which provides the maximum flow under a particular air and fluid pressure condition The optimal speed varies for different fluid and air pressures Recommendations for optimal speed can be found on the right side of the flow curve Flow rates indicated on chart were determined by pumping water For opti...

Page 10: ... speed varies for different fluid and air pressures Recommendations for optimal speed can be found on the right side of the flow curve Flow rates indicated on chart were determined by pumping water For optimum life and performance pumps should be specified so that daily operation parameters will fall in the center of the pump performance curve AIR CONSUMPTION SCFM Nm3 h 10 20 30 40 50 60 70 80 90 ...

Page 11: ...levation atmospheric pressure and pipe friction loss all affect the amount of suction lift your pump will attain Inlet Air Pressure 0 10 20 30 40 50 60 70 80 90 100 Dry Vacuum 0 2 4 6 8 10 12 14 16 18 20 24 26 Meter 0 1 2 3 4 5 6 7 Rubber Diaphragms Ultra Flex Diaphragms FT H20 TPE Diaphragms Teflon Diaphragms PSIG Bar 7 1 4 2 2 7 3 4 4 1 4 8 5 5 6 2 6 9 22 T4 Plastic Suction Lift Capability Sucti...

Page 12: ...cator system 3 ELEVATION Selecting a site that is well within the pump s suction lift capability will assure that loss of prime troubles will be eliminated In addition pump efficiency can be adversely affected if proper attention is not given to elevation see pump performance chart 4 PIPING Final determination of the pump site should not be made until the piping problems of each possible location ...

Page 13: ...ool for predicting and preventing future maintenance problems and unscheduled downtime In addition accurate records make it possible to identify pumps that are poorly suited to their appli cations MAINTENANCE AND INSPECTIONS Since each application is unique maintenance schedules may be different for every pump Frequency of use line pressure viscosity and abra siveness of process fluid all affect t...

Page 14: ...ump is manufactured with wetted parts of polypropylene or PVDF The center section of the A4 Plastic pump is of aluminum or polypropylene construction A variety of diaphragms valve balls and O rings are available to satisfy temperature chemical compatibility abrasion and flex concerns All wiring used to operate the pump should be placed and connected according to the proper electrical codes It is i...

Page 15: ...nit runs under extreme conditions continuous operation at high speeds it may be necessary to relubricate the center block with a Buna N compatible NLGI Grade 2 grease every 50 million cycles Continuous lubrication with a compatible oil is not harmful and will provide longer seal life but it may flush all grease out of the unit A red button on the side of the air valve is a manual override when act...

Page 16: ...t the exhaust in very large quantities the air valve seals may be worn beyond their ability to function In this case the valve must be replaced NOTE Before the valve is scrapped it is possible that it may be saved by completely disassembling the valve cleaning all components and relubricating the valve Pump runs but little or no fluid comes out 1 Check that the discharge isolation valve is not clo...

Page 17: ...t and outlet and is designed for flows up to 306 6 lpm 81 gpm The model T4 plas tic is available in polypropylene PVDF or Teflon PFA wetted parts The air valve is manufactured of brass Teflon coated brass nickel plated brass or Stainless Steel All O rings used in the pump are of a special material and shore hardness which should only be replaced with factory supplied parts TOOLS REQUIRED 1 2 Wrenc...

Page 18: ...igure 6 Lift liquid chambers and center section from intake manifold to expose intake valve balls and seats Figure 6 Step 7 Figure 7 Remove the discharge valve balls O rings and seats Figure 7 from the liquid cham bers and inspect for nicks gouges chem ical attack or abrasive wear Replace worn parts with genuine Wilden parts for reliable performance Step 8 Figure 8 Normally inlet and discharge man...

Page 19: ...orn parts with genuine Wilden parts for reliable perfor mance Figure 13 Step 13 Figure 14 To remove diaphragm assembly from shaft secure shaft with soft jaws a vise fitted with plywood or other suitable mate rial to ensure shaft is not nicked scratched or gouged Using an adjustable wrench or by hand remove diaphragm assembly from shaft Inspect all parts for wear and replace with genuine Wilden par...

Page 20: ...ng the air valve should be disassembled as follows Remove the snap ring from the top end of the air valve cylinder and apply an air jet to the 3 16 inch hole on the opposite end of the air valve face see Figure C CAUTION The air valve end cap may come out with considerable force Inspect the piston and cylinder bore for nicks and scoring AIR VALVE DISASSEMBLY The air valve P N 04 2000 07 can be dis...

Page 21: ...ed Due to the design characteristics of the Glyd rings it is suggested that you use the ringer seal instal lation kit when replacing Glyd rings Consult EOM Ringer for installation instructions CENTER BLOCK ASSEMBLY P N 04 3100 01 The pump s center block P N 04 3100 01 consists of a die cast housing with a cast in bronze bushing Figure G Figure H shows T4 injection molded polypropylene center secti...

Page 22: ...possibility of seizing during tightening Ensure proper alignment on the sealing surfaces of intake and discharge manifolds Liquid chambers are easier to attach when the diaphragm is inverted Prior to attaching the second water chamber push diaphragm assembly so that it is as close as possible to the center section PVDF and PFA pumps require Teflon gasket kits for improved sealing Gasket kits may b...

