Product Description
The ABB TZIDC Valve Positioner V18345-1020421001 is a compact, high-performance digital positioner engineered for precise valve control in demanding process environments.
Technical Specifications
- Manufacturer: ABB
- Model / Product No.: V18345-1020421001
- Product Type: TZIDC Valve Positioner V18345
- Housing: Aluminium case, varnished, IP65 / NEMA 4X protection
- Mounting: Linear actuators per DIN/IEC 534 / NAMUR or rotary actuators per VDI/VDE 3845; integral mounting supported
- Input Signal: 4–20 mA, two-wire system
- Communication: HART protocol via connector plug, compatible with LKS adapter and FSK module
- Explosion Protection: None (standard version)
- Output / Fail-Safe Mode: Double acting, fail-safe operation in case of power loss
- Connections: 2 ports
- Cable Entry: Thread ½-14 NPT
- Air Supply Connection: Thread ¼-18 NPT
- Feedback Options: Plug-in module for analog position feedback, 4–20 mA two-wire signal
- Optional Digital Feedback Kit: Not included
- Design Finish: Standard varnish
- Shipping Weight: Approx. 5 kg
Key Features
- Robust aluminium housing with IP65 protection for harsh environments
- Flexible mounting options for linear and rotary actuators
- HART communication capability for advanced diagnostics and integration
- Fail-safe double acting output ensures secure valve positioning during power failure
- Expandable with analog feedback module for enhanced monitoring
- Compact design with reliable ABB engineering for long-term service
Application Scenarios
The ABB TZIDC V18345-1020421001 is widely used in industries such as oil & gas, chemical processing, power generation, and water treatment. It ensures precise valve positioning and reliable control in safety-critical and efficiency-driven operations.
FAQ
Q: Does this model support explosion-proof environments?
A: No, this version is supplied without explosion protection. ABB offers alternative TZIDC variants for hazardous areas.
Q: Can I add digital position feedback later?
A: Yes, the unit supports plug-in modules for analog feedback. Digital feedback requires a mechanical kit, which is not included in this configuration.
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