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Direct operated solenoid valves Series 300 Functional schematic Normally Open (N.O.) 3/2 or 2/2 Normally Closed (N.C.) 3/2 or 2/2 ACTUATED AT REST 3 3 1 =INLET PORT 2 = OUTLET PORT 3 = EXHAUST PORT (Plugged if 2/2) 1 Air distributiOn ACTUATED AT REST 3 3 2 1 2 3 1 1 2 2 2 1 1 3 1 2 2 2 1 1 Construction characteristics Electrical parts: Solenoids: the solenoid consist of coils having different diameter copper wire windings insulated according standards "H"; they are encased in a nylon-glass compount. All parts are corrosion resistant. Mechanical parts: Nickel plated brass tube nitrile (NBR) stainless steel plunger (AISI 430F), stainless steel adjusted springs, viton poppet seals, tropicalized zinc alloy interface plate, nickeled brass manual override, Technopolymer coil lock nut, zinc steel mounting screws. Electrical connectors are standard. Technical characteristics Pneumatic Electrical Working pressure Orifice size Maximum fluid temperature Maximum ambient temperature Maximum flow rate at 6 bar with ?p = 1 Cycles/minute Fluids Lubrication Life Power consumption holding - D.C Power consumption holding - A.C Operating voltage tolerance Response time opening * Response time closing * Insulation of the copper wire Insulation of the coil Connector protection Cable protection 0 - 10 bar 1,3 mm (1,1 mm for 2 W) 50°C 50°C 53 NI/min (35 NI/min. for 2 W) 700 Air-Vacuum-Inert gases Non needed 40 to 50 million cycles 5W (2 W) low consumption 8 VA (6 VA) low consumption ±10% 8 ms 6 ms H F IP 65 DIN 43650 INDUSTRIAL FORM (*) "Shifting time of pneumatic directional control valves or moving parts, logic devices were measured in accordance to ISO 12238:2001, Pneumatic fluid power - Directional control valves - Measurement of shifting time" Maintenance and replacement parts Maintenace practices for these valves are similar to those already detailed for other products - replacement of the plunger or poppet is not advisable since the new replacement would not provide the best fit with the rest of the already used valve. Special care should be taken that no dirt is accumulated between the working surface of fixed core and the plunger which would result in vibrations and overheating of the solenoid. In the case of microsolenoid it must be assured that the alternate current coil is not charged when the machanical part is not mounted to avoid destruction of the coil. The electrical connections have to be perfect, especially where low currents are used (12-24 V). Oxidation of contacts between the connector and the coil can lead to intermittent malfunctions which are difficult to trace. Oxidation of contacts due to humidity or corrosive atmosphere are one of the most common causes of false alarms. Clean the contacts with appropriate spray. 1 | 196 Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice
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