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 PDA-20, 40, 80W

O-ring

PDA-20W

S-135

PDA-40W

172

 × 

3

PDA-80W

194.5

 × 

2

*

No

Name

Q'ty

Material

Remarks

16

Slider pin

1

SUS304

17

O-ring

2

FKM

*

18

Cap nut

4

SS

Fluor coat

19

Plate washer

4

SS

Fluor coat

20

O-ring

1

FKM

S-10

21

Stopper

1

SUS304

22

Spacer A

1

PVC

23

Electrode holder

2

SUS304

24

O-ring

2

FKM

P-3

25

Hex screw

2

SS

M3 

×

 12

28

Hex bolt

6

SS

29

Spring washer

6

SS

M4

26

Bellows plate

1

SUS304

27

Bellows flange

2

SUS304

No

Name

Q'ty

Material

Remarks

1

Bellows unit

1

PTFE, PFA

2

Cylinder

1

A6063

Fluor coat

3

Plate

1

A5052

Fluor coat

4

OUT guide

1

SUS304

5

Slider

1

PPS

6

Stud bolt

4

SUS304

PTFE coat

7

Valve A

2

SUS304

8

Pin nut

1

SUS304

9

Pin

1

SUS304

10

Spring A

1

SUS304WPB

11

Spring B

2

SUS304WPB

12

Cover

1

A5052

Fluor coat

13

Spacer

1

PVC

14

IN guide

1

SUS304

15

Valve seat

2

FKM

6. Structure and names of parts

Содержание PDA-20W

Страница 1: ...Read this manual before use of product IWAKI Auto Dampener PDA W Instruction Manual This is patent pending product ...

Страница 2: ...nspection 5 2 Outline of product 5 3 Model code 5 4 Specification 6 5 Dimensions and mass 7 6 Structure and names of parts 8 7 Main parts and labelling 9 Installation 10 1 Before use 11 2 Installation 11 3 Piping 12 Operation 14 1 Preparation for operation 15 2 Operation 15 3 Stopping 16 Maintenance 17 1 Troubleshooting 18 2 Maintenance and inspection 19 3 Consumable parts 19 This instruction manu...

Страница 3: ...t of hazards and loss which may be brought if the instructions are not observed or if the auto dampener is wrongly used Warning Non observance or misapplication of the contents of the Warning could lead to death or injury Caution Non observance or misapplication of the contents of the Caution could lead to injury or damage Prohibited action or procedure is indicated Inside or near this circle a co...

Страница 4: ...se from modification Prohibited installation storage place To avoid fire or injury do not install or store the dampener in Flammable atmosphere Dusty place Corrosive atmosphere Ventilation Risk of poisoning Keep your working site ventilation when handling a toxic odoriferous liquid Wear protective clothing Be sure to wear protective clothing such as safety goggles protective gloves etc during main...

Страница 5: ... time with the liquid inside the gas may be generated to penetrate the bellows and cor rode the metallic parts When the pump or dampener is stopped for 2 days or more operate them for about 10 minutes a day to replace the air Air exhaust port Do not choke make tube dia smaller air exhaust port to avoid bellows deformation due to residual air Before operating the pump dampener Fully open pump sucti...

Страница 6: ... 4 1 Unpacking and inspection 5 2 Outline of product 5 3 Model code 5 4 Specification 6 5 Dimension and mass 7 6 Structure and names of parts 8 7 Main parts and labelling 9 Product outline ...

Страница 7: ...pen the liquid pulsation The liquid discharged from the pump is transferred to outlet through bellows At this moment the sup ply air is automatically adjusted by the pressure regulating valve and this functions to dampen the liquid pulsation Inlet Pressure adjusting valve Pressure adjusting valve Air supply Bellows Outlet Air exhaust PDA 20 W Series code Capacity Max discharge capacity of correspo...

Страница 8: ...d dampening effect can not be obtained Note Performance and dimensions may be changed without prior notice Model PDA 40W PDA 80W Applied pump FW 40 FS 60 FW 80 Max liquid press MPa Supply air press MPa 0 2 0 5 Pulsation press width Mpa Liquid pipe connection Air piping connection Wet end material PDA 20W FW 20 FS 30 10 80 0 5 0 5 Within 0 06 in case liquid viscosity is within 1 50 mPa s Rc 1 4 Fem...

Страница 9: ... 7 7 PDA 20 40 80W A B C D E F G H Mass kg PDA 40W 388 188 255 229 ø25 ø22 23 36 162 12 PDA 80W 408 208 323 266 ø25 ø22 25 38 188 17 PDA 20W 348 148 215 191 ø19 ø16 18 33 135 7 5 Dimension and mass ...

