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Summary of Contents for BOWMAN EC Series
- Page 1 REG NO FM 38224 BS EN ISO 9001-2008 HYDRAULIC OIL COOLER Installation, Operation & Maintenance Guide...
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Page 2: Foreword
E.J. Bowman (Birmingham) Ltd, reserve the right to change specification and technical alteration without prior notice. No part of this guide may be reproduced or transmitted in any form or by any means including reproduction or recording without written ... -
Page 3: Table Of Contents
8 . S P A R E P A R T S 9 . C E M A R K I N G E.J.Bowman (Birmingham) Ltd Chester Street • Birmingham • B6 4AP • United Kingdom Tel: +44 (0)121 359 5401 • Fax: +44 (0)121 359 7495 Email: info@ejbowman.co.uk •... -
Page 4: Safety
Hydraulic Oil Coolers are only approved for cooling hydraulic oil. Any other use unless ® ® specified by BOWMAN is not approved. BOWMAN declines all liability for damage associated or arising from such use. The maximum permissible operating pressure must not exceed: Oil (primary side) 20 bar max. -
Page 5: Potential Hazards
1.3 Potential hazards Ensure the maximum permissible operating pressure on the primary or secondary side of the heat exchanger is not exceeded. The heat exchanger or surrounding equipment may be damaged. NB: before the oil cooler is disconnected it must be allowed to cool sufficiently and be depressurized to prevent injury. -
Page 6: Connecting The Heat Exchanger
Or in series: A filter with a maximum permeability of 2.0mm should be used prior to the inlet of each circuit of the oil cooler. Nothing should be welded to any part of the oil cooler. Each unit has threaded holes on its underside to facilitate mounting. -
Page 7: Notes On Zinc Anodes
There are a number of American and European manufacturers that use these anodes in their products. Bowman, do not fit zinc anodes as the tubes used in the construction of our coolers are of copper nickel alloy and as such do not require a zinc anode. It is possible that if this anode is fitted it can actually destroy the copper oxide film built up by the tube as a natural defence which can allow the tube material to be attacked. -
Page 8: Operation
Maximum fluid velocity through the oil cooler of 2m/s for sea water (ideal sea water flow rates are detailed on page 7) or 3m/s for fresh water must not be exceeded. If in doubt contact ® BOWMAN for guidance. For shipboard installations an information sheet with orifice plate sizes is available. -
Page 9: General Maintenance
While the unit is in operation, weekly inspection of the heat exchanger and its connections should be maintained for leaks and externally visible damage. ® BOWMAN recommend that the tubestack should be cleaned and inspected annually and the o rings should be renewed at this time. -
Page 10: Potential Service Issues
6 Potential Service Issues 6.1 Tube failures The majority of problems facing a heat exchanger are those of corrosion or erosion on the water side. Three common types of failure are: a) Impingement attack (or corrosion/erosion) This is caused by water containing air bubbles flowing at high speed through the tubes. The impingement of rapidly moving water may lead to a breakdown of the protective copper oxide film built up by the tube thus allowing corrosion/erosion. -
Page 11: Warranty
No attempt should be made to repair a faulty unit as this will invalidate the warranty. ® For full warranty terms, please see the BOWMAN Conditions of Sale. A copy of which is available on request or via download from the website: www.ejbowman.co.uk... - Page 12 Scan the QR Code below to your phone for a direct link to our Hydraulic Oil Cooler webpage: - Bowman products can also be found in the following industries: - CHP Power Generation Engine Test House Cooling Marine Cooling Swimming Pool Heating...
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