AUMA's SQ 05.2 – SQ 14.2 and SQR 05.2 – SQR 14.2 are electric part-turn actuators designed for automating industrial valves, such as butterfly or ball valves, with swing angles typically around 90°. These actuators are available in open-close (SQ) and modulating (SQR) versions, integrated with various control options including AUMA NORM (basic), SEMIPACT (compact), AUMA MATIC (integral), and AUMATIC AC 01.2 (advanced with fieldbus). Certified under UKCA for compliance with Machinery Safety Regulations 2008, they ensure safe incorporation into final machinery for valve operation. Built for reliability in industrial environments, they feature electric motor drive, manual handwheel override, and non-intrusive settings in advanced models.
| Parameter | Details |
|---|---|
| Torque Range | SQ: 50-2,400 Nm (adjustable); SQR: Modulating 75-1,200 Nm |
| Swing Angle | Standard 75°-105°; Options 15°-45°, 45°-75°, 105°-135° |
| Operating Time for 90° | SQ: 4-100 s; SQR: 8-100 s |
| Number of Starts | SQR: Up to 1,500 c/h |
| Motor | 3-phase AC asynchronous, insulation F/H, thermoswitches/PTC thermistors |
| Power Supply | 100-690 V AC ±10/30%, 50/60 Hz ±5%; Optional 24 V DC external |
| Ambient Temperature | -25°C to +70°C (open-close), +60°C (modulating) |
| Enclosure Protection | IP68 (96 hours at 8 m head of water) |
| Vibration Resistance | 1 g, from 10 to 200 Hz |
| Corrosion Protection | KS (standard for moderate pollutants); KX/KX-G (extreme) |
| Control Inputs | 24-115 V DC/AC, 7-15 mA; Opto-isolated |
| Feedback Signals | 6-12 programmable contacts (250 V AC, 1-5 A); Analogue 0/4-20 mA position/torque |
| Altitude/Humidity | ≤2,000 m above sea level; Up to 100% RH |
| Lifetime | Meets or exceeds EN 15714-2 standards |
These actuators are ideal for automating part-turn valves in industries such as water treatment, power generation, chemical processing, and wastewater management. SQ models suit open-close operations in pipelines and tanks, while SQR excels in modulating duties for flow/pressure control. Suitable for non-explosive areas with optional Ex zone 22 dust certification; not for buried service or continuous underwater use.
What regulations do these actuators comply with?
UKCA for Machinery Safety (S.I. 2008 No. 1597), RoHS (S.I. 2012 No. 3032), EMC (S.I. 2016 No. 1091), Radio Equipment (S.I. 2017 No. 1206), and Electrical Safety (S.I. 2016 No. 1101).
Can they be used in hazardous areas?
Optional for Ex zone 22 dust (II3D IP6X T150°C); not for gas explosive zones without specific variants.
How do I integrate with control systems?
Via parallel inputs or fieldbus protocols like Profibus DP, Modbus, Foundation Fieldbus in AUMATIC controls.
What if the actuator is modified?
Unauthorized modifications void the declaration; contact AUMA for support.
Are they suitable for high-vibration environments?
Yes, resistant to 1 g vibrations from 10-200 Hz, ideal for industrial plants.
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