Dresser Masoneilan Enters Safety System Arena with Partial Stroke Test Device

    AVON, MASS., November 5 /CNW/ - Masoneilan, a leading control valve
supplier to the process industries and a division of Dresser Inc., has
introduced a new digital instrument that offers enhanced functionality for
Safety Instrumented Systems (SIS). This new product, the SVI II ESD (Emergency
Shutdown Device), provides for in-service partial stroke testing of emergency
shutdown valves. The partial stroke test, by invoking only a limited movement
of valve internal components, provides required valve operating verification
without any adverse impact to the process.

    The SVI II ESD, an extension of Masoneilan's successful SVI II AP line of
digital controllers, is TUV certified to a SIL 3 rating per IEC61508 standard
and its associated stringent reliability criteria. The SVI II ESD device is
unique in its single wire pair enabling of the designated safety and partial
stroke testing functions. This innovative dual but separate functionality
gives the unit the unique and patented capability to remain live during and
after a shutdown, enabling key benefits such as capturing the shutdown event
signature. In normal plant operations, the SVI II ESD energizes the pneumatic
actuator and partially strokes the valve assembly to validate fail safe

    In addition to triggering on-line partial stroke testing, the SVI II ESD
delivers sophisticated valve diagnostics allowing users to proactively manage
their safety valve assets. The SVI II ESD also provides for integration with
leading safety system architecture with full functionality available through a
database driven companion software - ValVue ESD.

    About Dresser, Inc.

    Dresser, Inc. is a leader in providing highly engineered infrastructure
products for the global energy industry. The company has leading positions in
a broad portfolio of products including valves, actuators, meters, switches,
regulators, piping products, natural gas-fueled engines, retail fuel
dispensers and associated retail point of sale systems and air and gas
handling equipment. Leading brand names within the Dresser portfolio include
Dresser Wayne(R) retail fueling systems, Waukesha(R) natural gas-fired
engines, Masoneilan(R) control valves, Mooney(R) regulators, Consolidated(R)
pressure relief valves, and Roots(R) blowers and rotary gas meters. It has
manufacturing and customer service facilities located strategically worldwide
and a sales presence in more than 100 countries. The company's website can be
accessed at www.dresser.com.

    About Masoneilan

    Masoneilan is a global leader in providing innovative best fit control
valve solutions for the process industries. Masoneilan supplies a wide range
of general and severe service control valves, actuators, instrumentation,
valve accessories, software and field service support. Its eight manufacturing
units worldwide are supported by an integrated network of service and sales
offices to provide a wide range of valve solutions for virtually every process
control application. The company's website is www.masoneilan.com

For further information:

For further information: Dresser, Inc. Sandro Esposito, 508-427-8996
Product Marketing Manager sandro.esposito@dresser.com

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