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Parts list - LI20-FP*-****-*** Bolted Plastic

ITEM 

DESCRIPTION 

QTY  PUMP MODEL 

PART NO. 

 

 

NO. 

DESCRIPTION 

QTY  PUMP MODEL 

PART NO. 

MATERIAL

10 

DISCHARGE MANIFOLD  

1  LI20-FPP-****-***  

10596-40-AF 

Polypropylene 

 

 

 

LI20-FPK-****-***  

10596-56-AF 

PVDF

20 

BALL 

4  LI20-FP*-*V**-***  

11009-13 † 

Viton

®

/FKM 

 

 

 

LI20-FP*-*E**-***  

11009-15 † 

EPDM 

 

 

 

LI20-FP*-*G**-***  

11009-19 † 

Geolast

®

 

 

 

 

LI20-FP*-*N**-***  

11009-21 † 

Buna-N 

 

 

 

LI20-FP*-*S**-***  

11009-23 † 

Santoprene

®

 

 

 

 

LI20-FP*-*T**-***  

11009-45 † 

PTFE

30 

VALVE SEAT  

4  LI20-FPP-**P*-***  

10925-39 † 

Polypropylene 

 

 

 

LI20-FPK-**K*-***  

10925-56 † 

PVDF

40 

O-RING (Valve Seat) 

4  LI20-FP*-***N-***  

11917-11 † 

Nitrile   

 

 

 

LI20-FP*-***V-***  

11917-13 † 

Viton

®

/FKM 

 

 

 

LI20-FP*-***E-***  

11917-15 † 

EPDM   

 

 

 

LI20-FP*-***T-***  

11917-17 † 

PTFE 

50 

OUTER CHAMBER 

2  LI20-FPP-****-***  

10729-40 

Polypropylene 

 

 

 

LI20-FPK-****-***  

10729-56 

PVDF

61 

INTERMEDIATE 

1  ALL MODELS 

111524-60 

Polypropylene

62 

POWER RING (Set) 

ALL MODELS (NON-PTFE COATED)  

12812-26 

Stainless Steel

70 & 90 

DIAPHRAGM ROD ASSEMBLY 

1  ALL MODELS 

35000-00 

Stainless Steel

80 

PILOT SLEEVE 

1  ALL MODELS 

10106-31 

Δ

 

Acetal

100 

INNER SPACER (Pilot Sleeve) 

3  ALL MODELS 

10205-40 

Δ

 

Polypropylene

110 

Pilot Sleeve) 

4  ALL MODELS 

11919-16 

Δ

 

Urethane

120 

END SPACER (Pilot Sleeve) 

2  ALL MODELS 

10206-40 

Δ

 

Polypropylene

130 

O-RING (End Spacer) 

2  ALL MODELS 

11919-11 

Δ

 

Nitrile

140 

LIP SEAL (Diaphragm Rod)  

2  ALL MODELS 

12002-76 

Δ

 

Nitrile

150 

RETAINING PLATE 

2  ALL MODELS 

12709-54 

Nylon

160 

BUMPER 

2  ALL MODELS 

12317-16 

Urethane

170 

INNER DIAPHRAGM PLATE 

2  ALL MODELS 

11103-25 

Plated Steel

180 

DIAPHRAGM 

2  LI20-FP*-V***-***  

10603-13 † 

Viton

®

/FKM 

 

 

 

LI20-FP*-G***-***  

10603-19 † 

Geolast

®

 

 

 

 

LI20-FP*-S***-***  

10603-23 † 

Santoprene 

 

 

 

LI20-FP*-T***-***  

10603-23 † 

Santoprene

190 

OVERLAY (PTFE ONLY) 

2  LI20-FP*-T***-***  

11403-59 † 

PTFE

200 

N/A

210 

OUTER DIAPHRAGM PLATE W/ THREADED STUD  2  LI20-FPP-****-***  

11203-40 

Polypropylene 

 

 

 

LI20-FPK-****-***  

11203-56 

PVDF

220 

SUCTION MANIFOLD 

1  LI20-FPP-****-***  

10597-40 

Polypropylene 

 

 

 

LI20-FPK-****-***  

10597-56 

PVDF

230 

AIR VALVE GASKET 

1  ALL MODELS 

12121-19 

 

Nitrile

240 

SHUTTLE PLATE 

1  ALL MODELS 

10450-77 

 

Ceramic

250 

SHUTTLE 

1  ALL MODELS 

10430-00 

 

Special

260 

AIR VALVE BODY 

1  ALL MODELS 

11617-60 

 

Polypropylene

270 

AIR VALVE SPOOL 

1  ALL MODELS 

10481-31 

 

Acetal

P h o n e :   ( 5 8 5 )   4 2 6 - 0 9 9 0  

 

www.lutzjescoamerica.com

 

 Fax: (585) 426-4025

20

Operation & Maint

enance Ins

tructions 

 

AODD: 2” Air Operat

ed Double Diaphragm Pum

p

Summary of Contents for AIRTRAN LI20-FP Series

Page 1: ...A measured step forward TM AIRTRAN 2 Air Operated Double Diaphragm Pump...

Page 2: ...THIS PAGE INTENTIONALLY LEFT BLANK P h o n e 5 8 5 4 2 6 0 9 9 0 www lutzjescoamerica com Fax 585 426 4025 2 Operation Maintenance Instructions AODD 2 Air Operated Double Diaphragm Pump...

