Product Overview
- The V18345-1021420001 represents the pinnacle of ABB’s TZIDC intelligent positioning technology.
- Utilizes 4-20 mA two-wire technology with integrated HART communication for seamless DCS integration.
- Features a rugged aluminum housing and ATEX certification for hazardous oil and gas applications.
- Engineered for high-vibration resistance and ultra-precise pneumatic air delivery.
Configuration Breakdown: Suffix Logic
- V18345 Series — TZIDC Intelligent Positioner Base
- ↳ [1] Case/Mounting: Aluminum varnished, universal mounting (Linear/Rotary)
- ↳ [0] Input/Comm: 4-20 mA with LKS adapter and HART FSK module
- ↳ [2] Explosion Protection: ATEX II 2 G Ex ib IIC T6/T4 Gb
- ↳ [1] Output/Safe Position: Double acting, fail-safe (vents on power loss)
- ↳ [4] Connections: 1/2-14 NPT electrical, 1/4-18 NPT pneumatic
- ↳ [2] Option Module: Analog position feedback (4-20 mA)
- ↳ [0] Mechanical Kit: None (standard digital feedback)
- ↳ [0] Option Module: Standard configuration
- ↳ [01] Feedback Signal: Plug-in module for 4-20 mA signal range
Technical Data & Performance Matrix
- Input Impedance: 485 Ω at 20 mA (9.7 V load voltage)
- Air Supply Range: 1.4 to 6 bar (20 to 90 psi)
- Air Capacity: 13 kg/h (10 Nm³/h) at 6 bar supply
- Rotary Operation: 25° to 120° (Optional up to 270°)
- Linear Operation: 25° to 60°
- Dead Band Limit: Configurable range from 0 to 200 seconds
- Temperature Stability: Certified for T4/T6 environments
Oiltech Controls Limited’s Insight
- The V18345-1021420001 is the “Gold Standard” for double-acting actuators requiring analog feedback.
- The Auto-Adjust function allows the device to self-calibrate to valve limits in seconds.
- The double-acting fail-safe configuration is critical for processes where maintaining a specific state is non-negotiable.
- Advanced diagnostic suite monitors air leakage and valve friction to provide predictive maintenance data.
Equipment & Application Compatibility
- Linear Actuators: Standard DIN/IEC 534 and NAMUR mounting.
- Rotary Actuators: VDI/VDE 3845 compliant quarter-turn valves.
- Environments: Refineries, offshore platforms, and hazardous chemical plants.
- Systems: Fully compatible with HART-based asset management systems (AMS).
Logistics & Purchasing Terms
- Availability: In Stock / Fast Delivery
- Shipping Lead Time: 12-48 hours global dispatch.
- Express Delivery: Priority service via FedEx, UPS, and DHL.
- Warranty: 12-Month Comprehensive Factory Warranty.
- Condition: 100% Original and New in Factory Sealed Packaging.
Expert FAQ & Selection Guide
- Question: How does the “Double Acting” feature in the V18345-1021420001 affect air piping?
- Answer: This model controls two air ports to actively drive the valve in both directions, essential for high-torque valves.
- Question: What happens to the valve position if the 4-20mA signal is lost?
- Answer: Due to the Fail-Safe code [1], the unit will vent the actuator, moving it to its mechanical safety limit.
- Question: Can the V18345 handle high-vibration mounting?
- Answer: Yes, the TZIDC series uses a low-mass sensor system, making it more stable than traditional mechanical positioners.
- Question: When should I choose the V18345-1021420001 over a basic model?
- Answer: Select this if your site requires ATEX certification and an Analog 4-20mA Feedback signal for position verification.
- Question: Is HART communication required for the initial setup?
- Answer: No, the unit can be commissioned using the integrated LCD panel, though HART is better for remote diagnostics.
Contact Information Inquiries: info@oiltechcontrols.com, +86 158 8020 0923
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