BWI: NETHERLOCKS Partial Stroke System Meets SIL 3 According to FMEDA Report by Exida

Press release from Business Wire India
Source: Netherlocks
Thursday, May 27, 2010 10:00 AM IST (04:30 AM GMT)
Editors: General: Consumer interest; Business: Advertising, PR & marketing, Business services, Heavy industries; Technology; Healthcare
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NETHERLOCKS Partial Stroke System Meets SIL 3 According to FMEDA Report by Exida


Mumbai, Maharashtra, India, Thursday, May 27, 2010 -- (Business Wire India) -- An FMEDA (Failure Modes, Effects, and Diagnostic Analysis) report, carried out by Exida, has shown that the NETHERLOCKS partial stoke system FAITH (Fail Action Integrity Test Handling) to be very reliable, with 0 Fail Safe Detected, Fail Safe Undetected and Fail Dangerous Detected conditions recorded from the tests. For most cases, the FAITH is suitable for use in SIL3* applications.

Photo: http://halmapr.com/net/net0110fmeda.jpg (565 KB)

The FAITH system was subject to a thorough examination according to IEC 61508 to determine Probability of Failure on Demand (PFD) statistics for this device. The failure rates of the FAITH System must be added to the failure rates of the valve-actuator combination when determining the PFD AVG and Safe Failure Fraction (SFF) for the final element.

FAITH makes it possible to carry out a manually-initiated partial stroke test on ESD (Emergency Shut Down) valves during normal operation, without interrupting process flow. It limits, with mechanical stops, the angle of the stroke of the valve-actuator combination to a set percentage - ensuring the ESD valve 'works', without actually shutting down the operation. By operating mechanically rather than relying on electronic contacts or signals, reliability and simplicity is maximised.

About Netherlocks

Based in the Netherlands, Netherlocks is a leading supplier of safety and valve control systems for major industrial operations as well as smaller firms. The company's mechanically enforced procedures minimise the risk of human error in production and maintenance processes which could otherwise be dangerous and costly. Over 15 years of experience in protecting personnel and equipment means the company has been at the forefront of many design innovations which have helped to make industrial safety easier to implement and more effective than ever before.

About Halma

Halma p.l.c. (www.halma.com) is an international market leader in safety, health and sensor technology. Halma is a public company listed on the London Stock Exchange and has over 4000 employees in over 40 subsidiaries worldwide with a total turnover of over US$780m (2008). Halma's subsidiaries make products that protect lives and improve the quality of life for people through innovation in market leading products which make its customers safer, more competitive and more profitable. These subsidiaries are assisting India's economy in areas such as manufacturing, energy, water and waste treatment, the environment, construction, transport and healthcare.

Halma recently opened a Hub office in Mumbai. For further news about Halma in India and to subscribe to the Halma India RSS News Feed please visit our blog at: http://halmapr.com/news/india/ .

* SIL (Safety Integrity Level) is defined as a relative level of risk-reduction provided by a safety function, or to specify a target level of risk reduction. In simple terms, SIL is a measurement of performance required for a Safety Instrumented Function (SIF).


CONTACT DETAILS
Damian Corbet, Halma Public Relations, +44 (0)20 8511 1821, dcorbet@halmapr.com
Mr Kuniyur. J. Srinivasan, Halma India, +91 (22) 42000700, Srini@halma.com

KEYWORDS
CONSUMER, MARKETING, BUSINESS SERVICES, HEAVY INDUSTRIES, TECHNOLOGY, HEALTHCARE

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