Auma Sqrex
introduction
features
Explosion Resistance
Its robust flameproof enclosure eliminates ignition sparks and prevents the formation of hot surfaces, ensuring safe operation.
Flexible Duty
Optimized for continuous modulating service, it supports modulating operation with 75–1,200 Nm torque and up to 1,500 starts per hour.
Enduring Design
Its advanced drive technology and precision gearing allow it to handle high-frequency start-stop cycles without overheating or wear, ensuring long-term reliability.
SQREX Design Features Overview
|
Feature Category |
Specification |
|
Torque Range |
50 Nm to 2,400 Nm |
|
Modulating Torque |
75 Nm to 1,200 Nm |
|
Max. Starts |
Up to 1,500 starts per hour |
|
Swing Angle |
75° to 105° |
|
Operating Time (90°) |
8 s to 100 s |
|
Seating Function |
Limit & torque seating |
|
Power Supply |
3-phase AC |
|
Manual Override |
Integrated handwheel for safe manual operation |
SQEX vs SQREX
|
Category |
SQEX |
SQREX |
|
Type |
Explosion-proof quarter-turn actuator |
Explosion-proof modulating quarter-turn actuator |
|
Primary Function |
On/Off & basic positioning |
Continuous modulation & precise control |
|
Operating Duty |
S2 duty (intermittent) |
Modulating duty with high start frequency |
|
Torque Range |
Standard torque output |
50 Nm – 2,400 Nm |
|
Modulating Torque |
Not optimized for modulation |
75 Nm – 1,200 Nm |
|
Max Starts per Hour |
Standard start rate |
Up to 1,500 starts/h |
|
Swing Angle |
90° typical |
75° – 105° |
|
Operating Time (90°) |
Standard opening time |
8 s – 100 s |
|
Seating Method |
Limit seating |
Limit & torque seating |
|
Control Options |
Basic or intelligent controls |
Advanced intelligent controls for feedback & diagnostics |
|
Ideal Applications |
On/Off quarter-turn valves |
High-precision flow/pressure control |
|
Industries |
Oil & gas, chemical, utilities |
Petrochemical, refining, power, advanced processing |
|
Manual Operation |
Optional handwheel |
Integrated handwheel for manual override |
|
Power Supply |
AC / 3-ph options |
3-phase AC |
Why Choose Us
- Large inventory to support fast delivery and urgent replacement needs
- Short and stable lead times even for non-stock models
- Multiple logistics options for global shipments
- Professional technical support from experienced engineers
- Competitive pricing with a one-year warranty
- Trusted by industrial clients worldwide
FAQ
Q1: What types of valves are compatible with the AUMA SQREx actuator?
A: It is designed for quarter-turn valves such as butterfly valves, ball valves, and plug valves.
Q2: What torque range does the SQREx actuator provide?
A: The actuator supports a torque range from 50 Nm to 2,400 Nm, covering small to large industrial valve applications.
Q3: Does the actuator allow manual operation during power failure?
A: Yes. It includes a built-in manual handwheel that enables safe manual valve operation when electrical power is unavailable.
Q4: What is the typical lead time?
A: For standard stock items, orders can usually be shipped within one week, depending on the destination. For special or customized products, lead times are confirmed in advance to meet project schedules.
Q5: How do you ensure product quality and after-sales support?
A: Each unit undergoes strict quality inspection before shipment to ensure reliable performance. We also provide a 1-year warranty, along with long-term technical support and spare parts availability.
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