NEW LIFE series glue guns are built with standard or high-temperature configurations, with one or more modules with different types of centre diameters and nozzles, and with one or more solenoid valves, in order to satisfy the widest range of different requirements. NEW LIFE’s main features are: speeds up to 6.000 cycles/minute, AMX 45 module with double interchangeable gasket cartridge, Zero-Cavity self-cleaning nozzle, protective non-stick casing coating, integrated glue filter which is removable without disassembling the hose. This wide, complete range of different models makes it possible for even most demanding Customer to find the best solutions for any gluing needs.
SOLENOID VALVES
In addition to standard solenoid valves, Preo has developed a new model that is ranked at the top of the market offer. Depending on the applications required, this valve can deliver the highest level solution for tasks that require low energy consumption, high-speed application and small size and weight.
GUN CASING
The casing is built in “Ergal”, an aluminium alloy that considerably improves the product’s resistance to mechanical stress. The hard oxide cover makes gun cleaning and maintenance quick and easy.
ELECTRICAL CONNECTIONS
Removing the electrical kit is easy, simple and safe.
AMX 45 MODULE
All guns are equipped with a new AMX 45 Series module that ensures precise, regulated glue application. This level of performance was possible only because of the special attention dedicated during the design and construction phases. The most important aspect of the AMX 45 module is its innovative gasket system with the double interchangeable cartridge, which guarantees a perfect seal at high pressures and temperatures in addition to simple, inexpensive, and long-lasting maintenance.
THERMAL-HEATING
The gun is heated with highly reliable heating coils controlled by extremely precise sensors.
NOZZLE
The gun is supplied with stainless steel Zero-Cavity selfcleaning nozzles, available with a minimum diameter of 0.25 mm to a maximum of 1.2 mm. Zero-Cavity is the term used for the cut-off that directly closes the nozzle hole, eliminating any possible impurities and guaranteeing the constant cleanliness of the nozzle. This guarantees that the system always works properly. The wide range of nozzles includes a number of configurations and special designs, based on the Customer’s needs. Preo nozzles stand apart from the competition due to their basic technical features, which can be summarized as follows. First: the nozzles are made of durable materials with the highest level of resistance to wear and tear. Second: their thermal conductivity is much greater than the traditional steel, with the advantage of quick heat transmission, at least 8 times higher than normal. Third: concerns the construction geometry, due the fact that multiway
nozzles ensure the same reliability as the traditional Zero Cavity nozzles.
GLUE FILTER
This guarantees better distribution of the glue and prevents nozzles from clogging due to the presence of impurities in the glue. The filter is integrated into the casing, and is easily accessible and can be quickly replaced without disassembling the hose.
The new guns DOUBLE E series, with isolation cover integrated, are available in a wide and complete scale of models to permit the most demanding Costumer to find every time the most suitable solution to each gluing issue. Designed for the distribution of thermoplastic adhesive with high and medium viscosity, they are realized with one or more modules configuration, different center-distances and nozzles and with one or more solenoid valve. The main characteristics of DOUBLE E series are: compact design and reduced dimension perfect for installations in narrow spaces, modular elements, speed up to 8.000 cycles/minute, high reliability with a service life of more than 50 millions cycles, module double effect AMX-45 AOAC (with double interchangeable cartridge), Zero-Cavity self-cleaning nozzle, isolation cover in hard plastic and non-stick protective coating on gun’s case with integrated glue filter removable without disassembling the hose.
SOLENOID VALVES
A large choice of solenoid valves is available, both standard and special expressly developed for guns Double E. Depending on the required applications, these valves can deliver the highest level solution for tasks that require low energy consumption, high-speed application, small size and weight.
INSULATION COVER
Produced in isolating plastic material ideal for high temperature, it protects users from accidental contact. It reduces energy consumption and improves the application quality, keeping adhesive temperature constant.
GUN CASING
The casing is built in “Ergal”, an aluminium alloy that considerably improves the product’s resistance to mechanical stress. The hard oxide cover makes gun cleaning and maintenance quick and easy.
