Limitorque MX Electronic Valve Actuator

September 6, 2013 – 11:12
4 Jamesbury Series 9 Ball Valve W Actuator…Unused | eBay

Mxa Now SIL 3 CertifiedThe Limitorque MXa is now SIL certified by exida Certification Services to provide a level of systematic integrity up to SIL 3. The SIL 3 rating was obtained after passing rigorous failure mode effects design analysis (FMEDA) and total time in service tests. The SIL 3 capable rating provides customers reliable actuation in critical environments without compromising their Safety Instrumented Systems (SIS).

The MX is the Limitorque product entry in the non-intrusive, double-sealed, smart electronic actuator marketplace. Originally introduced to the market in 1997, the MX is built upon a wealth of experience and performance in the valve actuation industry. Having been readily accepted into all major market segments, including Power Generation, Oil & Gas, and Water/Waste Water Treatment, the MX can be found on all six habitable continents and has proven itself in the field as rigorous, reliable, and easy to use.

What sets the multi-turn MX actuator apart is the combination of control and reliability facilitated by advanced Limitorque technology, plus superior ergonomics and human interfaces for speed, comfort, and ease of use. The MX employs a graphical dot matrix display with local control switches to deliver instant, up-to-the-second actuator status and valve position in eleven languages. This interface also provides local actuator control as well as simple calibration and diagnostic information including motor voltage, identification, hardware and software data, and torque profile log reports.

The MX electronic actuator is the platform for current and future network developments including Modbus DDC, Foundation Fieldbus H1, Profibus DP_V1, Profibus_ PA, and DeviceNet. Distinguishing itself from the competition, the MX actuator features an absolute encoder which doesn't require battery back-up and is designed with B.I.S.T. (Built In Self Test) capability for self-diagnosis. Additional features include LimiGard circuitry, which safeguards the actuator from spurious electro-magnetic interference, MX Quik, providing an uninterrupted power transfer option during main power losses, and Limitorque’s namesake feature – torque sensing.

The MX multi-turn electronic actuator can provide torque output of up to 1700 ft. lbs and is available in a wide variety of configurations to accommodate various applications and valve designs. For torque-only applications, the MX can be directly coupled with valves. Thrust applications rely on a separate thrust base that is available. The MX can additionally be coupled to a PT or HBC worm gear reducer for operation on part-turn valves such as butterflies, balls, plugs, and dampers. For rising stem valve applications the MX can be coupled with a B320 or MT bevel gear reducer.

Source: www.flowserve.com

awasy2415 NEW JAMESBURY VPVL100SR4/5BD PNEUMATIC VALVE ACTUATOR
BISS (awasy2415)

Manual valve control

2012-05-17 19:04:40 by snuffbox

A competent diagnostician would be able to determine if the wiring to the valves is good (a gopher can chew the wire and ruin your day). If one of the wires (say the common) is chuffed, but you have multi-conductor and another wire is available, proper marking (coloured shrink tubing rocks for this), and you can swap to another wire.
In the meantime, if your irrigation valves have manual actuators on them, you should be able to flip them on manually so that plants still get watered - you just have to remember to turn them off too.
I just re-plumbed the 1/2" dripline supply run for a row of rose bushes in front of my house (was easier to pull out all of the original dripline when I went to do a wood-chip project, rather than to work around the dripline), but I had the...

Wide Range of Metso's Neles® Flow Control Products Receive SIL Certifications  — ThomasNet News
Metso control and automated on-off valves provide complete solutions from a single source supplier and are tested as an assembly to assure compatibility of crucial safety loop components.

Jamesbury Jamesbury 1" Ball Valve
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