Valmet ND9103HU ND9000 series intelligent valve positioner

Valmet ND9103HU ND9000 series intelligent valve positioner

ND9103HU function: Receive 4-20mA control signals issued by the DCS system, regulate the gas supply pressure of the pneumatic actuator through closed-loop control, and accurately control the valve position of the regulating valve; ND9103HU simultaneously uploads equipment diagnostic information such as valve stroke, pressure, and temperature through the HART bus, enabling remote valve calibration and online health monitoring, and achieving continuous adjustment of process medium flow rate, pressure, and liquid level. ND9103HU is the core intelligent control component of pneumatic regulating valves.

Parameter Specifications

Valmet ND9103HU ND9000 series intelligent valve positioner

Brand Introduction：

Valmet is headquartered in Finland and its automation business was formerly under Metso. In 2013, Metso’s automation business was merged into Valmet and it is a leading supplier of process industrial equipment and automation solutions for the global pulp and paper, energy, biomass, mining, and building materials industries. Its main products include complete production lines, DCS automation systems, field instruments, valves, analytical instruments, and full lifecycle spare parts and maintenance services.

Core automation products:
Valmet DNA Distributed Control System (DCS) is the main process control system of Valmet, including the old IOP series I/O and the new generation ACN series I/O hardware (D201435L CXW controller D201134L AI8C、D201136L DI16C、D201126L DI8P、D201129L DO8P、D201436L DO16C Etc.)

• Hardware: ACN rack, redundant controller module, analog input/output, digital input/output I/O card, bus communication module; Support module hot plugging, channel level fault diagnosis, wide temperature industrial working conditions, support 1:1 controller redundancy, ensuring uninterrupted continuous production.
• Software: Process control software, human-machine interface HMI, historical trends, alarm management, advanced process control APC, equipment status monitoring, asset operation and maintenance management software.
• New generation platform: DNAe , web architecture DCS, strengthened network security, suitable for key process devices such as power plants and ships.

Product features

1. Supports HART digital communication, remote parameter setting, valve body diagnosis, reading valve characteristic curves, and predicting valve failures.
2. Non contact valve position measurement, no mechanical wear, high long-term stability, and low maintenance.
3. It can be adapted to both linear and angular stroke valves, and is compatible with single acting and double acting pneumatic actuators with a wide range of adaptability.
4.  Equipped with advanced valve diagnostic function, it monitors gas supply pressure, valve position, and actuator pressure, and can identify hidden dangers such as packing friction and jamming.
5. IP66 protection level, dustproof and waterproof, can be directly installed on site in outdoor, humid and dusty conditions.
6.  Comes with a local operation panel LUI, allowing for on-site button calibration and configuration without the need for additional tools.
7.  Explosion proof option, suitable for petrochemical explosion-proof areas, resistant to vibration and electromagnetic interference.
8.  Low energy consumption design, with low air consumption in steady state, reducing the energy consumption of factory air compressors.

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