MODULE AMX-45 AO/AC
All guns are equipped with a new AMX-45 AO/AC series module that ensures precise and regulated glue application. This level of performance is possible only because of the special attention dedicated during the design and construction phases. The most important aspect of the AMX-45 AO/AC module is its innovative gasket system with the double interchangeable cartridge, which guarantees a perfect seal at high pressures and temperatures in addition to simple, inexpensive, and long-lasting maintenance. The module is activated by compressed air both in opening and closing. This functionality, together with the Zero-Cavity nozzle, increases the application’s speed and the removal of any tail or “angel hairs” making a clear cut-off (differently from modules with spring closure).
GLUE FILTER
This guarantees better distribution of the glue and prevents nozzles from clogging due to the presence of impurities in the glue. The filter is integrated into the casing, and is easily accessible and can be quickly replaced without disassembling the hose.
NOZZLES
The gun is supplied with stainless steel Zero-Cavity self-cleaning nozzles made of stainless steel, available with a minimum diameter of 0.25 mm to a maximum of 1.2 mm. Zero-Cavity is the term used for the cut-off that directly closes the nozzle hole, eliminating any possible impurities and guaranteeing the constant cleanliness of the nozzle. This guarantees that the system always works properly. The wide range of nozzles includes a number of configurations and special designs, based on the Customer’s needs. Preo nozzles stand apart from the competition due to their basic technical features, which can be summarized as follows. First: the nozzles are made of durable materials with the highest level of resistance to wear and tear. Second: their thermal conductivity is much greater than the traditional steel, with the advantage of quick heat transmission, at least 8 times higher than normal. Third: concerns the construction geometry, due the fact that multi-way nozzles ensure the same reliability as the traditional Zero Cavity nozzles.
PREO flexible high pressure thermo heated hoses convey liquids maintaining their properties unaltered, thanks to the internal constant temperature. They are available in different models: standard and special versions (high temperature, with external water proof braid and with external rigid protective jacket for movement, with external reduced diameter, with inner exchangeable glue tube and with air tube for spray). They are suitable for all different models of dosing systems present on the market and are used in all industrial fi elds requiring high quality, resistance and careful control of the temperature. They are available with different nominal diameters of the internal hose (6, 8, 10, 13, 16, 20 and 25 mm), with lengths that differ from 0,4 up to 12 meters and with working temperature between 50 and 230°C, in order to grant the same application precision, safety and reliability in controlling all different fl ows. The connection end fi ttings are available in a wide range allowing the perfect hydraulic connection between applicator and gun. Manufactured in galvanized steel, on Customer’s request they can be demanded made of other materials (brass, iron, stainless steel) and equipped with different threads (BSP, metric, J.I.C, ASA etc.), in order to fulfil any possible technical or production requirement.
POLYTETRAFLUOROETHYLENE (PTFE) INNER HOSE
Available in different diameters, it is obtained through the extrusion and sintering of Polytetrafl uoroethylene (PTFE). It resists also to particularly aggressive adhesives and to temperatures over 230°C (450°F).
STAINLESS STEEL BRAIDING
Built in stainless steel 18/8-AISI 304, it assures protection and resistance to the working pressures.
HEATING RESISTANCE
It brings the inner hose made of PTFE in temperature and wraps it around. It is of variable power.
TEMPERATURE SENSOR
It detects the material temperature allowing its continuous control.
GLASS FIBER TAPE
It maintains the temperature constant wrapping and protecting the resistance.
QUICK PLUG-IN CONNECTORS
They grant the electric connection between machine and gun. They can be supplied in different typologies and models.
INSULATING FOAM
It helps to keep the temperature to the level required thanks also to the silicon foam with which it is composed.
WIRE CONDUCTORS
Equipped with earth conductors, they supervise to the heating and control of the guns solenoid valve (24V).
PROTECTIVE EXTERNAL BRAIDING
It increases the mechanical resistance against heat, strokes, abrasions wear and handling. It is available in Polyamide or in water-repellent silicon.
END CAPS
The electrical connection takes place here. They can be rigid or made of silicon and thanks to their particular resistance, they protect the hoses ends.
TERMINAL FITTINGS
They are manufactured with different threads and materials in accordance with the specifi c requirement and allow the hydraulic connection between machine and gun granting a perfect tightness in all circumstances.
