Schischek air valve actuator

Schischek air valve actuatorExMax-15-BF is a 15 Nm explosion-proof spring reset air valve actuator suitable for hazardous areas such as chemical, oil and gas.

1、 Core performance parameters

Torque: 15 Nm

Rotation angle: 90 ° (standard) with 5 ° preload

Power supply: 24 240 V AC/DC (wide voltage adaptive)

Control mode: On off/3-pos

Motor operating time: 3/15/30/60/120 seconds/90 ° (adjustable on site)

Spring reset time: 3 seconds or 10 seconds/90 ° (optional)

Power:

Startup: Max 50 W

Rated: Max 30 W

Blocked rotor: Max 5 W

2、 Explosion proof and Protection

Explosion proof certification: ATEX, IECEx

Explosion proof grade (gas): II 2G Ex db IIC T6/T5

Explosion proof grade (dust): II 2D Ex tb IIIC T80 ° C/T95 ° C

Applicable area: Zone 1, 2 (gas); Zone 21, 22 (dust)

Protection level: IP66

Ambient temperature

T6: -40°C . .. +40°C

T5: -40°C . .. +50°C

Storage temperature: -40 ° C...+70 ° C

Integrated function: Built in heater (suitable for low-temperature environments)

Schischek air valve actuator

3、 Mechanical and Electrical

Output shaft: 12 x 12 mm double square shaft

Position feedback: 2 x passive auxiliary switches+Ex-i safety circuit

Shell: cast aluminum, anti-corrosion coating

Weight: Approximately 3.5 kg

Wiring standard: SB 7.0/7.1

4、 Model meaning

ExMax: Explosion proof series

15: Torque 15 Nm

BF: B (Fail safe)+F (Spring return)=Power off spring reset (fail safe)