Page 23: ...y Teflon fitted T4 PVDF and Teflon PFA pumps come stan dard with expanded Teflon Gasket Kits P N 04 9501 99 Care fully prepare sealing surfaces by removing all debris and foreign matter from diaphragm bead and all mating surfaces If necessary smooth or deburr all sealing surfaces Mating surfaces must be properly aligned in order to ensure positive sealing characteristics SECTION 8D GASKET KIT INST...

Page 24: ...Assembly 4 5 8 7 15 16 10 3 2 9 14 33 11 12 13 16 20 23 24 35 18 25 22 26 34 29 32 28 32 27 31 36 37 30 1 19 Outer Piston 35 Ultra Flex Diaphragm 21 Inner Piston 39 Ultra Flex Spacer 17 Shaft SECTION 9A EXPLODED VIEW PARTS LISTING T4 PLASTIC CHAMP AIR OPERATED ...

Page 25: ...ter 2 04 4550 20 500 04 4550 21 500 04 4550 20 500 04 4550 21 500 19 Piston Outer Ultra Flex 2 04 4560 21 04 4560 21 04 4560 21 04 4560 21 20 Piston Inner 2 04 3700 08 04 3700 08 04 3700 08 04 3700 08 21 Piston Inner Ultra Flex 2 04 3760 01 700 04 3760 01 700 04 3760 01 700 04 3760 01 700 22 Liquid Chamber 2 04 5000 20 04 5000 21 04 5000 20 04 5000 21 23 Large Clamp Band 2 04 7300 03 500 04 7300 0...

Page 26: ... 8 7 10 28 27 35 34 17 33 32 18 16 19 22 14 11 23 31 21 20 30 13 12 26 25 29 24 3 2 NOTE Teflon diaphragm models assembled with Teflon gasket kit at factory not shown 1 9 SECTION 9B EXPLODED VIEW PARTS LISTING T4 PLASTIC CHAMP TEFLON FITTED ...

Page 27: ...3 500 04 7300 03 500 04 7300 05 500 04 7300 05 500 04 7300 03 500 04 7300 05 500 04 7300 03 500 04 7300 05 500 21 Large Carriage Bolt 5 16 18 x 21 4 4 04 6070 03 04 6070 03 04 6070 05 04 6070 05 04 6070 03 04 6070 05 04 6070 03 04 6070 05 22 Hex Nut 5 16 18 4 08 6400 03 08 6400 03 08 6400 05 08 6400 05 08 6400 03 08 6400 05 08 6400 03 08 6400 05 23 Small Clamp Band 8 04 7100 03 500 04 7100 03 500 ...

Page 28: ... 2 5 10 29 7 8 9 12 16 19 20 31 14 21 18 22 30 25 28 24 23 27 32 33 26 4 35 1 2 Ultra Flex Assembly 13 17 31 15 35 Bumper Pad 36 Outer Piston Ultra Flex Diaphragm Inner Piston Shaft Ultra Flex Spacer SECTION 9C EXPLODED VIEW PARTS LISTING A4 PLASTIC ACCU FLO ...

Page 29: ...d Chamber 2 04 5000 20 04 5000 21 04 5000 20 04 5000 21 19 Large Clamp Band 2 04 7300 03 500 04 7300 03 500 04 7300 03 500 04 7300 03 500 20 Large Carriage Bolt 5 16 18 x 21 4 4 04 6070 03 04 6070 03 04 6070 03 04 6070 03 21 Hex Nut 5 16 18 4 08 6400 03 08 6400 03 08 6400 03 08 6400 03 22 Small Clamp Band 8 04 7100 03 500 04 7100 03 500 04 7100 03 500 04 7100 03 500 23 Small Carriage Bolt 5 16 18 ...

Page 30: ...1300 50 500 Saniflex 04 1010 56 N A 04 1080 56 N A N A N A Wil Flex 04 1010 58 N A 04 1080 58 N A N A N A Polypropylene N A N A N A 04 1120 20 500 N A N A PVDF N A N A N A 04 1120 21 500 N A N A SECTION 10B ACCU FLO ELECTRICAL REFERENCE NEMA 4 UL CSA Voltage 10 Current A AC AC DC Power W DC Resistivity Part Number 60 Hz 50 Hz 10 Inrush Holding Ω 00 2110 99 150 24 48 44 4 8 20 20 20 121 00 2110 99 ...

Page 31: ...WILDEN PUMP ENGINEERING CO MAINTENANCE RECORD DATE SERVICE RENDERED SERVICED BY ...

Page 32: ...p com Your local authorized distributor Revolutionizing the way you solve your toughest pumping problems Plastic Plastic Metal Metal Polypropylene Carbon Filled Acetal PVDF Teflon PTFE Teflon PFA Aluminum 316 S S Cast Iron Hastelloy FDA USDA 3A Teflon PFA Teflon PTFE SPCI FCSI Drum Pump Kits Wil Gard Equalizers APV Accessories Accessories PRINTED IN THE U S A ...

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