Industrial Controller
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Infinite Innovation, the Future of Industrial Control Systems
Infinite Innovation, the Future of Industrial Control Systems
PRODUCT POSITION:HOMEPRODUCT—FISHER R622-DC1
FISHER R622-DC1
Technical Specifications Parameter Specification Model R622-DC1 Type Eccentric Rotary Control Valve Valve Body Style Angle Pattern, Flanged Valve Size 2-inch (DN50) - from "62" code Pressure Class ANSI Class 300 - from "62-2" code Actuator Type Pneumatic Spring-Diaphragm - "DC1" configuration Actuator Action Spring-Return (Single-Acting) - Fail-safe (air-to-open or air-to-close) Air Signal 3-15 psig (0.2-1.0 bar) standard Travel Approximately 50° of rotation Flow Characteristic Approximately Equal Percentage - standard for eccentric plug Leakage Class ANSI Class IV (metal seats) or better Temperature Range -50°F to +450°F (-46°C to +232°C) - standard, extendable with special seals
DESCRIBE
The Fisher R622-DC1 is a rotary control valve assembly from Fisher's renowned R series (also known as ET series) of eccentric rotary control valves. This complete valve package combines a high-performance rotary valve body with a specifically configured pneumatic actuator. The "DC1" actuator suffix code indicates a spring-return (single-acting) pneumatic diaphragm actuator with defined torque output and fail-safe action. Designed for precise throttling control of liquids, gases, and steam, this valve is suitable for demanding applications across various process industries including oil and gas, petrochemical, and power generation.
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