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| Certification: | CE |
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Specification | Detail |
Product Model | V18346 |
Device Type | Electropneumatic Valve Positioner |
Signal & Power | 4–20 mA Two-Wire (Loop-Powered) |
Pressure Ranges | Supply: 1.4–7 bar (20–100 psi) Output: 0–100% Supply Pressure |
Environmental Rating | IP66/NEMA 4X -40°C to +80°C |
Certifications | ATEX | IECEx | SIL 2/3 |
Mechanical Configuration | G1/4" or NPT1/4" Ports Direct Mounting (Linear/Rotary) |
Performance Metrics | ±0.5% Accuracy <3s Response Time <0.01kg/h Air Use |
Actuator Compatibility | Linear (8-150mm) Rotary (25-90°) |
Construction | Aluminum (2.3kg) Standard Stainless Steel Optional |
Smart Features | HART® 5/7 Protocol Self-Diagnostics with Alarms |

Installation Tutorial | ||
Step | Procedure | Details |
1 | Unpack and inspect components | Ensure all parts (positioner, mounting hardware, gaskets) are present. |
2 | Mount the positioner on the valve | Align with actuator stem; secure using provided bolts. |
3 | Connect air supply | Attach 1/4" tubing to air supply port (3-7 bar, filtered/dry air). |
4 | Link feedback mechanism | Connect actuator stem to positioner’s feedback lever via coupling. |
5 | Wire electrical connections | Connect 4-20mA input signal to terminals + (A1) and – (A2). |
6 | Calibrate positioner | Power on; use auto-calibration mode via local interface or HART tool. |
7 | Verify valve movement | Test full travel (0-100%) by adjusting input signal; check for smooth operation. |
8 | Secure covers and final checks | Tighten housing screws; confirm no air leaks or electrical faults. |