Kromschröder VAA 3 230 V AC Solenoid valves for air
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Kromschröder VAA 3 230 V AC Solenoid valves for air Details
- Product Name: Kromschröder VAA 3 230 V AC Solenoid valves for air
- Brand: Kromschröder
- Keywords: Kromschröder VAA 3 230 V AC Solenoid valves for air, Kromschröder
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Ambient conditions Icing, condensation and dew in and on the unit are not permitted. Avoid direct sunlight or radiation from red-hot surfaces on the unit. Note the maximum medium and ambient temperatures! Avoid corrosive influences, e.g. salty ambient air or SO2. The unit may only be stored/installed in enclosed rooms/buildings. The unit is suitable for a maximum installation height of 2000 m AMSL. Ambient temperature: -20 to +60°C (-4 to +140°F), no condensation permitted. Long-term use in the upper ambient temperature range accelerates the ageing of the elastomer materials and reduces the service life (please contact manufacturer). Storage temperature = transport temperature: -20 to +40°C (-4 to +104°F). Enclosure: IP 65. This unit is not suitable for cleaning with a high-pressure cleaner and/or cleaning products. 12.2 Mechanical data Gas types: clean air. The air must be clean and dry in all temperature conditions and must not contain condensate. Medium temperature = ambient temperature. CE approved, max. inlet pressure pu: 500 mbar (7.25 psig). Flow adjustment limits the maximum flow rate to between approx. 20 and 100%. Adjustment of the start rate: 0 to approx. 70%. Opening times: VAA../N quick opening: < 1 s; VAA../L slow opening: up to max. 10 s, VAA../R slow opening: 4 s. Closing time: VAA../N, VAA../L quick closing: < 1 s, VAA../R slow closing: 4 s. Switching frequency: VAA../N: any, max. 30 x per minute. VAA../L: max. 2 x per minute. There should be a period of 20 seconds between switching off and on again so that the damping is fully effective. VAA../R: max. 6 x per minute. Valve housing: aluminium, valve seal: EPDM. Connection flanges: up to size 3: Rp internal thread to ISO 7-1, NPT to ANSI/ASME; size 2 and higher: with PN 16 ISO flange (pursuant to ISO 7005) . Cable gland: M20 x 1.5. Electrical connection: cable with max. 2.5 mm2 (AWG 12) or plug with socket to EN 175301-803. Duty cycle: 100%. Power factor of the solenoid coil: cos φ = 0.9.
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