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Alfa Laval Frontline Widestream Plate Heat Exchanger.

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Application
Pasteurisation and general cooling/heating of fruit juices and other
liquid food products which contain pulp or fibres.
Working principle
A plate heat exchanger consists of a pack of corrugated metal plates
with port holes for the passage of two fluids between which heat
transfer will take place.
The plate pack is assembled between a fixed frame plate and a
movable pressure plate and compressed by tightening bolts.
The plates are fitted with a gasket which seals the inter-plate channel
and directs the fluids into alternate channels. The number of plates
is determined by the flow rate, physical properties of the fluids and
the temperature program.
Connections may be located in frame plate and pressure plate and if
multi section PHE, also in connection plate.
Frame
The plates and the pressure plate are suspended from an upper
carrying bar and located by a lower guiding bar, both of which are
fixed to the support column. The tightening bolts are equipped with
ball bearing washers in order to facilitate opening and closing of the
unit. The frame and support column have adjustable feet.
One unit may contain several heat exchangers, separated by
connection plates with interchangeable connections.
The WideStream® plate
The WideStream® plate has a special pattern with few contact
points, which allows products containing pulp & fibres to pass without
blocking the passages. This results in long operational times without
interruptions. The ports have a diameter enabling cleaning in place
(CIP) with the same flow used in the process itself. The minimum
of contact points between the WideStream® plates results in easy
cleaning with short cleaning cycles. The plate pattern is designed for
efficient backflushing with free reverse flow.
The WideStream® plate can be used together with other plates in
the same heat exchanger frame.

The plate pack
The corrugation of the plates provides a passage between the plates
and supports each plate against the adjacent one. It also enhances
the turbulence, resulting in efficient heat transfer.
The Alfa Laval hanging system enables easy handling of the plates in
the frame. Furthermore the corner guiding provides a strong plate
pack. The plates are reversible and have parallel flow, which means
that only one type of gasket is needed.

Application
Pasteurisation and general cooling/heating of fruit juices and other
liquid food products which contain pulp or fibres.
Working principle
A plate heat exchanger consists of a pack of corrugated metal plates
with port holes for the passage of two fluids between which heat
transfer will take place.
The plate pack is assembled between a fixed frame plate and a
movable pressure plate and compressed by tightening bolts.
The plates are fitted with a gasket which seals the inter-plate channel
and directs the fluids into alternate channels. The number of plates
is determined by the flow rate, physical properties of the fluids and
the temperature program.
Connections may be located in frame plate and pressure plate and if
multi section PHE, also in connection plate.
Frame
The plates and the pressure plate are suspended from an upper
carrying bar and located by a lower guiding bar, both of which are
fixed to the support column. The tightening bolts are equipped with
ball bearing washers in order to facilitate opening and closing of the
unit. The frame and support column have adjustable feet.
One unit may contain several heat exchangers, separated by
connection plates with interchangeable connections.
The WideStream® plate
The WideStream® plate has a special pattern with few contact
points, which allows products containing pulp & fibres to pass without
blocking the passages. This results in long operational times without
interruptions. The ports have a diameter enabling cleaning in place
(CIP) with the same flow used in the process itself. The minimum
of contact points between the WideStream® plates results in easy
cleaning with short cleaning cycles. The plate pattern is designed for
efficient backflushing with free reverse flow.
The WideStream® plate can be used together with other plates in
the same heat exchanger frame.

The plate pack
The corrugation of the plates provides a passage between the plates
and supports each plate against the adjacent one. It also enhances
the turbulence, resulting in efficient heat transfer.
The Alfa Laval hanging system enables easy handling of the plates in
the frame. Furthermore the corner guiding provides a strong plate
pack. The plates are reversible and have parallel flow, which means
that only one type of gasket is needed.

Application
Pasteurisation and general cooling/heating of fruit juices and other
liquid food products which contain pulp or fibres.
Working principle
A plate heat exchanger consists of a pack of corrugated metal plates
with port holes for the passage of two fluids between which heat
transfer will take place.
The plate pack is assembled between a fixed frame plate and a
movable pressure plate and compressed by tightening bolts.
The plates are fitted with a gasket which seals the inter-plate channel
and directs the fluids into alternate channels. The number of plates
is determined by the flow rate, physical properties of the fluids and
the temperature program.
Connections may be located in frame plate and pressure plate and if
multi section PHE, also in connection plate.
Frame
The plates and the pressure plate are suspended from an upper
carrying bar and located by a lower guiding bar, both of which are
fixed to the support column. The tightening bolts are equipped with
ball bearing washers in order to facilitate opening and closing of the
unit. The frame and support column have adjustable feet.
One unit may contain several heat exchangers, separated by
connection plates with interchangeable connections.
The WideStream® plate
The WideStream® plate has a special pattern with few contact
points, which allows products containing pulp & fibres to pass without
blocking the passages. This results in long operational times without
interruptions. The ports have a diameter enabling cleaning in place
(CIP) with the same flow used in the process itself. The minimum
of contact points between the WideStream® plates results in easy
cleaning with short cleaning cycles. The plate pattern is designed for
efficient backflushing with free reverse flow.
The WideStream® plate can be used together with other plates in
the same heat exchanger frame.

The plate pack
The corrugation of the plates provides a passage between the plates
and supports each plate against the adjacent one. It also enhances
the turbulence, resulting in efficient heat transfer.
The Alfa Laval hanging system enables easy handling of the plates in
the frame. Furthermore the corner guiding provides a strong plate
pack. The plates are reversible and have parallel flow, which means
that only one type of gasket is needed.

Flow principle of a plate heat exchanger
Plate Types
Front6 WideStream®, Front8 WideStream®
Other plates of the FrontLine series are the Front and Gemini plates.
The gasket
The FrontLine™ plates are supplied with glue-free Clip-On gaskets,
which are easy to replace even with the plates still hanging in the
frame. The materials of the gaskets are selected for safe use in
connection with food products.

WideStream® plate
Standard Materials
Plates
Stainless steel AISI 316 - thickness 0.7 mm
Titanium - thickness 0.9 mm
Gaskets
High Temperature Nitrile-FDA. Clip-On design.
Frame
Frame and pressure plate in solid stainless steel. All wetted parts in
acid proof stainless steel. Other surfaces in various grades of stainless
steel. Movable nuts on tightening bolts in chromium plated brass.
Technical Data
Mechanical design pressure (g) / Temperature
FRM 7 bar / 150 °C
Complies with European Pressure Equipment Directive (PED), may
carry the CE mark depending on the design conditions.
Connections
DIN, SMS, Tri-CLAMP, B.S./RJT and IDF/ISO male parts. Others on
request
Plates
Options
A. Thermometer pocket and nib with ventilation cock1)
B. Thermometer pocket1)
C. Connection for 51 mm pressure transmitter1)
D. Protection sheet
E. Bolt protections of stainless steel
F. 3-A finish
G. Connections in titanium or SMO (frame and pressure plate)
H. Extended legs
I. Extra standard wrench or pneumatic tightening tool
J. Test certificates and material certificate
K. Testing by authorized inspection companies
All options are not available on all models.
1) At through pass corners in connection plates.

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