Brand: Bently Nevada Description: TZIDC Electro-Pneumatic Positioner Condition: Brand New Certificate: COO TEST REPORT WARRANTY LETTER Warranty: 1 year Inventory Qty: 10 Payment Term: T/T Shipping Port: Shenzhen The V18345-2021461001 TZIDC is an intelligent, configurable electro-pneumatic positioner utilizing two-wire 4-20mA technology. It can be installed on pneumatic linear or rotary actuators, controlling them via an I/P module and pneumatic amplifier, converting the CPU's electrical positioning signal into a proportional pneumatic signal.
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Manufacture |
Bently Nevada |
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Model Number |
V18345-2021461001 |
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Ordering Number |
V18345-2021461001 |
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Catalog |
- |
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Country Of Origin |
America |
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HS CODE |
8537101190 |
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Dimension |
25*25*5CM |
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Packing Dimension |
28*28*10CM |
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Weight |
2.5 kg |
Pneumatic System
Pneumatic Versions:
Single-acting actuator (with "fail-safe" or "fail-freeze" function).
Double-acting actuator (with "fail-safe" or "fail-freeze" function).
Fail-safe Mode:
When power is lost, output 1 is depressurized, and the actuator spring moves the valve to the safe position (output 2 is pressurized for double-acting).
Fail-freeze Mode:
When power is lost, the pneumatic outputs are closed, and the valve is frozen in its current position.
Operation and Communication
Operation Panel:
2-line LCD display + 4 buttons, supporting local configuration, commissioning, and monitoring.
Single-button commissioning, automatic parameter adaptation.
Communication Interface:
LKS adapter (RS-232 converter) for local PC connection.
HART protocol: Communication via 20 mA signal line or FSK modem.
DTM support (FDT 1.2 technology) for integration into control systems or PC software (such as DSV401).
Inputs/Outputs
Inputs:
Analog position setpoint (4–20 mA).
Digital input (DI): Activates protection functions (e.g., moves to 0%/100% position, disables configuration, etc.).
Outputs:
Digital output (DO): Collective alarm or fault message.
Optional modules: Analog feedback (4–20 mA), digital feedback (switching signal), emergency stop module.
Product Features
High-Precision Control: Bently Nevada V18345-2021461001 can accurately converts electrical signals into pneumatic signals, achieving highly precise control of valve position.
Flexible Configuration: Bently Nevada V18345-2021461001 with a built-in operator panel with a two-line LCD and four buttons allows for local configuration, commissioning, and operational monitoring, as well as remote configuration via a configuration program and communication options.
Energy-Efficient: Bently Nevada V18345-2021461001 design with when the set point is reached, the three-way valve closes in the center position, minimizing air consumption.
Applications
Petrochemical Industry: Bently Nevada V18345-2021461001 is used to control valves in various chemical processes, such as inlet and outlet valves in reactors, distillation towers, and heat exchangers.
Power Industry: Bently Nevada V18345-2021461001 is used to precisely control valves in steam-water systems and combustion systems in power plants, such as steam turbine inlet valves and regulating valves.
Mounting Options
Linear Actuators: Conforms to DIN/IEC 534 (NAMUR side-mount).
Rotary Actuators: Conforms to VDI/VDE 3845 (shaft adapter required, ordered separately).
Integral Mounting: Mounts directly to the control valve (no external piping required).
