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Gasketed Plate Heat Exchangers

ParaFlow Instruction Manual

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Summary of Contents for APV ParaFlow

Page 1: ......

Page 2: ...1 Read and understand this manual prior to operating or servicing this product Gasketed Plate Heat Exchangers ParaFlow Instruction Manual...

Page 3: ...has cooled below 40 C 105 F See page 23 Never open an APV heat exchanger which is under pressure from any source See page 23 Never open an APV plate heat exchanger with piping connected to the followe...

Page 4: ...1 Assembly drawing 15 4 2 2 General arrangement drawing 16 4 2 3 PHE Plate Arrangement drawing 16 4 3 Name plate 16 5 Handling 17 5 1 Lifting 17 6 Installation 18 6 1 Foundation 18 6 2 Space requirem...

Page 5: ...4 9 5 Re assembly 29 9 6 Maintenance of in line filter 33 10 Spare Parts Identification and Ordering 34 10 1 Identification of spare parts 34 11 Troubleshooting 35...

Page 6: ...s instruction manual and the order and product documents the order and product specific documents take precedence APV PHE Plate Arrangement Drawing APV Assembly Drawing which may be integrated with th...

Page 7: ...with important information on operating your APV Plate Heat Exchanger This manual covers the APV ParaFlow gasketed plate heat exchangers Separate publications describe other APV equipment Read this m...

Page 8: ...the plate pack and any additional connections 3 End support for supporting the top and bottom bars 4 Top bar for carrying and guiding the follower and plate pack 5 Bottom bar for guiding the follower...

Page 9: ...or supporting the top and bottom bars 4 Top bar for carrying and guiding the follower and plate pack 5 Bottom bar for guiding the follower and plate pack 6 Tie bars for clamping the plate pack between...

Page 10: ...tached to the plates forming a seal between the heat exchanging fluids and the surroundings In the example shown here the cold fluid blue enters at the bottom and the hot fluid red at the top 2 2 Fram...

Page 11: ...connections left right Parallel plates have both flow inlet and outlet ports on the same side e g left side for the hot medium and right side for the cold medium For diagonal plates however if the flu...

Page 12: ...and removal L Note Use of a spray screen is recommended whenever corrosive liquids or high temperatures present a safety hazard to personnel A spray screen may be supplied for new or existing plate h...

Page 13: ...ischarged from the space between the two walls into the atmosphere and avoid cross contamination When leakage from a plate heat exchanger containing DuoSafety plates is observed immediate action must...

Page 14: ...refore important to prevent fouling and clogging of the welded passage If fouling in the welded passage cannot be prevented then cleaning must be done by circulating a cleaning solution It is recommen...

Page 15: ...s are designed and manufactured with due consideration and care for generally accepted safety standards As with any mechanical device the proper and safe performance of the equipment depends on safe h...

Page 16: ...t be reported immediately Check the equipment according to the documentation provided with the shipment Any deviations must be reported immediately 4 2 Documents The following documents are included w...

Page 17: ...cally by the plate diagram shown on the arrangement drawing The drawing summarizes the plates and gaskets in the plate heat exchanger design The summary includes plate types angles thickness and mater...

Page 18: ...given for the equipment Always maintain the minimum angle between the lifting wires in order not to exceed the allowable wire tension The angle should not exceed 120 at any time If the ceiling height...

Page 19: ...sure sufficient space around the plate heat exchanger 6 3 Connections If the plate heat exchanger has liquid connections on the follower it is important that the compressed dimension is checked agains...

Page 20: ...and dry environment away from sunlight It must be protected by a waterproof cover against water and debris however still allowing for air circulation Ozone producing equipment salt air and other corro...

Page 21: ...hanger is provided with shut off valves at the inlets these should be closed prior to start up and then opened slowly after pump start up For sanitary heat exchangers with multiple sections also read...

Page 22: ...quickly evaporate Where CIP cleaning is carried out at regular intervals check approximately 30 minutes after starting the circulation of hot CIP liquid thoroughly inspecting the floor below the plate...

Page 23: ...e avoided Shock cooling of the heat exchanger may cause leakages due to sudden contraction of the sealing gaskets All liquids should be drained from the heat exchanger after shut down to prevent preci...

Page 24: ...r Loosening and tightening of tie bars in the APV Medium and Small range plate heat exchangers can normally be accomplished with ratchet wrenches spanners Larger units require hydraulic equipment or p...

Page 25: ...00 mm 4 ft remove all tie bars except 1 to 4 Loosen tie bars 1 to 4 moving in that order in increments of max 25mm until all tie bars become loose When using hydraulic tightening units ensure that eac...

Page 26: ...rush water and a cleaning agent Cleaning agents must not be aggressive or corrosive to the plates or the gaskets If in doubt contact the cleaning agent supplier Cleaning agents should always be used a...

Page 27: ...low Good results are also possible with same direction flow and at higher velocities than the product flow velocity The cleaning solution must be circulated at sufficient velocity to flush out the pro...

Page 28: ...termination of correct CIP system The heat exchanger must be opened for inspection at regular intervals This is necessary especially during the initial start up period until experience has been gained...

Page 29: ...Nitric acid can seriously damage NBR and other types of rubber gaskets Non organic deposits can be removed by special APV Clean Several alternatives to Nitric acid can be used e g Phosphoric acid up t...

Page 30: ...ses for removing the glued gasket correctly and fitting of new gaskets correctly consult APV service 9 5 Re assembly Wipe the top bar clean with a soft cloth Apply suitable grease on the hanging surfa...

Page 31: ...be placed in their positions In the process below dimension X is the final intended compressed dimension of the plate pack For small to mid sized units Distance between bars 1 and 3 1200 mm Compress...

Page 32: ...that head and follower are kept parallel during the compression work In this regard compression must be measured at the top middle and bottom sides Measurements are to be taken close to the tie bars A...

Page 33: ...and old plates the plates must always be compressed to full contact Due to tolerances the full plate contact is attained between maximum and minimum compressed pitch Full plate contact is indicated b...

Page 34: ...l faced gasketed blind flange on the follower 5 Carefully pull out the in line filter through the follower 6 Clean the filter with water and brush Soap which is not damaging the filter material AISI 3...

Page 35: ...eat exchanger plates the last four digits of the item number are also stamped near one end of the plate On some gaskets the part number may be moulded on the gasket Plate punch code and plate inversio...

Page 36: ...e rating of the heat exchanger If the unit continues to leak after the pressure is reduced the plates or gaskets might be damaged or gaskets aged and may require replacement Tighten the heat exchanger...

Page 37: ...s certifications and local representatives please visit www apv com SPX Corporation reserves the right to incorporate our latest design and material changes without notice or obligation Design feature...

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