General Specifications
| Parameter | Value |
|---|---|
| Product Series | SRD960 Intelligent Valve Positioner |
| Actuation Type | Single‑acting (B) |
| Communication | HART 4–20 mA (H) |
| Auxiliary I/O | None (N) |
| Display | Graphic LCD with window & keypad (D) |
| Pressure Gauge | Built‑in (bar/psi) (M) |
| Air Supply Connection | 1/4‑18 NPT (N) |
| Electrical Connection | 1/2‑14 NPT (no cable gland) (6) |
| Mounting | NAMUR direct‑mount (N) |
| Language | English/German/Chinese (C) |
| Option | Side‑mounted booster (X1) |
Explosion‑proof & Safety Certifications (BDZ)
| Certification | Details |
|---|---|
| ATEX/IECEx | None (non‑explosion‑proof) |
| Hazardous Area | Safe area only (non‑hazardous zones) |
| FM/CSA | General purpose certified |
| SIL | SIL 2 capable (SIL 3 with system design) |
Performance Parameters
| Parameter | Value |
|---|---|
| Input Signal | 4–20 mA DC (HART compatible) |
| Air Supply Pressure | 1.4–7 bar (20–102 psi) |
| Air Consumption | Single‑acting: ≤3 L/s (6.5 scfm); Double‑acting: ≤2 L/s (4.25 scfm) |
| Positioning Accuracy | ±0.1% of full scale |
| Repeatability | ±0.05% of full scale |
| Response Time | ≤100 ms (typical) |
| Stroke Range | Linear: 8–260 mm; Rotary: 0–95° (up to 300° special) |
| Flow Characteristics | Linear, equal percentage, quick opening, user‑definable |
Environmental & Mechanical
| Parameter | Value |
|---|---|
| Enclosure Protection | IP65 / NEMA 4X |
| Ambient Temperature | –40 °C to +80 °C (–40 °F to +176 °F) |
| Storage Temperature | –50 °C to +85 °C (–58 °F to +185 °F) |
| Humidity | 0–100% RH (non‑condensing) |
| Vibration Resistance | 10–2000 Hz, 2 g (IEC 60068‑2‑6) |
| Housing Material | Die‑cast aluminum, epoxy coated |
| Weight | Approx. 1.8 kg (3.97 lb) |
Diagnostics (Premium, Built‑in Pressure Sensor)
- Auto‑tuning & auto‑initialization
- Valve position monitoring & limit switch configuration
- Small signal cut‑off protection
- Advanced diagnostics: supply/actuator pressure monitoring, valve stiction detection, performance trending
- Full NAMUR NE107 compliance with predictive maintenance alerts
- HART/FoxCom‑based advanced diagnostics & ValCare software integration
