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INSTALLATION, OPERATION

MAINTENANCE MANUAL

POLY-GUARD

SERIES

FLUOROPOLYMER-LINED, MAGNETIC-DRIVE,

CLOSE-COUPLED GEAR PUMPS

Liquiflo

Document No.: 3.20.087

443 North Avenue, Garwood, NJ 07027 USA

Tel: 908-518-0777 Fax: 908-518-1847 www.liquiflo.com

Models P5 thru P9

Models P1 thru P4

Содержание POLY-GUARD P1

Страница 1: ...SERIES FLUOROPOLYMER LINED MAGNETIC DRIVE CLOSE COUPLED GEAR PUMPS May 2021 Liquiflo All rights reserved Document No 3 20 087 443 North Avenue Garwood NJ 07027 USA Tel 908 518 0777 Fax 908 518 1847 ww...

Страница 2: ...Disassembly 13 15 1 4 Repair Kits Replacement Parts 6 5 3 1 Cartridge Removal 13 1 5 Returned Merchandise Authorization RMA 6 5 2 3 Cartridge Disassembly 13 14 5 3 3 Outer Magnet Removal 15 2 Safety P...

Страница 3: ...ot been damaged in transit B Verify that the pump Model Number and Serial Number are stamped on the circular Stainless Steel Nameplate on the pump s housing C For ATEX certification verify that the fo...

Страница 4: ...32 32 32 32 32 32 32 32 F 0 0 0 0 0 0 0 0 0 C NPSHR Max Speed 2 2 2 3 5 2 5 2 4 3 3 ft a 0 6 0 6 0 6 0 9 1 6 1 6 1 2 0 9 0 9 m a Suction Lift dry 5 1 1 2 3 3 3 5 3 5 5 6 ft 0 3 0 3 0 6 0 9 0 9 1 1 1 1...

Страница 5: ...145TC 2 14 mm IEC 71 B5 Flange 3 19 mm IEC 80 B5 Flange 4 24 mm IEC 90 B5 Flange 5 1 1 8 in NEMA 182 184TC Pos 1 P5 P9 8 28 mm IEC 100 112 B5 Flange 8 Containment Can 0 Alloy C PFA Lined Obsolete 3 1...

Страница 6: ...eturned Merchandise Authorization Number RMA and provide the distributor with the required information see RMA Record below 2 Clean and neutralize pump Be sure no fluid remains in the containment can...

Страница 7: ...e pump with suction and or discharge valves closed Never operate the pump out of its design specifications Never start the pump without making sure that the pump is primed Never use heat to disassembl...

Страница 8: ...ble especially for viscous fluids and or high flow rates Sharp bends or restrictions in the piping should be avoided Long sweep elbows should be used when turns are required Valves should be ball type...

Страница 9: ...back pressure valve BPV can be used to generate sufficient pressure 2 All pumps require sufficient NPSH Net Positive Suction Head to function properly The NPSH available in the system is the differen...

Страница 10: ...motor shaft same as that of the pump drive shaft will determine which side of the pump is the inlet suction side and which side is the outlet discharge side For the Poly Guard Series pumps the flow di...

Страница 11: ...ing and thermal expansion In addition the pump could overheat due to eddy currents induced in the containment can As a general rule mag drive pumps should not be run dry for more than 30 seconds 4 Jog...

Страница 12: ...ter housing of the pump may also incur internal physical wear and require replacement The O rings and retaining rings should always be replaced when rebuilding the pump Standard repair kits are availa...

Страница 13: ...25 2 Remove the pump cartridge from the pedestal by pulling it straight out NOTE Force will have to be applied to overcome the magnetic attraction between the outer and inner magnets 3 Drain the liqu...

Страница 14: ...rebuild the pump 10 Remove the drive gear 4 and key 13 from the drive shaft 2 by removing the retaining ring s 5 Discard the retaining rings 11 Remove the idler gear 3 and key 13 from the idler shaft...

Страница 15: ...E The pedestal is shown connected directly to a motor but the pedestal could also be connected directly to the Liquiflo S Adapter P N SADAPT or the Liquiflo Power Frame P N A 620804 Each of these devi...

Страница 16: ...Cartridge Model Number CP4UPPEE110BVU Assembly of Gear Shafts If required see Note below NOTE Steps 1 and 2 are not applicable if the gear shaft components were supplied as part of a Liquiflo Repair...

Страница 17: ...Bearings 3 Insert the bearing lock pins 7 into the front housing 15 and rear housing 9 4 Insert two bearings 6 into the front housing 15 and two bearings 6 into the rear housing 9 NOTE The pins serve...