The new EASY TOUCH Series P applicators for hot-melt adhesives with pneumatic pump are significantly innovative in terms of simplicity of use, productive flexibility, maintenance operations and costs, speed of installation, easy programming, high safety standards, exceptional reliability, and total integration with any existing assembly line. They represent a quality solution for application of thermoplastic hot-melt adhesives in several sectors. The EASY TOUCH systems are equipped with a new microprocessor with 7″ LCD Touch Screen colour display, through which, with a single graphic interface showing all sections of the system (tank, manifold, hoses, and guns). The operator is supported in everyday activities like managing and setting temperatures, pump control, setting machine parameters and glue sections, and integration and communication with any external units, allowing for immediate use of the system even by non-specialized personnel, without any problems involving codes or foreign languages to be interpreted. The EASY TOUCH melters have a new melting tank, entirely redesigned, to distribute the heat more evenly over the entire surface, thus obtaining a more precise and effective melt, with significant energy savings. The particularly well-finished design makes the system appreciable even in aesthetic terms. Every part of the applicator can be inspected easily by opening the practical body system. EASY TOUCH Applicators – customizable in several configurations and capable of satisfying all gluing needs – allow the operator to work in complete safety and to significantly optimize application times without wasting time uselessly.
NEW MICROPROCESSOR WITH 7″ TOUCH SCREEN DISPLAY
The following are some of the main functions of the new user interface: sequential channel heating, machine ready and pump start signals, absolute maximum temperature protection system, Economy Dual Mode, Weekly Program with Daily ECO function, colour status button with real time diagnostics and Screen Saver function, hose-gun coupling thermal regulation deactivation, LOG file for system register, Life Hours/Work Hours/Pump Cycles counter, machine parameters and Firmware updates uploaded and downloaded through a USB port, customizable system section and glue program names, and parameter Copy/Paste function.
P1 Series – NEW MELTING TANK WITH 1.5 L CAPACITY
The new tank was entirely redesigned to ensure perfect efficiency in terms of melting evenness and capacity. The large loading inlet open on 3 sides makes filling easier, optimizing cleaning and maintenance operations. The heaters are positioned on the bottom of the tank and across the melting fins, and are specifically designed to create a special grid to improve the melting of the glue more efficiently, so it can slide directly towards the pump drawing spot. This heating system allows a homogeneous and uniform distribution of the heat improving the thermal efficiency of the whole system with a consequent energy saving. The rapid discharge facilitates the collection of any impurities in the adhesive or burnt glue residue, conveying them to a single sump and preventing them from being sucked up by the pump and causing a machine shutdown, also allowing for quick cleaning operations either for maintenance purposes or to replace the adhesive.
P5, P10, P15, P20 Series – NEW MELTING TANK WITH 4.5 L TO 20 L CAPACITY
The new tank was entirely redesigned to ensure perfect efficiency in terms of melting evenness and capacity. The large loading inlet open on 3 sides makes filling easier, optimising cleaning and maintenance operations. The shaped resistance positioned on the bottom of the tank distributes heat evenly and improves thermal efficiency throughout the system, thus resulting in energy savings. The tank bottom slope (about 20°), and the melting fins – positioned parallel to the upper edge of the tank in a fan-shaped configuration – were designed specifically to melt the glue more effectively, so it can slide directly towards the pump drawing spot. The rapid discharge – located at a lower level and on the opposite side compared to the drawing spot – facilitates the collection of any impurities in the adhesive or burnt glue residue, conveying them to a single sump and preventing them from being sucked up by the pump and causing a machine shutdown, also allowing for quick cleaning operations either for maintenance purposes or to replace the adhesive.
ELECTROMAGNETIC INVERSION SYSTEM
Guarantees absolute precision in the pneumatic pump inversion cycle, thus assuring that the adhesive flow rate is always constant and balanced, significantly reducing the lack of adhesive during the inversion cycle. The use of reed-switch type proximity sensors (protected and sealed inside the electronic cylinder, and therefore never in contact with the outside environment and not subject to wear) increases the reliability of life cycles, reducing machine shut-downs for malfunctions or maintenance, giving the system mechanical solidity, in addition to resistance to environmental conditions and to electrical and electromagnetic disturbances.
HIGH PRECISION PNEUMATIC PUMP
The 14:1 dual-effect piston pump is ideal for melting and applying adhesives and thermoplastic materials with a viscosity of up to 30,000 Cps. Treated with a hard oxide coating, it is easy to extract in case of maintenance or replacement operations. The bottom of the pump is inspectable in order to check the conditions of the suction sphere.