Страница 10: ...ex screw 2 SS M3 12 28 Hex bolt 6 SS 29 Spring washer 6 SS M4 26 Bellows plate 1 SUS304 27 Bellows flange 2 SUS304 No Name Q ty Material Remarks 1 Bellows unit 1 PTFE PFA 2 Cylinder 1 A6063 Fluor coat 3 Plate 1 A5052 Fluor coat 4 OUT guide 1 SUS304 5 Slider 1 PPS 6 Stud bolt 4 SUS304 PTFE coat 7 Valve A 2 SUS304 8 Pin nut 1 SUS304 9 Pin 1 SUS304 10 Spring A 1 SUS304WPB 11 Spring B 2 SUS304WPB 12 C...

Страница 11: ... 9 9 IN label IN label OUT label Cover Fix the cover at installation Suction port Air supply port Nameplate shows model and MFG No Air exhaust port OUT label Discharge port 7 Main parts and labelling ...

Страница 12: ... 10 1 Before use 11 2 Installation 11 3 Piping 12 Installation ...

Страница 13: ...nect the electrodes with any device including our controllers when using solvent 5 Surface temperature of the dampener Model PDA 80W Cylinder surface temp 40 deg C Liquid temp Room temp 80 deg C 20 deg C PDA 20W 180 deg C 74 deg C 20 deg C PDA 40W 180 deg C 66 deg C 20 deg C 1 Connect tubes to Inlet and outlet of the dampener horizontally 2 Install the dampener between the pump and the filter as c...

Страница 14: ...ance more than that of specified max pressure of the dampener 6 For mounting of pipe joints pay attention so that the air can not be sucked in Especially the air sucked in suction piping causes unstable or impossible discharge 7 PFA tubes are equipped for suction and dis charge ports Tube diameters are PDA 20W 19 16 mm PDA 40W 25 22 mm PDA 80W 25 22 mm Use the tube fittings which correspond to tub...

Страница 15: ...ion of the bellows CAUTION Install a pressure reducing valve for each combination of the pump dampener If only a pressure reducing valve control several combinations of pump dampener the pulsation reduction effect will reduce or the bellows are deformed because of the pressure down at dampener inlet 2 In case that air adjusting valve is installed If the valve marked with on the illustration below ...

Страница 16: ... 14 1 Preparation for operation 15 2 Operation 15 3 Stopping 16 OPERATION ...

Страница 17: ...r pressure does not exceed specified pump pressure 1 Preparation for operation 2 Operation CAUTION Right after the pump starts the dampener exhausts air intermittently This is because the pressure adjusting valves function until load fluctuation is gone Note that this is not abnormal Installing the muffler into the exhaust port the exhaust noise can be reduced Fitting bore RC1 4 CAUTION Check that...

Страница 18: ...o release the residual pressure CAUTION Do not run the pump in time lag operation In the time lag operation the bellows of auto dampener may fail in a short time Also pulsation dampening effect can not be obtained When the auto dampener is used the time lag should be zero Time lag operation When proximity switches detects the bellows movement and the switching over signal is transferred to the sol...

Страница 19: ... 17 1 Troubleshooting 18 2 Maintenance inspection 19 3 Consumable parts 19 Maintenance ...

Страница 20: ...h Deterioration or deforma tion of O ring Tighten Replace O ring Air pressure adjusting valve at exhaust side is clogged Disassemble and clean Inspection check items a Filter blinding or drying b If filter is wetted enough a Check air filter a Refer to item Air Piping on Installation section Air is mixed in the liquid a If specified air pressure is added to dampener b If the dampener is not used b...

Страница 21: ...rged normally from dampener pump b Confirm the vibration width of pressure gauge to see no change in discharge capacity and pressure c Confirm if pipe does not vibrate abnormally Periodical inspection Make the inspection once a month or more If the air leakage through cylinder part is confirmed stop the pump after pump discharge side pressure is released to leave it until it is cooled down And the...

Страница 22: ... S A IWAKI PUMPS UK LTD IWAKI Schweiz AG IWAKI Austria GmbH IWAKI Holland B V IWAKI Iberica Pumps S A IWAKI Belgium n v FAX 2154 1028 FAX 02 990 42888 FAX 48 24 2346 FAX 8 511 72922 FAX 9 2742715 FAX 66 81 16 61 FAX 1 64 49 92 73 FAX 1743 366507 FAX 26 674 9302 FAX 2236 33469 FAX 297 273902 FAX 943 628799 FAX 1367 2030 IWAKI America Incorporated IWAKI Pumps Australia Pty Ltd IWAKI Singapore Pte Lt...

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