Key Specifications & Parameters Parameter Specification / Description Technology Type Advanced multi-stage, multi-path noise and cavitation control trim Design Principle Labyrinth disc stack technology creating sequential, controlled pressure drops through tortuous flow paths Noise Reduction Up to 25-50 dBA compared to standard single-stage trim Cavitation Control Exceptional cavitation protection - eliminates or severely minimizes cavitation damage even at pressure drops exceeding 5000 psi (345 bar) Pressure Drop Capability Designed for extreme pressure drops (up to 6000 psi/414 bar in some applications) Size Range Typically available for valves from 1" to 24" (DN 25 to DN 600) Compatible Valves Fisher cage-style globe valves designed for high-pressure service (e.g., ET, ES, HPT, and other severe service valves) Flow Characteristic Modified equal percentage inherent to the labyrinth design Materials Standard: 316 Stainless Steel High-Erosion Options: 17-4PH Stainless Steel, Stellite hard-faced components, Alloy 6, Other hardened alloys Temperature Range Limited by base valve materials, typically -150° to 1100°F (-101° to 593°C) Flow Capacity (Cv) Lower Cv compared to standard trim due to restrictive flow paths, but designed for maximum energy dissipation

Technical Specifications Category Specification Type Electro-Pneumatic Transducer (E/P or I/P) Input Signal 1301F: 4-20 mA DC or other ranges 1301G: 10-50 mA DC or other ranges Output Signal 3-15 psig (0.2-1.0 bar) Supply Pressure 20 psig (1.4 bar) minimum, up to 115 psig (7.9 bar) Accuracy Typically ±0.5% of span Linearity & Hysteresis Typically within ±0.5% of span Air Consumption Low (e.g., < 0.2 SCFM at steady state) Enclosure Rating NEMA 4X (weatherproof and corrosion-resistant) Temperature Range -40°F to 180°F (-40°C to 82°C) Mounting 2-inch pipe mounting or surface mounting Process Connection 1/4-inch NPT Typical Applications Control Valve Positioning Pneumatic Actuator Control Process Control Systems DCS and PLC Interface Pneumatic Instrumentation Systems Modernization Projects (connecting electronic controls to existing pneumatic systems)

The ABB ACS550-01-195A-4 Low Voltage AC Drives offer intuitive operation with an assistant control panel, superior harmonic reduction through swinging choke technology, vector control, and robustness in harsh environments due to coated boards. These drives come standard with a Category C2 EMC filter and are equipped with flexible fieldbus systems including built-in Modbus and various internally mountable adapters. Certified under UL, cUL, CE, C-Tick, and GOST R, they comply with RoHS regulations.