Belimo SRFA-O - rotary actuator for ball valves

Name: Belimo SRFA-O - rotary actuator for ball valves
Brand: Belimo
SKU: SRFA-O
Price: 1438.92 PLN
Availability: BackOrder

Belimo

zł1,438.92

VAT included

zł1,169.85 tax excluded

Rotary actuator for ball valves with safety function and Close/Open control. The motor torque is 20 Nm, and the nominal voltage is AC 24...240 V / DC 24...125 V.

When the power supply fails, the spring moves the valve to the open position (NO). The motor running time is 75 s / 90°.

Delivery in approx. 14 days

Belimo SRFA-O

Rotary actuator with safety function for ball valves. During operation, the actuator moves the valve to its operating position and tensions the return spring. If the power supply is interrupted, the spring moves the valve to the safety position: open (NO; A – AB = 100%). For valves with an L-port, the data sheet specifies A – AB = 0%.

Key features

Motor torque: 20 Nm; safety function torque: 20 Nm.
Control: Close/Open; nominal voltage: AC 24...240 V / DC 24...125 V; frequency: 50/60 Hz.
Motor running time: 75 s / 90°; safety function operating time: <20 s @ -20...50°C, <60 s @ -30°C.
Power consumption during operation: 7 W; at rest: 3.5 W; sizing power: 18 VA.
Power and control connection: 1 m cable, 2x 0.75 mm².
Manual operation using a crank and locking switch; adjustable rotation angle with mechanical stops and a mechanical position indicator.
Protection rating: IP54; NEMA 2; UL Enclosure Type 2 housing.
Ambient temperature: -30...50°C.