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IMI STI
SR/CCK Analog Valve Positioner
Heavy-duty quarter-turn positioner for precise control of rotary and linear actuators.
Provides accurate proportional control for quarter-turn valves, with adjustable cam angles up to 270° for versatile applications.
Ensures stable and consistent performance with a balanced-forces design and robust air distribution system.
Withstands harsh industrial environments with a durable metallic housing and options for stainless steel components.
Features
The SR/CCK is a robust quarter-turn positioner designed for precise proportional control of butterfly, plug, and ball valves. It can also be adapted for linear actuators using a dedicated bracket. Positioned between the air filter regulator and actuator, it ensures stable valve positioning in demanding environments such as petroleum, chemical, power, and metal industries. The SR/CCK operates on a balanced-forces principle, distributing air through an internal spool. It features adjustable cam angles up to 270° for flexible actuator compatibility. With a heavy-duty metallic case, IP-rated protection, and custom cam profiles available, it delivers reliable performance in harsh conditions.
Key features
Quarter-turn and linear actuator compatibility
3-15 psi input signal
Aluminium housing with polycarbonate cover
Internal spool valve for air distribution
Operating pressure: 2.5 – 7 bar
Cam angle adjustments up to 270°
Optional stainless steel spool valve
Split range signal compatibility
Visual position indicator
Lightweight 0.9 kg design
Specifications
Ambient Temperature (°C)
-20 to 70
Signal
3-15 psi
Housing Material
Painted Aluminium with Polycarbonate Cover
Flow (Cv)
0.34
0.34
Operating Pressure (bar)
2.5 to 7
Certification
IP54
Resources
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