STX Range
Explosionproof multi-turn STX actuators are certified for use in explosive atmosphere according to main international standards, adaptable to the specifications of engineering companies and have been designed to offer increased security and reliability to your installation.
Product specifications
Torque Range
• Direct : 15 to 1000 N.m
• With Gearbox : up to 2 000 000 Nm
Type of Controls:
Enhanced Smart INTELLI+® (v3)
BC Duty & Modulating Classification:
Adapted to process requirements:
• On-Off : Class A actuators complying with EN ISO 22153 and improved endurance class A+ actuators
• Inching/Positioning: Class B actuators complying with EN ISO 22153 and improved endurance Class B+ actuators
• Modulating: Class III actuators with higher duty performance and specification of additional performance criteria compared to EN ISO 22153 Class C basic design requirements
Environment:
C5 protection
Temperature -30°C / +70°C - Low temp. -55°
Weatherproof protection
• IP66
• IP68 - 10m/96h
Explosionproof protection
• IECEX/ATEX certified
• Qualified for gas and dust protection
- Gas: Zone 1 & 2, up to IIC
- Dust: Zone 21 & 22, up to IIIC
Product benefits
SQX part-turn electric actuators offer a wide range of torques. INTELLI+® control offers many advanced solutions.
INTELLI+® specificities:
• NAMUR NE 107 signaling
• Emergency Shut Down command
• Partial Stroke Test
• Speed control (timer)
• Limitation of overtorque applied to valve seat
• Optimised positioning precision by Intelli+ self-learning algorithm
• Events log (last 50 alarms, ...)
• 15 days log of environmental parameters:
- Temperature
- Humidity
- Actuator activity
• Log of the last 50 valve torque curves
• Overview of actuator lifetime temperature and vibration conditions and operation
An INTELLI+® controls up to SIL3 assessment is also available*
Options
- Fieldbus Interfaces :
- Fieldbus Foundation, Profibus, Modbus, Hart, Modbus TCP/IP & Profinet
- CX paint Protection
- API6DX
- Up to SIL3
- Low temp. -55°
- Analog Positioner
- Position & Torque Transmitter
- Additional signaling relays
- Padlockable local controls
- Protection against sandy winds and vandalism
- Sunshades
- Remote hand held
