Foxboro G0113CV Product Description
Product Overview
The Foxboro G0113CV is a high-reliability pneumatic control valve positioner engineered for precise positioning of linear and rotary control valves in process industries. Designed as a core component of the Foxboro pneumatic control ecosystem, it converts a 3–15 mA DC control signal into a proportional pneumatic output (3–15 psi) to drive valve actuators, ensuring accurate, fast, and stable valve positioning. Built with a rugged, corrosion-resistant aluminum housing and precision mechanical components, it delivers consistent performance in harsh industrial environments, including high humidity, vibration, and temperature fluctuations. The G0113CV features a compact, modular design for easy installation, calibration, and maintenance, making it a trusted solution for critical process control applications where valve positioning accuracy directly impacts product quality, safety, and operational efficiency.
Basic Information
Manufacturer: Foxboro (Invensys, now Schneider Electric)
Model: G0113CV
Product Type: Pneumatic Valve Positioner, Electro-Pneumatic Converter
Applicable System: Foxboro I/A Series DCS, legacy pneumatic control systems; compatible with 3–15 mA DC control signals and 3–15 psi pneumatic actuators
Mounting Style: Direct-mounted to linear/rotary valve actuators; bracket-mounted for remote installation
Protection Rating: IP65; sealed aluminum housing with dust and water resistance
Certifications: CE, UL, CSA compliant; meets ISA S71.04 G3 harsh environment standards; certified for general industrial and non-hazardous area applications
Input Signal: 3–15 mA DC (standard analog control signal)
Output Signal: 3–15 psi (0.2–1.0 bar) pneumatic pressure
Supply Air: 20–100 psi clean, dry instrument air
Operating Temperature: -20°C to +70°C
Storage Temperature: -40°C to +85°C
Relative Humidity: 5% to 95% non-condensing
Weight: Approximately 1.5 kg
Dimensions: 180 mm (H) × 120 mm (W) × 80 mm (D)
Country of Origin: United States
Function and Positioning
The G0113CV functions as a critical electro-pneumatic interface between electronic control systems and pneumatic valve actuators, positioned to deliver precise, closed-loop valve positioning for linear and rotary control valves. Its core role is to translate electronic control signals from DCS, PLC, or manual controllers into accurate pneumatic pressure outputs that drive valve actuators, ensuring the valve stem or rotor moves to the exact position required by the process. The positioner incorporates a built-in feedback mechanism that continuously compares the actual valve position with the setpoint from the control signal, adjusting the pneumatic output in real time to eliminate positioning errors—this closed-loop control minimizes hysteresis, dead band, and drift, delivering consistent accuracy across the full valve travel range. Designed for direct mounting on actuators, it reduces signal transmission losses and simplifies system wiring, while its modular construction allows for quick calibration and replacement without process shutdown. As a bridge between electronic automation and pneumatic actuation, the G0113CV enhances process stability, reduces variability, and improves control loop performance, making it essential for applications requiring tight regulation of flow, pressure, temperature, and level.
Core Performance Parameters
Input Signal Range: 3–15 mA DC; 0–20 mA DC optional
Output Signal Range: 3–15 psi (0.2–1.0 bar) pneumatic; 6–30 psi optional
Supply Air Pressure: 20–100 psi (1.4–6.9 bar)
Positioning Accuracy: ±0.5% of full valve travel
Repeatability: ±0.1% of full valve travel
Hysteresis: ≤1.0% of full valve travel
Dead Band: ≤0.2% of full valve travel
Response Time: ≤2 seconds for full stroke (linear actuators)
Air Consumption: ≤1.0 scfh at steady state; ≤3.0 scfh during positioning
Feedback Type: Mechanical linkage (linear/rotary); adjustable feedback cam for custom valve characteristics
Control Characteristics: Linear, equal percentage, quick open (field-adjustable via cam)
Vibration Resistance: Compliant with ISA S71.04 G3; withstands 5–200 Hz vibration at 0.15 mm amplitude
Electrical Isolation: Input signal isolated from pneumatic housing; 500 VAC dielectric strength
Diagnostics: Visual position indicator; zero and span adjustment knobs; no external power required
General Adaptable Accessories
Mounting Hardware: Direct-mount brackets for linear/rotary actuators, remote-mount kits, vibration isolation mounts, stainless steel fasteners
Feedback Components: Linear/rotary feedback linkages, adjustable characteristic cams (linear/equal percentage/quick open), feedback arm extensions
Pneumatic Accessories: Filter-regulator units (3–15 psi output), stainless steel tubing, compression fittings, air supply manifolds, pressure gauges
Calibration Tools: Zero/span adjustment screwdrivers, position calibration gauges, signal simulators (3–15 mA DC)
Replacement Parts: Sealed diaphragm assemblies, pilot valve components, feedback linkage parts, indicator needles, housing gaskets
Protection Kits: Environmental sealing kits, dust covers for adjustment knobs, surge protectors for input signal wiring
Applicable Equipment and Fields
The G0113CV is designed for process industries requiring precise pneumatic actuation of control valves with electronic signal control, focusing on general industrial and harsh non-hazardous environments. Key sectors include oil and gas (refineries, petrochemical plants, natural gas processing), thermal power generation, chemical manufacturing, pulp and paper, water and wastewater treatment, pharmaceuticals, metals and mining, and food and beverage. It is ideal for positioning linear globe valves, rotary ball valves, butterfly valves, and plug valves used to regulate critical process variables such as flow, pressure, temperature, and level. The G0113CV’s IP65 protection, G3 harsh environment rating, high positioning accuracy, and field-adjustable control characteristics make it suitable for both new plant installations and legacy system upgrades, ensuring reliable, low-maintenance valve control in demanding industrial applications.
Get a Quote