GLUE FILTER
Easy to access and replace, it guarantees excellent quality of application, preventing impurities in the adhesive from clogging the nozzles. There is a wide range of available models (with single or multi-layer filtering micro-mesh, and different pitches starting from 200 micron) depending on the type of adhesive used.
AUTOMATIC PRESSURE RELIEF VALVE
A standard part, it guarantees maximum safety during operation by automatically discharging residual pressure in case of emergency or system shut-down.
The new EASY TOUCH Series W applicators for hot-melt adhesives with gear pump are significantly innovative in terms of simplicity of use, productive flexibility, maintenance operations and costs, speed of installation, easy programming, high safety standards, exceptional reliability, and total integration with any existing assembly line. They represent a quality solution for application of thermoplastic hot-melt adhesives in several sectors. The EASY TOUCH systems are equipped with a new microprocessor with 7″ LCD Touch Screen colour display, through which, with a single graphic interface showing all sections of the system (tank, manifold, hoses and guns). The operator is supported in everyday activities like managing and setting temperatures, pump control, setting machine parameters and glue sections, and integration and communication with any external units, allowing for immediate use of the system even by non-specialized personnel, without any problems involving codes or foreign languages to be interpreted. The EASY TOUCH melters have a new melting tank, entirely redesigned, to distribute the heat more evenly over the entire surface, thus obtaining a more precise and effective melt, with significant energy savings. The particularly well-finished design makes the system appreciable even in aesthetic terms. Every part of the applicator can be inspected easily by opening the practical body system. EASY TOUCH Applicators – customizable in several configurations and capable of satisfying all gluing needs – allow the operator to work in complete safety and to significantly optimize application times without wasting time uselessly.
NEW MICROPROCESSOR WITH 7″ TOUCH SCREEN DISPLAY
The following are some of the main functions of the new user interface: sequential channel heating, machine ready and pump start signals, absolute maximum temperature protection system, Economy Dual Mode, Weekly Program with Daily ECO function, colour status button with real time diagnostics and Screen Saver function, hose-gun coupling thermal regulation deactivation, LOG file for system register, Life Hours/Work Hours/Pump Cycles counter, machine parameters and Firmware updates uploaded and downloaded through a USB port, customizable system section and glue program names, and parameter Copy/Paste function.
GEAR MOTOR
The applicators are fitted with variable speed AC motors controlled by an inverter positioned horizontally to obtain reduced overall dimensions and easy access both for inspection and maintenance, thanks to a quick connector and an easy to open body system.
NEW MELTING TANK – RANGES FROM 1.5 L TO 20 L CAPACITY
The new tank was entirely redesigned to ensure perfect efficiency in terms of melting evenness and capacity. The large loading inlet open on 3 sides makes filling easier, optimizing cleaning and maintenance operations. The heaters are positioned on the bottom of the tank and across the melting fins, and are specifically designed to create a special grid to improve the melting of the glue more efficiently, so it can slide directly towards the pump drawing spot. This heating system allows a homogeneous and uniform distribution of the heat improving the thermal efficiency of the whole system with a consequent energy saving. The rapid discharge facilitates the collection of any impurities in the adhesive or burnt glue residue, conveying them to a single sump and preventing them from being sucked up by the pump and causing a machine shutdown, also allowing for quick cleaning operations either for maintenance purposes or to replace the adhesive.
GLUE FILTER
Easy to access and replace, it guarantees excellent quality of application, preventing impurities in the adhesive from clogging the nozzles. There is a wide range of available models (with single or multi-layer filtering micro-mesh, and different pitches starting from 200 micron) depending on the type of adhesive used.
HIGH PRECISION GEAR PUMP
Gear pumps of different capacities (0,8 – 3,0 – 7,0 – 10 and 20 cc/rev) are available with the same dimensions. These pumps are absolute precise and reliable, made of fully hardened super-quick steel. Like all internal parts of the applicator, the pump is also easy to remove in case of maintenance or replacement.
PRESSURE CONTROL DEVICE
A sophisticated control system shows the adhesive output pressure on the applicator display. This view can be combined with a traditional digital pressure gauge that shows the pressure of the adhesive in bars.
QUICK PRESSURE RELEASE AND REGULATION VALVE
Maintains the pressure at the amount set, and ensures the utmost safety during system use. Adhesive pressure is released into the system automatically and safely, also in the event of an emergency.
