Product details
V18345-1021420001 – Electro-Pneumatic Positioner
V18345-1021420001 is an electro-pneumatic positioner from ABB. It belongs to the TZIDC series. This smart device uses a 4-20 mA input signal. It controls pneumatic actuators with precision. The positioner has HART communication capability.
Key Features
- Input signal: 4-20 mA (two-wire)
- Output: 0-6 bar (0-90 psi) pneumatic
- Double acting with fail-safe function
- HART communication (FSK module ready)
- ATEX approval: II 2 G Ex ib IIC T6/T4
- Case material: Aluminum, varnished
- Digital input and output for status feedback
- Configurable via operator panel or software
Technical Specifications
- Brand: ABB
- Model: V18345-1021420001
- Series: TZIDC
- Type: Electro-Pneumatic Positioner
- Input signal: 4-20 mA (nominal), max 25 mA
- Min. starting current: 3.8 mA
- Voltage at 20 mA: 9.7 V
- Impedance: 485 Ω (at 20 mA)
- Digital input: 0-5 V (logic 0), 11-30 V (logic 1)
- Output pressure: 0-6 bar (0-90 psi)
- Air capacity (at 6 bar): 13 kg/h (10 Nm³/h)
- Air capacity (at 1.4 bar): 5.0 kg/h (3.9 Nm³/h)
- Actuator type: Single or double-acting
- Fail-safe position: Configurable (vent or block)
- Rotation angle: 25-120° (rotary), 25-60° (linear)
- Travel limit: 0-100% (min range >20%)
- Travel time prolongation: 0-200 seconds per direction
- Dead band time: 0-200 seconds (monitoring)
- Digital output: NAMUR signal (5-11 V DC)
- Option module: Analog position feedback (4-20 mA)
- Communication: HART (via FSK module)
- Explosion protection: ATEX II 2 G Ex ib IIC T6/T4
- Case material: Aluminum, varnished
- Connections: Cable 1/2-14 NPT, Air 1/4-18 NPT
- Mounting: Linear (DIN/IEC/NAMUR) or rotary (VDI/VDE)
- Weight: Approx. 2.5 kg (typical)
Installation & Mounting
- Mounting: Attach directly to actuator via standard bracket
- Air supply: Clean, dry instrument air (ISO 8573-1)
- Wiring: Connect 4-20 mA signal and digital I/O
- Configuration: Use local buttons or HART communicator
- Maintenance: Check air filter regularly
Manager’s Insight
This ABB positioner offers excellent control for critical valves. The HART communication simplifies remote monitoring. The double-acting output with fail-safe ensures reliable operation. We recommend it for process industries where precision matters. The 12-month warranty and fast shipping give you confidence.
Applications
- Chemical processing: flow control, pressure regulation
- Oil and gas: wellhead control, pipeline valves
- Power generation: steam turbine valves, cooling water
- Water treatment: filtration, chemical dosing
- Pulp and paper: stock preparation, steam control
Comparison with Similar Models
- V18345-1021420001 – HART, double acting, ATEX
- V18345-1011420001 – same but single acting
- V18345-2021420001 – with analog feedback module
- TZIDC-200 – newer series with enhanced diagnostics
Selection Guide
- Choose V18345-1021420001 if: you need double acting with HART and ATEX.
- Consider this positioner for: critical control valves in hazardous areas.
- Avoid if: you need a non-HART or single acting unit.
- Best paired with: ABB valve actuators and HART handheld communicators.
- Warranty: 12 months from invoice date.
Shipping & Delivery
- Dispatch: 12-24 hours after order confirmation.
- Carriers: FedEx, UPS, DHL (tracking provided).
- Packaging: Factory sealed box with anti-static protection.
Frequently Asked Questions (FAQ)
- Q: What is the minimum input current?
- A: 3.8 mA (start-up), 4-20 mA for normal operation.
- Q: Does this positioner support HART communication?
- A: Yes, it has a connector plug for the FSK module.
- Q: Can I use this with a rotary actuator?
- A: Yes, it supports rotary actuators (25-120° angle).
- Q: What does the fail-safe function do?
- A: It vents air or blocks it to set a safe position on power loss.
- Q: Is the explosion protection suitable for Zone 1?
- A: Yes, ATEX II 2 G Ex ib IIC T6/T4 covers Zone 1.
Contact Information: For inquiries, email sales@powergearx.com or call +86 18030005825 (WhatsApp).
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Original Source: https://www.powergearx.com/
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