Products Description
| Company Information | |||
| [email protected] | |||
| Mobile | +8613950166376 | ||
| +8613950166376 | |||
| 13950166376 |
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Name | Digital Valve Positioner |
| Model Number | Woodward 8200-188 |
| Dimensions | 261 × 173 × 57 mm |
| Weight | 2.6 kg |
| Function | Controls and positions valves precisely in turbine and engine control systems |
| Control Type | Digital microprocessor-based control |
| Input Signal | 4–20 mA, HART compatible |
| Output Signal | 4–20 mA or PWM for actuator control |
| Power Supply | 24 V DC nominal |
| Power Consumption | ≤ 6 W |
| Feedback Type | Position sensor (linear or rotary) |
| Communication Protocols | HART, Modbus RTU |
| Valve Type Compatibility | Linear and rotary actuators |
| Positioning Accuracy | ±0.2% of full stroke |
| Response Time | < 100 ms |
| Operating Temperature | -40°C to +85°C |
| Storage Temperature | -50°C to +90°C |
| Enclosure Rating | IP65 / NEMA 4X |
| Material | Aluminum housing with corrosion-resistant coating |
| Mounting Type | Field-mountable, compatible with standard actuator interfaces |
| Vibration Resistance | 10 g, 10–2000 Hz |
| EMC Compliance | IEC 61326-3-1 industrial standard |
| Application Areas | Turbine control, steam valve actuation, process control systems |
FAQ
FAQ
Q1: What is the main function of the Woodward 8200-188 Digital Valve Positioner?
A1: The 8200-188 precisely controls the position of valves based on input control signals, ensuring optimal flow regulation in turbine and process control systems.
Q2: What type of input signals does this positioner support?
A2: It supports standard 4–20 mA analog signals and HART communication for advanced diagnostics and configuration.
Q3: Is the 8200-188 compatible with both linear and rotary actuators?
A3: Yes, it is designed to work seamlessly with both linear and rotary actuator types.
Q4: How accurate is the valve positioning control?
A4: The device provides high positioning accuracy of ±0.2% of the full stroke, ensuring precise valve response and control stability.
Q5: What communication options are available for integration?
A5: The unit offers HART and Modbus RTU communication protocols, making it suitable for integration into various control systems.
Q6: How does the positioner perform in harsh industrial environments?
A6: It features a rugged IP65-rated aluminum enclosure and is built to operate reliably across a wide temperature range and under strong vibration.
Q7: What kind of feedback sensor does it use?
A7: It supports either linear or rotary position sensors to provide real-time feedback for precise valve control.
Q8: What industries typically use the Woodward 8200-188?
A8: It is commonly used in turbine control, power generation, steam valve systems, and other industrial automation applications requiring reliable valve actuation.
Tags
Packing & Delivery
We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.
For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.
Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.
