Product Short Description
Product Introduction
The ABB V18348-10114310110 is a high‑performance, microprocessor‑controlled electro‑pneumatic valve positioner belonging to the TZIDC‑200 (V18348) series. It is designed for precise control of pneumatic linear and rotary actuators, converting a 4–20 mA electrical control signal into proportional pneumatic output. This model features a double‑acting, fail‑freeze safety configuration, integrated analog position feedback, and HART communication capability. Built with a flameproof, IP65‑rated enclosure, it delivers exceptional positioning accuracy, fast response, and reliable operation in harsh industrial and hazardous environments. It supports seamless integration with distributed control systems (DCS) and enables intelligent valve diagnostics, remote configuration, and predictive maintenance.
Description
Technical Specifications
- Product Type: Intelligent Electro‑Pneumatic Valve Positioner
- Series: TZIDC‑200 (V18348 Series)
- Actuator Compatibility: Linear actuators (DIN/IEC 534/NAMUR); Rotary actuators (VDI/VDE 3845)
- Control Type: Double‑acting, fail‑freeze (valve position locks on power/air/signal loss)
- Input Signal: 4–20 mA DC, two‑wire, loop‑powered (no external power required)
- Position Feedback: Integrated 4–20 mA analog position feedback (two‑wire, plug‑in module)
- Supply Air: Clean, dry, oil‑free compressed air (DIN/ISO 8573‑1 Class 3)
- Air Supply Pressure: 1.4–7 bar (20–100 psi)
- Air Consumption: ≤ 0.03 kg/h (steady‑state); ≥ 13.5 kg/h (dynamic)
- Positioning Accuracy: ≤ ±0.1% of full scale
- Repeatability: ≤ ±0.05% of full scale
- Response Time: < 100 ms (typical)
- Enclosure: Die‑cast aluminum, varnished; IP65 / NEMA 4X protection
- Explosion Protection: ATEX Ex d II C T4/T5/T6 Gb (flameproof)
- Mounting: Standard NAMUR for linear actuators; VDI/VDE 3845 for rotary actuators
- Connections: Cable: 1/2‑14 NPT; Air pipe: 1/4‑18 NPT
- Operating Temperature: -40°C to +85°C (-40°F to +185°F)
- Storage Temperature: -50°C to +90°C
- Humidity: 5%–95% RH (non‑condensing)
- Vibration Resistance: 10g (10–150 Hz)
- Shock Resistance: 100g (11 ms duration)
- Communication Protocols: HART 5 / HART 7 (standard)
- Local Interface: Two‑line LCD with integrated operator panel and mechanical position indicator
- Weight: Approx. 1.2 kg (net)
- Certifications: CE, ATEX, IECEx, FM, CSA, EAC TR‑CU‑012
Key Features
- High‑Precision Control: Microprocessor‑based control delivers ±0.1% full‑scale accuracy and fast response for precise valve positioning.
- Fail‑Freeze Safety: Double‑acting design with fail‑freeze functionality locks the valve in its last position during power, air, or signal failure, ensuring process safety.
- Integrated Analog Feedback: Onboard 4–20 mA position feedback eliminates the need for external transmitters, simplifying system architecture.
- HART Communication: Supports HART 5/7 protocols for remote configuration, real‑time monitoring, and advanced diagnostics via DCS or handheld communicators.
- Auto‑Commissioning: One‑button auto‑stroke calibration automatically sets zero and span, reducing installation and setup time.
- Adaptive Control Algorithms: Automatically adjusts control parameters during operation to optimize performance with different valve and actuator types.
- Robust Environmental Design: IP65/NEMA 4X enclosure, wide temperature range, and high vibration resistance for reliable operation in harsh industrial conditions.
- Flameproof Construction: ATEX‑certified flameproof enclosure (Ex d II C) for safe operation in hazardous, explosive gas environments.
- Modular Design: Compact, modular construction allows for easy maintenance, component replacement, and field upgrades.
- Low Air Consumption: Efficient I/P converter design minimizes air usage, reducing operational costs.
- Comprehensive Diagnostics: Onboard self‑diagnostics monitor valve health, detect faults, and generate alarms for proactive maintenance.
- Universal Actuator Compatibility: Compatible with nearly all pneumatic linear and rotary actuators, ensuring broad application flexibility.
Application Scenarios
- Oil & Gas Industry: Precise valve control in refineries, offshore platforms, pipelines, and LNG terminals, especially in hazardous explosive zones.
- Chemical & Petrochemical: Accurate flow and pressure regulation in reactors, distillation columns, and process pipelines in explosive atmospheres.
- Power Generation: Control of steam, water, and fuel valves in thermal power plants, combined cycle plants, and boiler systems.
- Pharmaceutical & Biotechnology: Sanitary valve control in sterile production processes and cleanroom environments.
- Metallurgy & Mining: Regulation of process fluids and gases in steel mills, smelters, and mineral processing plants.
- Water & Wastewater Treatment: Control of valves for water distribution, sewage treatment, and desalination plants.
- Pulp & Paper: Flow and pressure regulation in pulp cooking, bleaching, and paper machine processes.
- Food & Beverage: Hygienic valve control in food processing, brewing, and beverage production lines.
- Marine & Offshore: Valve positioning for shipboard systems, offshore drilling, and marine process automation.
- General Manufacturing: Process control in cement, glass, and other heavy manufacturing industries.
- Hazardous Area Operations: Certified for use in Zone 1/2 hazardous areas with explosive gas and dust environments.
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