SR-SL-ST Solenoid actuator for VF-VFH butterfly valves
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SR, SL, ST Solenoid actuator for butterfly valves VF, VFH

ELEKTROGAS – Technical Sheet EE156 - 11/11 Contents Description ………………………………………….. Features ……..……………………………..……….. Functioning and application .………………………. Technical specifications .………………….……….. Ordering information …..…………………………… Standards and approvals ………………………….. Solenoid actuators SR/SL/ST are designed to operate VF and VFH butterfly valves, used in twostage control of gas flow and air flow in combustion processes. Available with fast opening and fast closing (<1s), with slow opening (3-4s) and fast closing or with slow opening and slow closing (3-4s) Equipped with two regulating...

ELEKTROGAS – Technical Sheet EE156 - 11/11 - When the combustion process is intermittent, a VF butterfly valve with solenoid actuator can be used, to adjust air volumes for low and high fire. - In the annealing furnaces an auxiliary cooling is often required. Air volumes is controlled by a VF butterfly valve with solenoid actuator. VF..SR - In case of combustion process with pre-heated air, VFH butterfly valve can be used. Solenoid actuator is preferentially suitable for min/max regulation with heavy duty cycles. WARNING Location and mode of installation must be in compliance with local...

ELEKTROGAS – Technical Sheet EE156 - 11/11 Technical specifications SR fast opening and fast closing SL slow opening and fast closing ST slow opening and slow closing Overall dimensions Rotation angle 0 / 90° minimum and maximum adjustable Ambient temperature Voltage rating Voltage tolerance Power consumption Cable gland 2x ISO 20 (EN 50262) standard socket optional Coil winding insulation Coil thermal resistance SR: 1s opening/closing SL: ~4s opening / 1s closing ST: ~4s opening/closing

ELEKTROGAS – Technical Sheet EE156 - 11/11 Model Actuator type R= fast opening and fast closing L= slow opening and fast closing T= slow opening and slow closing Actuator size 4 8 For more information about butterfly valves see their technical sheets. Standard Manufacturer reserves the right to update or make technical changes without prior notice. The actuators meet current European approval requirements regarding electrical safety: - Quality Management System is certified according to UNI EN ISO 9001 and the monitoring is carried out by the notified body: Kiwa Gastec Italia Spa. Via...