Alfa Laval Port filter Instruction Manual
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Alfa Laval Port filter Instruction Manual

Alfa Laval Port filter Instruction Manual

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Port filter
Instruction for Port Filters for Gasketed plate heat exchanger
Introduction
This manual provides information needed to install, operate and carry out
maintenance of the port filter used for gasketed plate heat exchanger with port
size 200 mm or larger.
Intended use
The intended use of this equipment is to prevent foreign objects from entering
and causing clogging in gasketed plate heat exchangers.
All other use is prohibited. Alfa Laval will not be held responsible for injury or
damage if the equipment is used for any other purpose than the intended use
described above.
Environmental compliance
Alfa Laval endeavours to perform its own operations as cleanly and efficiently
as possible, and to take environmental aspects into consideration when
developing, designing, manufacturing, servicing and marketing its products.
Waste management
Separate, recycle, or dispose of all material and components in a safe, and
environmentally responsible way, or according to national legislation or local
regulations. If there is any uncertainty regarding what material a component is
made of, contact the local Alfa Laval sales company. Use a certified (ISO
14001 or similar) scrapping or waste handling company.
Unpacking
Packing material consists of wood, plastics, cardboard boxes and, in some
cases, metal straps.
• Wood and cardboard boxes can be reused, recycled or used for energy
recovery.
• Plastics should be recycled or burnt at a licensed waste incineration plant.
• Metal straps should be sent for material recycling.
200001927-2-EN-GB
This document and its contents are subject to copyrights and other intellectual property rights owned by Alfa Laval Corporate AB. No part of this document may be copied, re-produced or
transmitted in any form or by any means, or for any purpose, without Alfa Laval Corporate AB's prior express written permission. Information and services provided in this document are
made as a benefit and service to the user, and no representations or warranties are made about the accuracy or suitability of this information and these services for any purpose. All rights
are reserved.
© Alfa Laval Corporate AB
How to contact Alfa Laval
Up-to-date Alfa Laval contact details for all countries are always available on our website at www.alfalaval.com
Instruction Manual

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Summary of Contents for Alfa Laval Port filter

  • Page 1 200001927-2-EN-GB This document and its contents are subject to copyrights and other intellectual property rights owned by Alfa Laval Corporate AB. No part of this document may be copied, re-produced or transmitted in any form or by any means, or for any purpose, without Alfa Laval Corporate AB’s prior express written permission. Information and services provided in this document are made as a benefit and service to the user, and no representations or warranties are made about the accuracy or suitability of this information and these services for any purpose.
  • Page 2 Maintenance • All metal parts should be sent for material recycling. • Oil and all non-metal wear parts must be taken care of in accordance with local regulations. Scrapping At end of use, the equipment shall be recycled according to relevant, local regulations.

  • Page 3: Safety Considerations

    Safety Safety considerations The port filters shall be used and maintained in accordance with Alfa Laval’s instructions in this manual. Incorrect handling of the port filters may result in serious consequences with injuries to persons and/or property damage. Alfa Laval will not accept responsibility for any damage or injury resulting from not following the instructions in this manual.

  • Page 4: Working At Height

    Protective goggles A pair of tight-fitting eyeglasses worn to protect the eyes from hazards. Protective gloves Gloves that protects the hand from hazards. Working at height If the installation requires working at a height of two meters or higher, safety arrangements must be taken in consideration.
  • Page 5 Description Components The port filter consists of a cylindrical meshed tube with a flange in one end. The length of the filter tube is adapted for the total length of the plate pack including the thickness of the frame and pressure plate. The conical guide ring is inserted at the opposite port and keep the filter tube centered after installation.

  • Page 6: Installation

    Installation Unpacking Follow the instruction below to unpack the components of the port filter WARNING Risk of personal injury. There can be sharp edges, splinters, and nails on the crate and the equipment. Wear personal protective equipment when handling the equipment during unpacking and installation.

  • Page 7: Before Installation

    Before installation Preparation of the plate heat exchanger before installation of the port filter. 1. Prepare the installation area around the plate heat exchanger and ensure that required space is available. 2. Installing port filter into an existing plate heat exchanger require preparation to ensure that correct port arrangement is in place for the installation.
  • Page 8 Shut-down NOTE If several pumps are included in the system, make sure you know which one should be stopped first. Slowly close the valve controlling the flow rate of the pump you are about to stop. When the valve is closed, stop the pump. Repeat the two steps for the other side for the second media.
  • Page 9 Installation of port filter Installation of the port filter can be done when all preparation has been performed with shut-down and isolating the plates heat exchanger. NOTE The port filter length is precisely adapted to the specific plate heat exchanger. Modifications to the plate heat exchanger may make the port filter not fit the dimensions of the plate heat exchanger anymore.
  • Page 10 Remove the connection flange pipe on the frame plate by loosening all nuts. CAUTION Risk of personal injury. The connection flange pipe is heavy and it is required to use lifting equipment. Follow the lifting instructions from the manufacturer of the connection flange pipe.
  • Page 11 Attach one flange gasket at the port in the pressure plate if not already in place. Insert the port filter into the port in the pressure plate. a) For large port filter use lifting equipment.
  • Page 12 Protect the threads of the tightening bolts by sliding a metal tube over the tightening bolt. Thread the port filter tube over the cone at the opposite port by pushing the lower part of flange against the port and pull the upper part to guide the tube over the cone.
  • Page 13 11 Attach the flange connection and fasten the nuts. NOTE Adjusting of pipings Be aware that minor adjustment of the piping may be necessary as the thickness of the flange gasket and the flange of the port filter are added to the installation. 200001927-2-EN-GB...

  • Page 14: Operation

    Operation Start-up During the start-up, check that there are no visible leakages from the plate pack, valves or piping system. CAUTION Risk of leakage. If the temperature of the plate heat exchanger is below the minimum temperature for the gaskets prior to the service, it is recommended to heat the plate heat exchanger above this limit to avoid cold leakage.
  • Page 15 Open the air vent and start the pump. Open the valve slowly. NOTE Avoid rapid temperature changes in the plate heat exchanger. With media temperatures over 100 °C, slowly increase the temperature, preferably at least for one hour. When all the air is expelled, close the air vent.

  • Page 16: Maintenance

    Maintenance To keep a high performance of the plate heat exchanger the port filter needs to be cleaned at regular intervals. The frequency depends on volume of clogging or impurities in the media. Indicators of clogging filters can be pressure drop over the plate heat exchanger or difficulties to reach design temperature.
  • Page 17 Remove flange gasket Grip around the port filter flange and pull out the port filter. If stuck, use a sharp tool to loosen it from the gasket. Use lifting equipment and arrange it according to...
  • Page 18 If clogging is present in the plate pack follow instruction in the Instruction Manual for the plate heat exchanger. Re-insert the port filter, follow instruction in Installation of port filter. 200001927-2-EN-GB...

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