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Desmi Modular S-N Series Operation And Maintenance Instructions

Self-priming centrifugal pump
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OPERATION AND MAINTENANCE INSTRUCTIONS
DESMI self-priming centrifugal pump
DESMI PUMPING TECHNOLOGY A/S
Tagholm 1 – DK-9400 Nørresundby – Denmark
Special pump No..................................................
Modular S-N Monobloc
Tel.: +45 96 32 81 11
Fax: +45 98 17 54 99
E-mail:
desmi@desmi.com
Internet:
www.desmi.com
Manual:
Language:
T1441
English
Revision:
I (02/20)

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Summary of Contents for Desmi Modular S-N Series

  • Page 1 OPERATION AND MAINTENANCE INSTRUCTIONS DESMI self-priming centrifugal pump Modular S-N Monobloc DESMI PUMPING TECHNOLOGY A/S Tagholm 1 – DK-9400 Nørresundby – Denmark Tel.: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com Internet: www.desmi.com Manual: Language:...

  • Page 2: Table Of Contents

    Contents 1. PRODUCT DESCRIPTION ............................4 1.1 DELIVERY..................................4 2. TECHNICAL DATA ..............................4 2.1 NAME PLATE ................................5 2.2 EXPLANATION OF THE TYPE NUMBER ........................5 2.3 TECHNICAL DESCRIPTION ............................6 3 . INSTALLATION ................................7 3.1 MOUNTING/FASTENING ............................7 4. TRANSPORT/STORAGE ..............................8 5.
  • Page 3 17.2 S S32-25-110 S50-32-135N ....................21 PARE PARTS LIST FOR 18. DIMENSIONAL SKETCH ............................21 ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com...

  • Page 4: Product Description

    1. PRODUCT DESCRIPTION These operation and maintenance instructions apply to the DESMI Modular S-N Monobloc pump series. The pumps are available in sizes ranging from 25 to 100 mm on the pressure flange. The suction flange is bigger than the pressure flange.

  • Page 5: Name Plate

    07 : On a base plate with petrol or diesel engine, or with electric motor. 08 : Mounted on a trolley with petrol or diesel engine, or with electric motor. ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark...

  • Page 6: Technical Description

    1800 S100-80-175N 1800 1250 2200 S100-80-220N 1800 1250 2200 S100-80-275N 1800 1250 2200 ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com www.desmi.com...

  • Page 7: Installation

    Mounting steps as below: Tighten the 4 screws retaining the pump feet diagonally. ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com...

  • Page 8: Transport/Storage

    S80-70-220N 62.0 S125-100-220N 147.0 The pump is to be stored in a dry area. ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com...

  • Page 9: Dismantling

    (30), and the shaft with bearings can be pulled out of the bearing housing. At the same time, the shaft seal and the water deflector are pulled off the shaft. ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark...

  • Page 10: Dismantling Seat

    1-1.5 mm into the shaft seal cover (the bearing housing in S32-25-110N or S50-32-135N). ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com...

  • Page 11: Fitting Shaft Seal

    (34) between bearing housing and guide ring. ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com...

  • Page 12: Fitting Bearing Cover And Shaft Seal Cover

    Remove the plug in the inlet cover to empty the pump. Alternatively, it is possible to use anti- freeze liquids in normal constructions. ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com...

  • Page 13: Dismantling

    Start the pump for a moment to check the direction of rotation. If the direction is correct (i.e. in the direction of the arrow) the pump may be started. ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark...

  • Page 14: System Balancing

    Bear in mind, though, that the pump was carefully checked and tested at the factory and that the majority of faults stem from the piping system. ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com...
  • Page 15 1. Cavitation in pump Suction lift too high/ noise Suction line wrongly dimensioned/Liquid temperature too high ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com www.desmi.com...

  • Page 16: Inspection And Maintenance

    S100-80-220N PRESSURE Pump S100-80-275N S125-80-220N S125-80-275N S125-100-220N PRESSURE (10.2 mWC = 1 bar) ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com www.desmi.com...
  • Page 17 The powers stated in the table below are the highest possible absorbed by the pump, whereas the min./max. values for flow and pressure indicate DESMI's recommended operating range for the pump. The above-mentioned max. working pressure is NOT valid for pumps approved by a classification society.
  • Page 18 14. EC DECLARATION OF CONFORMITY DESMI PUMPING TECHNOLOGY A/S, hereby declare that our pumps of the type Modular S-N Monobloc are manufactured in conformity with the following essential safety and health requirements in the COUNCIL DIRECTIVE 2006/42/EC on machines, Annex 1.

  • Page 19: Information Relevant For Disassembly Or Disposal At End-Of-Life

    15. INFORMATION RELEVANT FOR DISASSEMBLY OR DISPOSAL AT END-OF-LIFE No damage materials are used in DESMI pumps – please refer to DESMI Green Passport (can be sent on request – contact a DESMI sales office) – i.e. common recycling companies can handle the disposal at end-of-life. Alternatively the pump and motor can be returned to DESMI at end-of-life for safe recycling.

  • Page 20: Assembly Drawing For S32-25-110 And S50-32-135N

    26 Valve plate Ball bearing 27 Sealing washer Support disc 28 Sealing washer ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com www.desmi.com...
  • Page 21 90 Screw 28 Sealing washer 18. DIMENSIONAL SKETCH See also table on the next page ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com...
  • Page 22 1/2"BSP 466 125 210 250 100 180 220 S125-100-220N 8x18 476 1/4"BSP 1/2"BSP ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nø rresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com www.desmi.com...

This manual is also suitable for:

Modular s32-25-110Modular s50-32-135nModular s70-50-175nModular s70-50-220nModular s70-50-275nModular s80-70-175n ... Show all

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