ABB V18345-2021221001 Valve Positioner
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||

Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | ABB |
| Model | V18345-2021221001 |
| Product Name | Valve Positioner |
| Product Series | TZIDC Intelligent Electropneumatic Positioner |
| Product Type | Digital Valve Positioner |
| Manufacturer | ABB |
| Control Signal | 4–20 mA DC, two-wire input |
| Operating Principle | Converts an electrical positioning signal into a pneumatic output to control actuator movement |
| Actuator Compatibility | Pneumatic linear and rotary actuators, subject to mounting and configuration requirements |
| Mounting Standard | Linear actuators: DIN/IEC 534 or NAMUR; rotary actuators: VDI/VDE 3845, depending on the selected mounting configuration |
| Electrical Connection | 1/2-14 NPT cable connection |
| Pneumatic Connection | 1/4-18 NPT air connection |
| Actuator Action | Single-acting configuration |
| Fail-Safe Function | Fail-safe operation; verify the configured safe position and exact product-code options before installation |
| Position Feedback | Confirm feedback availability from the specific model configuration |
| Housing Material | Coated aluminium housing, depending on the selected version |
| Protection Rating | Verify the applicable enclosure rating from the product nameplate and configuration documentation |
| Application | Industrial process control, pneumatic valve positioning, and automated control loops |
| Installation Requirements | Correct mounting, instrument-air supply, electrical wiring, and commissioning calibration |
| Dimensions | 168.5 × 101 × 114.5 mm |
| Weight | 1.7 kg |
FAQ
Q1: What is the ABB V18345-2021221001 valve positioner used for?
The ABB V18345-2021221001 is an industrial valve positioner intended to regulate the position of a pneumatically operated control valve. It receives a control signal from a process controller and adjusts the pneumatic output to help the actuator reach the required valve position.
Q2: How does the ABB TZIDC positioner control a valve?
The positioner compares the requested valve position with the actual position detected by its position-sensing system. Its internal control electronics adjust the pneumatic output to reduce the difference between the target and actual positions, helping maintain accurate valve control.
Q3: What input signal does the V18345-2021221001 use?
The relevant ABB TZIDC configuration uses a 4–20 mA, two-wire control input. Before connecting the device, confirm the exact model code, terminal assignments, and electrical requirements on the nameplate and applicable wiring diagram.
Q4: Which pneumatic actuators can be used with this valve positioner?
The TZIDC product family supports pneumatic linear and rotary actuators when the appropriate mounting arrangement is selected. Verify the actuator type, mounting interface, travel range, and mechanical linkage before installation to ensure that the positioner can measure and control valve movement correctly.
Q5: What should be checked before installing the ABB V18345-2021221001?
Check the complete model code, actuator compatibility, mounting kit, electrical signal requirements, pneumatic connections, instrument-air quality, and applicable hazardous-area approvals. Also confirm that the selected fail-safe function meets the process safety requirements.
Q6: How is the valve positioner calibrated during commissioning?
Calibration generally involves checking mechanical travel, confirming the position feedback arrangement, and running the manufacturer’s initialization procedure. The positioner must correctly identify the actuator’s travel limits and movement direction. Follow the applicable ABB operating instructions and verify stable operation across the required control range.
Q7: What are common causes of inaccurate valve positioning?
Common causes include incorrect calibration, insufficient or unstable instrument-air pressure, loose mechanical linkages, incorrect mounting, restricted pneumatic lines, and electrical input signal problems. Review the positioner diagnostics, inspect the pneumatic supply, and verify the actuator’s mechanical movement before replacing the device.
Q8: What is the difference between fail-safe and fail-freeze operation?
In fail-safe operation, loss of electrical power or the relevant control condition causes the actuator to move toward a predefined safe position, depending on the pneumatic configuration. In fail-freeze operation, the pneumatic outputs are designed to retain the actuator’s existing position. The actual response depends on the selected positioner version and actuator arrangement, so it must be verified before use.
ABB V18345-2021221001 Valve Positioner is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666084105 | |||||||
| +8613666084105 | ||||||||
| 13666084105 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.








