Hopper Loaders S Series English The design criteria and the construction modalities of these Single-phase Loaders put the S Series at the top of quality and performance. The workmanship, the body entirely made out of stainless steel (AISI 304), the highly reliable vacuum blower and the micro processor control, guarantee excellence of performance of all models. Customers. The core of our innovation
Hopper Loaders S Series The design criteria and the construction modalities of these Single-phase Loaders put the S Series at the top of quality and performance. The workmanship, the body entirely made out of stainless steel (AISI 304), the highly reliable vacuum blower and the micro processor control, guarantee excellence of performance of all models. The hopper loader mounting flange, made of cast aluminium, allows 360 rotation for flexible positioning. S Series range S43 and S40 Hopper Loaders on MDT 1 Masterbatch Doser
Hopper Loaders S Series Quality of details > Body -mirror-polished stainless steel - accurate finishing of all weld-points (plasma welding in inert gas atmosphere) - specific design that allows uniform descent with absence of jaing of all granules - filter cleaning air exhaust port with stainless steel mesh protection > Lid - three clasps guarantee sealing of closure - hinged to the body for easy opening and access to the filter > Flap - equipped with gasket to improve vacuum sealing Inspection door and adaptor ring S43 Hopper Loader Hinged lid and toggle
Enhanced control The S Series loaders are equipped with a powerful micro processor control box, which is part of the Easy 2 System project, the solution of Piovan in the field of resin conveyance. All operating parameters are pre-set, so that the loader be ready for operation the moment power is connected. The loading cycles are adjusted for optimal functionality as well as the automatic filter cleaning function that operates before and after*. Regular operation and alarm conditions are signalled by green and red LED s positioned at the base of the control box. * Only with filter cleaning option A B A Normal operation B Alarm condition The operation parameters of the unit can be personalised with the use of the mini keypad, which allows the following set-ups: > loading time > idle time (generally adjusted to manage the accumulation of regrind for applications with beside-the-press granulators) > VP proportional valve (to adjust proportions between virgin and regrind) > maximum number of failed material loads > filter cleaning function (before and/or after the loading cycle) The mini keypad displays the regular operation and alarm conditions signalled by the LED s. A serial counication port is available upon request. Power connector Setting loading time Remote keypad
Hopper Loaders S Series Highly reliable vacuum blower The Soft Start function is what increases the life of the vacuum blower. The power supply to the vacuum blower is gradually applied so that the reliability of the most stressed component of a single-phase loader be considerably improved. The micro-processor control monitors the operation condition of the blower motor. Three alarm levels warn the status of wear of the motor brushes, of which the third stops the motor from operating until new brushes are installed. Voltage (V) standard blower start Soft Start All models are equipped with filter-clog differential pressure switch to constantly check the status of impurities and powder presence on the filter. This is an additional element that contributes to ensure long life of the vacuum blower. 0 0,5 1 1,5 2 Time (s) Paper filter S40: compact and accurate The S40 is the most compact model of the S series. It is specifically suited to convey masterbatch or additives and can be used to feed small tonnage injection moulding machines. With the automatic filter cleaning function, the S40 is the ideal choice for applications with engineering polymers. S40 filter cleaning system
Proportional valve The VP Proportional Valve finds application when virgin and regrind materials are to be fed to the injection moulding machine. The mini keypad will allow set-up of the operating parameters for the VP. Options > VP proportional valve > Automatic filter cleaning, to allow reduction of frequency for manual filter cleaning > Acoustic alarm with adjustable tone > Mini keypad > Mini keypad with RS485 serial counication port VP Proportional Valve Technical Data S40 S41 S43 S45 A B 30 185 40 185 40 280 40 280 C C D 435 280 515 365 575 660 365 365 ø A Motor power W 1000 1000 1000 1000 Power supply / Frequency V/Hz 230 / 50-60 230 / 50-60 230 / 50-60 230 / 50-60 Vacuum receiver capacity dm 3 Static vacuum kpa 1.5 3 5 10 21 21 21 21 ø B Maximum noise level Weight db(a) kg 83 83 83 83 9 10.5 11,5 12 D
Hopper Loaders S Series Proportional Valve Air pressure required Air consumption at 6 bar approx Absorbed power Dimensions Weight bar Nl W kg 6 8 0.7 5 275x265x142 5 Capacity kg/h 200 180 160 140 120 100 Hopper Loaders S Series Bulk Density: 0.6 kg/dm 3 Vertical Distance: 4 m S43 S45 80 60 40 20 S41 S40 0 0 2 4 6 8 10 12 14 16 18 20 Horizontal Distance m
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