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Last updateSun, 04 Feb 2024 4am

Explosionproof CMA actuators deliver ‘Performance Plus’ process valve control

Available in quarter-turn, rotary and linear versions, robust Rotork CMA actuators perform numerous process control valve, metering pump and damper applications. Single-phase or DC electrical power is all that is required for simplified installation and control valve actuation in safe or hazardous areas. Explosionproof certification to international standards is available.

The latest ‘Performance Plus’ development introduces a user selectable increased shut-off torque/thrust option. Developed in response to industry feedback, this option enables a more tailored and cost-effective sizing regime to be applied to both the modulating and tight shut-off demands of the control valve. A tight shut-off is often required as part of the valve duty, leading to potential over-sizing of the actuator for mid-travel modulating operations. The increased torque/thrust option is selected and configured during the actuator set-up programme, as part of a logical menu-driven process using an internal electronic LCD display and pushbuttons.

A new model size has also been introduced to the rotary CMA design, creating a range that is suitable for virtually all process control applications. Upgrades to internal electronics and HMI enhancements complete the list of improvements across the range. For additional functionality, all rotary CMA actuators have output speeds that are adjustable down to 50% of full speed, in 10% increments.

The maintenance-free CMA drive train, permanently lubricated and environmentally protected to IP67, can be mounted in any orientation. Accepting an industry-standard 4-20mA control signal, the CMA provides accurate and repeatable positional control. Resolution is 0.2% on linear and quarter-turn applications and 2 degrees on the multi-turn models.

Manual operation is available as standard whilst optional extras include local pushbuttons and selector switch, digital position indicator and network compatibility with Rotork Pakscan, HART®, Profibus®, Modbus® and Foundation Fieldbus®.

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Palmer Wahl Instrumentation Group releases Multi-Thread Pressure Tester (MPT)

Palmer Wahl Instrumentation Group is excited to announce the rollout of our newest product, the Multi-Thread Pressure Tester (MPT), a patented Pressure Tester that has multiple thread sizes in each tester. This revolutionary design saves time and money for operators that are testing pressure lines in the gas, plumbing, sprinkler, and HVAC industries, to name a few. Tried and tested in the field, MPT will change the way you think about pressure testing.

Palmer Wahl owns the patent on the MPT, and we will be marketing the testers throughout the United States and Canada. There is a five year warranty on the tester which is Made in the USA out of airplane aluminum. The MPT can be found on the Palmer Wahl website, and coming soon to its own dedicated site at PalmerMPT.com.

Current customers are finding that the MPT saves them time, no more running around trying to find ties, manifolds, and proper size threads to reduce down or up to the size needed to test for pressure leaks in piping systems that are being installed or repaired. So the labor saved, cost of extra parts saved, and the flexibility of being ready for your initial testing and inspections is priceless.

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New IO-Link Master for Simatic controller

The Siemens Industry Automation Division has developed a new IO-Link master for its Simatic S7-1200 controller, based on the current IO-Link specification V1.1. The IO-Link master is a module of the S7-1200 controller and connects field devices to the controller via IO-Link. The field device parameters are automatically backed up in the controller. If the field device has to be replaced, all the parameters are automatically transferred to the new component, so the user does not need to back up the data. The new IO-Link master supports the rapid COM3 mode, provided as an option in the standard device, for short response times or for handling extensive data sets, as well as supporting devices with V1.0 IO-Link specifications.

Thanks to the industry-wide IO-Link standard, switching devices and sensors can be connected to the control level with a low-cost point-to-point link.

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Rotork Compact low power electric actuator for choke valves

In the latest development of its successful range of CMA electric control valve actuators, Rotork has introduced a new version specifically designed for the demands of choke valve operation.

Built with extensive industry experience, the CMR-250/GB3 actuator meets exacting requirements for low power, high torque modulating control in a compact package for applications including severe service upstream wellhead production and injection valves. The low power requirement and a 24VDC option enables solar powered and battery back-up supplies to be introduced in remote locations, whilst the all-electric technology delivers considerable system simplification and economy in any environment by eliminating the on-going costs associated with an instrument air supply.

Easily adaptable to suit any type of valve, the CMR-250/GB3 delivers a maximum output torque of 45 Nm (400lbf in). Available for a range of single-phase or DC power supplies, the design combines a brushless motor with permanently lubricated, high efficiency gears to achieve accurate, responsive and continuous modulating control. Rotary output speed is adjustable down to 50% of full speed.

The compact actuator enclosure is environmentally sealed to IP67 as standard and available with ATEX, IECEX, FM and GOST hazardous area certification. The wide ambient operating temperature range (-20 to +65ºC for explosionproof models and -30 to +70ºC for watertight models) facilitates long-term reliability and maintenance-free operation in the harshest of environments.

Actuator set-up is performed in a logical menu-driven process using an internal electronic 6-segment LCD display and pushbuttons. User selectable adjustments encompass speed, dead band, zero and span, command signal type, standard or reverse action and loss of signal position. A standard 4-20mA signal is used for control and feedback, whilst digital network options include Rotork Pakscan, HART®, Profibus®, Modbus® and Foundation Fieldbus®. A hard-wired RIRO (Remote-In-Remote-Out) option is also available.

As with all Rotork products, the CMR-250/GB3 actuator is backed by the worldwide sales and service network of the Rotork flow control group, providing a local source for complete support in every territory using fully trained engineers.

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Advantech launches new DIN-rail Controller with Programmable warning lights

The new UNO-1110 DIN-rail controller, with the latest Texas Instruments (TI) 600MHz RISC processor, has been designed to give customers enhanced flexibility by providing four programmable LED warning lights in addition to the pre-configured power, COM, SD, four digital input and four digital output LEDs. The four programmable lights allow users to quickly and easily determine the various states of connected equipment.

Space is at a premium in many locations, so in order to save space, and cost, the UNO-1110 features isolated digital IO ports so that customers no longer require extra signal convertors to go from the serial ports.

The isolated RS-232/422/485 ports prevent damage from electricity spikes and stop customers having to add additional equipment that not only takes up extra space but also costs more money.

The UNO-1110 features a TI Cortex A8 AM3505 600 MHz RISC processor, 256 MB DDR2 RAM, VGA connector with a resolution of up to 1024 x 768, one RS-485, four RS-232/422/485 ports, two SD card slots, two LAN ports, four USB 2.0 ports, an operating temperature of -10~70oC and is IP40 certified.

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