Solenoid Valves, Pneumatic Cylinders, Fittings, Air Treatment - fidemar

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Solenoid Valves, Pneumatic Cylinders, Fittings, Air Treatment Groups - METAL WORK Metal Work BELGIE VINKENBAAN 19 1820 PERK BELGIE TEL. 02/7516120 FAX 02/7516161 MetalWork S.p.a. - via Segni, 5-7-9 25062 Concesio (Brescia) - Italy Tel +39 30 218711 Fax +39 30 2752106 E-mail: metalwork@metalwork.it http://www.metalwork.it/eng/mwbelg.html [8/3/2001 03:31:01 p.m.] E n g l i s h I t a l i a n o you are in > sales network > Metal Work in the world > belgium • HOME • NEWS & EVENTS • COMPANY • CLUB • SALES NETWORK P Service Italy Metal Work in the world Italian vendors Foreign vendors • PRODUCTS • NEW PRODUCTS • ADVERTISEMENT • INTRODUCTION • CONTACT US World wide :
Solenoid Valves, Pneumatic Cylinders, Fittings, Air Treatment Groups - METAL WORK A new point of view. The new classification of solenoid valvespost-MULTIMACH. E n g l i s h I t a l i a n o It has only taken a few years to entire reclassify solenoid valves. Up until a few years ago they were divided into two large families: in-line valves with pneumatic connections made directly on the valve body valves on a base with pneumatic connections on the base, single or series versions. Another family has recently been added. Valves grouped in so-called units, a sort of pneumatic distribution centre which considerably simplifies both pneumatic and electrical connections. Various sizes have been made for each of these three families and they are normally identified by references to the size of the connection (1/8 or 6/4 pipe), flow rates (300 Nl/min., 800 Nl/min., etc,) and the type of base to which they are connected. Each size comes with different components – body, spool, gasket, solenoid, etc. – and different dimensions, which makes it very difficult to combine valves of different sizes in a single series. But pneumatic actuators (cylinders, etc.) with different bores and hence different consumptions are often used in automatic machines, each one being connected to a solenoid valve. In-line valves are used when there is a limited number of actuators or they are situated far apart. The existence of various actuator bores is no particular problem – it is sufficient to select the right valve for each actuator and insert the various valves where required without forming a series. Centralisation of pneumatic distribution is becoming more frequent and involves the need to group solenoid valves together. This can be done by using multiple or modular bases where valves can be stacked in line or on a base, which is rather complicated when building systems as the user has to do. The need for different capacities is solved here too by using two or more sizes of solenoid valve but, with the addition of elements called adapters which allows bases of different sizes to be connected together, it is necessary to position all valves of the same size next to each other, which sometimes makes the flow of pipes from the actuators very disorderly if not chaotic. The development of grouped valves, i.e. units, has meant simplifying the system since such systems were designed solely for grouping several solenoid valves in one series or another with centralised electrical and pneumatic connection. But units currently on the market come in different sizes, capacities and dimensions, and it is impossible to build a single series to supply all the different actuators in the system. The user must thus use units of different sizes or select a size which may be smaller or larger than the flow rate required. With the MULTIMACH system, Metal Work has created a new model of pneumatic distribution unit and a new family of valves at the same time, namely - multi-size valves with different flow rates but very similar dimensions so that a single series can be made. Valves with different capacities (150-400-800 Nl/min.) can be combined in Multimach systems to get a truly centralised distribution system for all pneumatic actuators in automatic machines. There is no need for a size adapter and it is not necessary to order units of different sizes or increase or reduce the size. Merely select the right valve with proportion to the actuator and fit them one next to the other in the best order to optimise actuator pipe flow. When designing the Multimach, Metal Work has taken a completely different route with respect to the past, not different sizes with specially designed components, but rather different sizes with the same components, making the necessary modification to vary the flow rate. We have always borne in mind the need to make a single series without affecting the layout of the various valves and the possibility of increasing or decreasing the number of solenoid valves without forcing the user to select units with more http://www.metalwork.it/eng/3.html (1 of 2) [8/3/2001 03:31:09 p.m.] you are in > club • HOME • NEWS & EVENTS • COMPANY • CLUB • SALES NETWORK • PRODUCTS • NEW PRODUCTS • ADVERTISEMENT • INTRODUCTION • CONTACT US World wide :
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Solenoid Valves, Pneumatic Cylinders, Fittings, Air Treatment - fidemar

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