INOXPA SLRT 3-90 Installation, Service And Maintenance Instructions Download Page 1

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INSTALLATION, SERVICE AND

MAINTENANCE INSTRUCTIONS

SLR-T

INOXPA, S.A.

c/Telers, 54 Aptdo. 174

E-17820 Banyoles

Girona (Spain)

Tel.: (34) 972 - 57 52 00

Fax. : (34) 972 - 57 55 02

Email: [email protected]

www.inoxpa.com

Original Manual

01.506.30.0001EN

2021/11

.50

32.

(A)

Summary of Contents for SLRT 3-90

Page 1: ...NTENANCE INSTRUCTIONS SLR T INOXPA S A c Telers 54 Aptdo 174 E 17820 Banyoles Girona Spain Tel 34 972 57 52 00 Fax 34 972 57 55 02 Email inoxpa inoxpa com www inoxpa com Original Manual 01 506 30 0001...

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Page 4: ...of injury caused by rotating machine parts Electrical hazard Danger Caustic or corrosive agents Danger Suspended loads Danger to the correct operation of the machine A safe working environment must be...

Page 5: ...ossible electrical mechanical and chemical hazards The environmental conditions in the room may impose a hazard due to the substances being released 1 4 5 Warranty We wish to emphasise that any warran...

Page 6: ...ief valve pressure bypass 11 4 8 Electrical installation 12 5 Starting the pump 5 1 Starting the pump 13 5 2 Pressure bypass 14 6 Operating problems 7 Maintenance 7 1 General considerations 16 7 2 Sto...

Page 7: ...ing a partial vacuum which pushes the liquid into the pumping chamber B Driven by the rotating shafts each lobe is successively filled with liquid which is conveyed towards the discharge side The gaps...

Page 8: ...not to be in good material condition and or if not all the parts are included the shipping carrier should submit a report as soon as possible 4 1 1 Identification of the pump MODEL N kW YEAR 1 min V Q...

Page 9: ...ned completely the pump unit can be installed on the baseplate or frame Carefully tighten the nuts on the foundation bolts For other types of foundations consult INOXPA 4 4 COUPLING For selecting and...

Page 10: ...s In general terms if the self priming process is followed the pump must contain sufficient liquid to fill all internal recesses and voids allowing the pump to generate a difference in pressure Howeve...

Page 11: ...the relief valve to protect the system against excess pressure This valve is designed to protect only the pump it is not a safety valve 4 7 2 Principle of operation The pressure relief valve or bypass...

Page 12: ...Touching them may be dangerous for operators or cause irreversible damage to equipment Prior to handling the valve ensure the motor is stopped Connect the motor in accordance with the instructions sup...

Page 13: ...liquid to be pumped The pump shall NEVER operate without any liquid inside Check that the electrical power supply matches the rating indicated on the motor plate Check for proper direction of rotation...

Page 14: ...correct opening pressure proceed as follows Loosen the nut 54C Use a spanner to turn the adjustment screw 25A to the right to reduce the spring tension and get the desired opening pressure While carry...

Page 15: ...relief valve or bypass 8 Discharge pressure is too high If required reduce the pressure loss by increasing the diameter of the discharge pipe 9 The viscosity of the liquid is too high Reduce the pump...

Page 16: ...nical seal 7 1 2 Tightening torque Material Tightening torque Nm M5 M6 M8 M10 M12 M14 M16 M18 M20 8 8 6 10 25 49 86 135 210 290 410 A2 5 9 21 42 74 112 160 210 300 7 1 3 Lubrication The bearings are l...

Page 17: ...weight of nitric acid HNO3 at 70 C 150 F 0 7 litres of 53 HNO3 100 litres of water cleaning solution Check the concentration of the cleaning solutions incorrect concentrations may lead to deteriorati...

Page 18: ...to be handled carefully and others have small tolerances Check that the parts being used have not been damaged during transport When doing this you need to inspect the fitting edge the matching faces...

Page 19: ...prevent them from getting mixed up 7 4 3 Removal of the mechanical seal cover Loosen the nuts 57 securing each seal cover 09 Make sure that these nuts are not completely removed from the stud Press nu...

Page 20: ...ion of the bearing cover seal 18 If any defect is found look for a replacement part before assembling the pump 7 5 ASSEMBLY OF THE PUMP 7 5 1 Assembly of the shaft assembly Check that the bearing cove...

Page 21: ...tolerances Install new O rings 80 and 80D on the lobe 25 screws and on the shafts 05 and 05A Lubricate the O rings with soapy water or food grade oil compatible with the O ring material Adjust the spa...

Page 22: ...than one washer is installed on each shaft keep them separated to prevent them from getting mixed up Remove the cover seal as indicated in section 7 4 3 to provide access to the stationary part 07 of...

Page 23: ...en the torque screws of the adjustable locking mechanism diagonally with 2 or 3 turns using the set torque When tightening the screws on the adjustable locking mechanism ensure that the gears 19 and 1...

Page 24: ...diameter 131 5 mm Maximum torque of the pump support 400 Nm Pump weight 70 kg 1 The maximum permitted viscosity will depend on the type of liquid and the sliding speed of the seal sides For higher vi...

Page 25: ...A maximum differential pressure and maximum rotation speed B maximum differential pressure and 50 of the maximum rotation speed C 50 of the maximum differential pressure and maximum rotation speed D...

Page 26: ...26 8 Technical Specifications 2021 11 8 3 SLR T PARTS BREAKDOWN 01 506 32 0029...

Page 27: ...316L 32 Adjustment spacer 2 Stainless steel 34 DN 80 connections 2 AISI 316L 35 Impeller washer 2 AISI 316L 45 Cap nut 4 AISI 304 47 Support protection 2 PETP 50 Screw 4 8 8 steel 51 Screw 8 8 8 steel...

Page 28: ...mp cover for safety valve AISI 316L 17B 1 Spring bushing AISI 304 20 1 Piston AISI 316L 25A 1 Shaft bolt AISI 304 30 1 Guide ring PTFE 45A 1 Adjustment nut AISI 304 52A 4 Hex screw A2 54A 1 Hex nut A2...

Page 29: ...mp cover heating jacket AISI 316L 11 1 Front heating jacket AISI 304 52B 4 Hex screw A2 80J 1 O ring EPDM 8 7 REAR HEATING JACKET Item Quantity Description Material 10 1 Rear heating jacket AISI 316 1...

Page 30: ...nical Specifications 2021 11 8 8 DOUBLE LIP SEAL Item Quantity Description Material 08B 4 Lip seals PTFE 09A 2 Seal cover AISI 316L 13 2 Lip seal sleeve AISI 316L 55B 4 Stud A2 80J 2 O ring EPDM 01 50...

Page 31: ...NOTES...

Page 32: ...xpa au inoxpa com INOXPA ALGERIE INOXPA SOUTH AFRICA PTY LTD INOXPA USA Inc ROUIBA JOHANNESBURG SANTA ROSA Tel 213 21856363 21851780 Tel 27 117 945 223 Tel 1 7075 853 900 Fax 213 21854431 Fax 27 866 8...

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INOXPA SLRT 3-90, Installation, Service And Maintenance Instructions

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