Product Overview
The Bürkert 8694-E1–0-PU02 is a high-precision electro-pneumatic positioner engineered for the reliable control of pneumatically actuated process valves. As part of Bürkert’s renowned 8694 series, this positioner serves as the critical interface between a central control system (PLC or DCS) and a pneumatic actuator, converting a standard electrical control signal into a precise pneumatic output pressure. This enables accurate valve stem positioning, ensuring optimal flow control, pressure regulation, and process stability in demanding industrial environments. Its robust design and advanced control algorithm make it an ideal solution for applications requiring high repeatability and fast response times.
Technical Specifications
| Parameter | Specification / Feature |
|---|---|
| Component Type | Electro-pneumatic Positioner |
| Model Designation | 8694-E1–0-PU02 |
| Operating Pressure | Standard Industrial Grade (Up to 6 bar / 87 psi) |
| Mounting & Connection | Standard ISO / Manufacturer Interface (NAMUR) |
| Input Signal | 4–20 mA / 0–10 V (Standard Industrial Control Signal) |
| Air Supply Connection | G 1/4″ (Standard Pneumatic Port) |
| Protection Class | IP65 / IP67 (Dust-tight and Water-jet Resistant) |
Engineering Features & Advantages
- Precision Performance: Advanced control algorithm ensures highly accurate valve positioning with minimal overshoot and excellent repeatability, optimizing process control loops.
- Industrial Reliability: Built for continuous operation under severe industrial conditions, featuring a rugged housing resistant to vibration, temperature fluctuations, and environmental ingress.
- Direct Fit Replacement: Exact dimensional and functional compatibility with original OEM standards, ensuring seamless integration into existing Bürkert valve assemblies and pneumatic actuator systems.
- Fast Response Time: High-flow pneumatic pilot valves enable rapid correction of valve position, reducing process variability and improving overall system efficiency.
- Comprehensive Diagnostics: Supports optional diagnostic functions for predictive maintenance, helping to minimize unplanned downtime and extend service intervals.
Typical Industrial Applications
This electro-pneumatic positioner is widely utilized in heavy industrial scenarios requiring precise control of pneumatic actuators. Common applications include chemical and petrochemical processing plants for regulating flow control valves, pharmaceutical manufacturing for accurate dosing and batch control, water and wastewater treatment facilities for modulating large butterfly and gate valves, and food and beverage production lines where hygienic and reliable valve operation is critical. It is also frequently employed in power generation plants for steam and cooling water regulation.
PRODUCT IMAGES
BURKERT 8694-E1–0-PU02 Electro-pneumatic Positioner
âš¡ Emergency Plant Maintenance & Ready-to-Ship Notice:
- Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
- Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
- Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
- Peace of Mind: Covered by our 12-Month Replacement Warranty.
Shop the genuine Burkert 8694-E1–0-PU02 Solenoid Valve Control Unit. This Germany-made 24V DC hydraulic component features a robust pilot-operated design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.