Page 3: ...12 Repair and Assembly 13 Pump Wet End Removal 13 Pump Wet End Assembly 14 Repair and Assembly 15 Air Valve Removal 15 Air Valve Assembly 16 Repair and Assembly 17 Pilot Valve Removal 17 Torque Specif...

Page 4: ...y the materials in contact with the fluid being pumped Consult a chemical resistance guide for chemical compatibility and a more precise safe temperature limit Always use minimum air pressure when pum...

Page 5: ...ler Grounding Lug Installed Note Equipment must be grounded to acheive ATEX rating It is recommended to configure the pump with a grounding lug option for ATEX applications SPECIAL OPTION OTHER 0 Stan...

Page 6: ...e outward to the left Since both the left diaphragm and the right diaphragm are connected via a dia phragm rod when the left diaphragm moves to the left the right diaphragm through the action of the d...

Page 7: ...6 446 31 7 805 13 7 349 12 2 310 1 9 49 7 6 194 6 0 153 4 0 101 14 2 360 16 7 423 0 6 14 8 2 208 9 2 234 Dimensions in inches mm P h o n e 5 8 5 4 2 6 0 9 9 0 www lutzjescoamerica com Fax 585 426 402...

Page 8: ...O Weight Polypropylene 56 lbs 25 kg Weight PVDF 84 lbs 38 kg Air Inlet 3 4 FNPT Liquid Inlet 2 ANSI DIN FLANGE Liquid Outlet 2 ANSI DIN FLANGE Height 31 7 805 mm Width 23 6 600 mm Depth 12 2 310 mm 0...

Page 9: ...ragm failure this will reduce or eliminate the pos sibility of liquid discharging through the exhaust onto the ground Location Ensure that the pump is installed in an accessible location in order to f...

Page 10: ...ustration is a generic representation of an air operated double diaphragm pump P h o n e 5 8 5 4 2 6 0 9 9 0 www lutzjescoamerica com Fax 585 426 4025 10 Operation Maintenance Instructions AODD 2 Air...

Page 11: ...essive Debris stuck in valves Excessive wear of check valves Air leak on suction side with suction lift Pump Cycles with Closed Discharge Valve Debris stuck in check valve Excessive wear of check valv...

Page 12: ...partially closing a liquid suction valve restrict the suction line and may cause damage to the diaphragms Suction strainers may be employed to reduce or eliminate larger solids but routine maintenance...

Page 13: ...ight Hex Head Cap Screws and Lock Washers sixteen Washers and eight Hex Nuts from the Dishcharge Manifold STEP 2 Remove the Discharge Manifold STEP 3 Remove the O Ring Valve Seat and Ball from the Dis...

Page 14: ...ower four bolts are inserted from the center STEP 8 Remove both Outer Chambers and Power Rings from the Intermediate Note the Lock Washers are installed on the Power Rings which should be on the Inter...

Page 15: ...ash ers Flat Washers and Hex Nuts rear STEP 2 Remove the main Air Valve Assembly from the pump STEP 3 Remove the Air Valve Gasket from the main Air Valve Assembly STEP 4 Remove the Shuttle Plate from...

Page 16: ...ly they will be unable to rotate Insert the spool larger chamber side first the spool s longer piston with the boss is to be on the plug side ensure O Ring is installed and then the air valve end plug...

Page 17: ...ure that the air and fluid lines are closed and disconnected While wearing personal protective equipment flush and drain process liquid from the pump WARNING Maintenance must not be performed when a h...

Page 18: ...rdering information Torque Specification Chart RECOMMENDED TORQUE SPECIFICATIONS 2 Pumps Chamber Bolts 20 ft lbs 27 1 N m Air Valve Bolts 40 in lbs 4 52 N m Diaphragm Plates 372 in lbs 42 0 N m Manifo...

Page 19: ...352 351 10 354 361 362 20 30 40 61 62 70 80 90 100 110 120 130 140 150 160 170 180 220 230 240 250 260 270 280 290 300 311 312 320 210 50 372 190 P h o n e 5 8 5 4 2 6 0 9 9 0 www lutzjescoamerica com...

Page 20: ...ypropylene 110 Pilot Sleeve 4 ALL MODELS 11919 16 Urethane 120 END SPACER Pilot Sleeve 2 ALL MODELS 10206 40 Polypropylene 130 O RING End Spacer 2 ALL MODELS 11919 11 Nitrile 140 LIP SEAL Diaphragm Ro...

Page 21: ...HEX 1 2 13 36 ALL MODELS NON PTFE COATED 12604 26 Stainless Steel 371 WASHER LOCK 1 4 6 ALL MODELS NON PTFE COATED 12350 26 Stainless Steel 372 WASHER SPLIT LOCK 1 4 36 ALL MODELS NON PTFE COATED 123...

Page 22: ...r to EPDM Has excellent abrasion resistance Temperature range 40 F to 225 F 40C to 107C FKM is an elastomer with good corrosion resistance to a wide variety of chemicals Similar in chemical resistance...

Page 23: ...THIS PAGE INTENTIONALLY LEFT BLANK P h o n e 5 8 5 4 2 6 0 9 9 0 www lutzjescoamerica com Fax 585 426 4025 23 Operation Maintenance Instructions AODD 2 Air Operated Double Diaphragm Pump...

Page 24: ...complete chemical feed system we provide you with the appro priate Total Fluid Management solution Please contact us for more information Lutz JESCO Corp 55 Bermar Park Rochester NY 14624 Phone 585 42...

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