Desmi H Series Operation And Maintenance Instructions

Modular centrifugal pump

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OPERATION AND MAINTENANCE INSTRUCTIONS
DESMI PUMPING TECHNLOGY A/S
Tagholm 1 – DK-9400 Nørresundby – Denmark
Special pump No..................................................
DESMI Centrifugal Pump
MODULAR H
Tel.: +45 96 32 81 11
Fax: +45 98 17 54 99
E-mail:
desmi@desmi.com
Internet:
www.desmi.com
Manual:
Language:
T1340
English
Revision:
E (04/13)

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Summary of Contents for Desmi H Series

  • Page 1 OPERATION AND MAINTENANCE INSTRUCTIONS DESMI Centrifugal Pump MODULAR H DESMI PUMPING TECHNLOGY 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: Revision: T1340...
  • Page 2: Table Of Contents

    Contents 1. PRODUCT DESCRIPTION ............................3 1.1 DELIVERY ..................................3 2. TECHNICAL DATA ..............................3 2.1 EXPLANATION OF THE TYPE NUMBER ........................3 2.2 TECHNICAL DESCRIPTION ............................4 3. INSTALLATION ................................5 3.1 MOUNTING/FASTENING ............................5 3.2 WIRING ..................................6 4. TRANSPORT/STORAGE ...............................6 5.
  • Page 3: Product Description

    The pumps are available in sizes ranging from 40 to 80 mm on the pressure flange. The suction flange is bigger than the pressure flange. DESMI H is a single-stage centrifugal pump with stainless steel shaft, mechanical shaft seal, and closed impeller.
  • Page 4: Technical Description

    The permissible loads on the flanges appear from the following table: ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nørresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com...
  • Page 5: Installation

    Alternatively, a V-belt pulley may be mounted with a TAPER LOCK bush. When dimensioning the V-belt pulley it is important to follow the rules of the DESMI nomograms for the pump size in question - contact DESMI.
  • Page 6: Wiring

    The pump is to be lifted as shown here: The lifting straps must not bear against sharp edges and corners. ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nørresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com...
  • Page 7: Dismantling

    6.1 FITTING SEALING RING IN PUMP CASING When fitted, the sealing ring is to bear against the shoulder of the pump casing. ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nørresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com...
  • Page 8: Fitting Shaft With Bearings

    6.7 SHAFT When the pump has been assembled, check that the shaft rotates freely. ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nørresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com...
  • Page 9: Frost Protection

    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 Nørresundby – Denmark...
  • Page 10: 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 Nørresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com...
  • Page 11: Inspection And Maintenance

    - The repairman must be familiar with the type of liquid which has been pumped as well as the safety measures he is to take when handling the liquid. ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nørresundby – Denmark...
  • Page 12: Draining The Pump

    The test pressure is stated in the test certificate and stamped into the discharge flange of the pump. 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. ______________________________________________________________________________...
  • Page 13 H-80-200 Ø205 3.9/6.7/31/51 50/60/95/105 130/156/260/300 7.1/10.4/27/38 12.7/18.5/53/73 H-80-200 Ø190 3.1/5.3/24/40 40/43/88/95 120/145/245/280 6.2/9.0/23/31 11.2/16.2/46/64 ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nørresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com www.desmi.com...
  • Page 14: Eu Declaration Of Conformity

    14. EU DECLARATION OF CONFORMITY DESMI PUMPING TECHNLOGY A/S, hereby declare that our pumps of the Modular H type are manufactured in conformity with the following essential safety and health requirements in the COUNCIL DIRECTIVE 2006/42/EC on machines, Annex 1.
  • Page 15: Assembly Drawing

    81 Sealing washer 12 Ring lock 82 Sealing washer 13 Ball bearing 14 Support disc ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nørresundby – Denmark Tel: +45 96 32 81 11 Fax: +45 98 17 54 99 E-mail: desmi@desmi.com...
  • Page 16: Dimensional Sketch

    4xø18 4xø18 H-65- 3/8” BSP 3/8”BSP 8xø18 4xø18 H-80- 3/8” BSP 3/8”BSP 8xø18 8xø18 ______________________________________________________________________________ DESMI Pumping Technology A/S Tagholm 1 9400 Nørresundby – 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:

H-50-160H-50-200H-65-160H-40-160H-65-200H-80-200

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