Description

The MEI 1007-0016 is a high-precision position feedback module, often referred to as a resolver or position transducer, specifically engineered for integration with Metso’s Neles and Jamesbury series of rotary ball and butterfly valve actuators. This critical component serves as the primary sensory element, providing the actuator’s control system with real-time, accurate data on the valve’s rotational position (0 to 90° or 0 to 180°). Its core function is to translate the mechanical rotation of the valve stem into a precise electrical signal, which is then used by the attached positioner or actuator controller to verify that the valve has moved to its commanded open, closed, or modulated state. This closed-loop feedback is absolutely essential for reliable automated process control, ensuring that the final control element executes commands accurately.

The intrinsic value of the MEI 1007-0016 lies in its robust design and unwavering reliability in harsh process environments. Unlike potentiometers, this non-contact transducer technology has no wearing parts, making it immune to the degradation and failure modes associated with vibration, shock, and continuous motion. This results in exceptional long-term accuracy, minimal maintenance requirements, and a significantly extended service life for the entire actuation assembly. The module is designed to operate flawlessly across a vast temperature range and is sealed to withstand moisture, humidity, and corrosive atmospheres. The integration of the MEI 1007-0016 is a fundamental requirement for achieving precise and dependable flow control in critical applications, providing the certainty that the valve is indeed in its intended position.

1007-0016 MEI

Technical Specifications

Parameter Name	Parameter Value
Product Model	1007-0016
Manufacturer	MEI (Metso, now part of Valmet)
Product Type	Valve Actuator Position Transducer/Resolver
Electrical Output	Analog (typically 4-20 mA) or digital signal depending on connected positioner
Mechanical Interface	Splined shaft designed for direct coupling to actuator drive
Rotation Range	0° to 90° or 0° to 180° (standard for rotary valves)
Operating Voltage	Typically 24 VDC (supplied by the integrated positioner)
Non-Linearity	< ±0.5% of full scale (high precision)
Operating Temperature	-40°C to 85°C (-40°F to 185°F)
Protection Rating	IP65 or higher, suitable for harsh environments
Housing Material	Robust, corrosion-resistant metal alloy

Main Features and Advantages

The MEI 1007-0016 delivers a powerful combination of precision, durability, and seamless integration. Its foremost advantage is its non-contact sensing technology. By eliminating physical wipers or brushes, it completely avoids the wear, electrical noise, and eventual failure points inherent in potentiometer-based solutions. This design ensures consistent, repeatable performance over millions of cycles, providing a significant lifetime cost advantage by reducing downtime and replacement part costs. The inherent immunity to vibration and shock makes the 1007-0016 the preferred choice for applications on piping systems prone to water hammer or other mechanical stresses.

Another key feature is its high intrinsic accuracy and stability. The module provides a precise and noise-free signal that is essential for advanced modulating control strategies, such as precise flow or pressure control loops. Its robust construction is a major benefit; the sealed housing effectively protects the internal electronics from ingress of moisture, dust, and corrosive agents, ensuring reliable operation in outdoor installations or challenging industrial settings like pulp and paper mills or offshore platforms. The MEI 1007-0016 is designed as a direct replacement unit for Metso actuators, ensuring perfect mechanical fit and electrical compatibility, which drastically simplifies procurement and inventory management for maintenance teams.

Application Field

The MEI 1007-0016 is deployed wherever Metso automated valves are used to control the flow of liquids, gases, and slurries across a vast range of process industries. In the oil and gas sector, it is critical for on/off and control duties within production platforms, pipeline transmission systems, and refinery process units, providing reliable position feedback for emergency shutdown (ESD) valves and critical control loops. In the power generation industry, these transducers are found on feedwater control valves, fuel gas control valves, and cooling water systems in nuclear, fossil fuel, and combined-cycle plants, where precise valve positioning is directly linked to efficiency and safety.

Within the pulp and paper industry, the MEI 1007-0016 is essential for controlling the flow of chemicals, steam, and stock slurry through demanding processes like digester and bleach plant operations. It is also widely used in water and wastewater treatment facilities for flow modulation, in chemical processing plants for batching and reaction control, and in marine applications for ballast and cargo systems. Any application utilizing a Metso Neles or Jamesbury rotary valve actuator for automated control that requires confirmed, precise, and reliable positional feedback will rely on the integrity of the MEI 1007-0016 transducer.

1007-0016 MEI

Related Products

ND9000 Series: The Metso Neles ND9000 intelligent valve controller (positioner) which this transducer directly feeds signals into.

Neles R Series: Metso’s line of rotary control valves and actuators that this component is designed to fit.

Jamesbury Actuators: The range of pneumatic and electric actuators from the Jamesbury brand (under Metso/Valmet) that use this feedback module.

1007-0015 / 1007-0017: Likely other variants within the same transducer family, potentially with different shaft splines, electrical connectors, or signal outputs.

ValveLink: Metso’s diagnostic and configuration software used to monitor the performance and health of the valve, which relies on the data from the 1007-0016.