Страница 18: ...ve the relief grooves must face toward the gears NOTE Failure to orient the wear plates properly will reduce the operating life of the pump 8 Insert two wear plates 8 into the center housing 12 with t...

Страница 19: ...ng 12 Insert the other housing O ring 10 into the circular groove on the bearings side of the front housing 15 as shown 13 Place the front housing 15 onto the center housing 12 by allowing the shafts...

Страница 20: ...tening the bolts NOTE Tighten the bolts using a star pattern torque sequence to ensure even compression on the surfaces of the housing O rings Refer to Appendix 1 for the torque specifications of the...

Страница 21: ...the gears 20 Insert the containment can O ring 22 into the circular groove of the front housing 15 Installation of Containment Can 21 Install the containment can 20 to the front housing 15 using six...

Страница 22: ...4 onto the motor shaft and position the hub as shown on Page 23 e Tighten the two setscrews 17 on the hub Outer Magnet Pedestal Part Numbers The specific outer magnet and pedestal supplied with the pu...

Страница 23: ..._________________________________________________________________________________________________ III IEC 71 80 100 112 Frames The outer magnet s hub is positioned by a snap ring installed in the hub...

Страница 24: ...1 for the torque specifications of the fasteners 5 4 4 Cartridge Installation 24 Carefully install the pump cartridge to the pedestal 25 using four sets of bolts 26 nuts 27 and lock washers 28 NOTE Ho...

Страница 25: ...P1 P4 3 8 16 UNC x 1 1 2 SHCS 4 236 26 7 P5 P9 3 8 16 UNC x 1 5 8 BOLTS for MOTOR PEDESTAL ASSEMBLY Motor Frames Function Pump Models Bolt Size Bolt Type Qty per Pump Max Torque Specifications in lb...

Страница 26: ...tainment Can PTFE Lined 1 21 Screw Containment Can 5 16 24 X 5 8 SHCS 6 22 O Ring Containment Can Size 2 042 1 23 Hub Outer Magnet 2 1 24 Outer Magnet 1 25 Pedestal Mounting Bracket 1 26 Bolt Front Ho...

Страница 27: ...o Installation Operation Maintenance Manual Poly Guard Series MAG DRIVE Gear Pumps Models P1 thru P9 Close Coupled 27 Appendix 3 Reference Drawings Exploded View Drawing Poly Guard Series Mag Drive Ge...

Страница 28: ...Bearing Lock 4 23 Hub Outer Magnet 1 8 Wear Plate 4 24 Outer Magnet 1 9 Rear Housing PFA Lined 1 25 Pedestal Mounting Bracket 1 10 O Ring Housing P1 P4 Size 2 037 2 26 Bolt Front Housing P1 P4 3 8 16...

Страница 29: ...Series MAG DRIVE Gear Pumps Models P1 thru P9 Close Coupled 29 Appendix 3 Reference Drawings Continued Dimensional Drawing 1 Models P1 thru P4 with ANSI 150 Flanges Dimensional Drawing 2 Models P5 th...

Страница 30: ...Series MAG DRIVE Gear Pumps Models P1 thru P9 Close Coupled 30 Appendix 3 Reference Drawings Continued Dimensional Drawing 3 Models P1 thru P4 with DIN PN16 Flanges Dimensional Drawing 4 Models P5 th...

Страница 31: ...ndix 3 Reference Drawings Continued Dimensional Drawing 5 Models P1 thru P4 with Universal ANSI 150 DIN PN16 Flanges Dimensional Drawing 6 Models P5 thru P9 with Universal ANSI 150 DIN PN16 Flanges Di...

Страница 32: ...logged strainer Clean strainer Speed too low Increase driver speed if possible Use larger size pump if required Pump worn or damaged Rebuild pump Loss of suction after satisfactory operation Pump not...

Страница 33: ...pump and motor or adjust stilts Inspect grout and regrout if necessary Worn pump bearings Replace bearings Worn motor bearings Replace bearings or motor Pump cavitation Increase NPSH available Excessi...

Страница 34: ...Liquiflo Installation Operation Maintenance Manual Poly Guard Series MAG DRIVE Gear Pumps Models P1 thru P9 Close Coupled 34 NOTES...

Страница 35: ...Liquiflo Installation Operation Maintenance Manual Poly Guard Series MAG DRIVE Gear Pumps Models P1 thru P9 Close Coupled 35 NOTES...

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