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  5. AMISCO - Model EVI 7 59 - Solenoid ...

AMISCO - Model EVI 7 59 -Solenoid System

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The EVI7 S9 system by AMISCO includes a wide range of solenoids, coils and operators, designed for pneumatic valves. All solenoids of this system have  the guide tube with a diameter of 9 mm and the plunger with a diameter of 8 mm. The system is designed for use with air.

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COIL
The coil is available in different sizes and with different electrical terminations. Types, power and other characteristics are described in the following pages. All coils feature:

  • heat resistant bobbin moulded with 30% glass filled thermoplastic polyester material
  • class H wire 200°C according to IEC 60317-13
  • built-in magnetic yoke made by low carbon iron
  • encapsulation with high quality specially designed glass filled nylon (thermoset material on demand for 22 mm coil).

The use of other materials is possible upon special agreements. All coils are rated to class F and to IP 65 (with connector). The coil is designed and constructed in accordance to EN 60204.1 and VDE 0580 and it is suitable for industrial ambient conditions. For use in special ambients with high humidity, we suggest the sealed or thermoset version; at any case, please, take contact with Amisco.
 
The coil is also in conformity with 94/9/EC ATEX for electrical apparatus of group II, category 3 (Ex nA II 3 GD T4 or T5). GAS: Ex nA IIC Tx Gc DUST: Ex tc IIIC Tx Dc

OPERATOR
Plunger and core are made by a magnetic stainless steel specially designed for solenoid applications. The guide tube is made with brass (stainless steel is possible upon special agreement). The plunger is normally equipped with NBR rubber seals. Other sealing materials like FKM are available upon demand. The armature assembly is designed for more than 50x106 cycles.

COMPLETE SOLENOID OPERATOR

The coil is fastened to the plungerguide tube by means of a knurled nut for ease of change over without interrupting the pneumatic circuit. The operator can be fixed to the valve body either by a M12x0.5 thread (thread version), or by a mounting plate with screws
(flange version). Amisco doesn`t supply the plate. The suggested interface dimensions of the valve body are shown on the right side.
Any change to the prescribed dimensions can affect the performances of the solenoid.