SIL Level 3 for Valtek Mark

Certification of the Flowserve Mark Series valves to Safety Integrity Level (SIL) 3 gives customers additional confidence in their reliability and safety

Flowserve Valtek Mark Series Valves and Actuators
Certified to SIL Level 3.

Flowserve Corporation recently announced the certification of the Flowserve Valtek Mark Series family of control valves and actuators to Safety Integrity Level (SIL) 3. The SIL certification, which is a measurement of the effectiveness of a safety system, extends to valves and actuators built in Flowserve’s Springville, Utah, and Bangalore, India, facilities.

“Flowserve Valtek Mark Series valves and actuators are among the safest, most reliable flow control products on the market,” said Eric Anthony, marketing product manager, controls, Flowserve Flow Control Division. “SIL 3 certification gives enables our customers to have increased confidence in the performance of Flowserve Valtek products.”

In obtaining the SIL 3 certification, Flowserve partnered with exida, a global supplier of functional safety products, services and certifications, which has performed more process control safety certifications than any other company worldwide. exida certified the product reliability, design and engineering processes for the Flowserve Valtek Series controls as SIL 3 capable per International Electrotechnical Commission (IEC) 61508.

Flowserve Valtek Mark Series control valves offer superior performance in liquid and gaseous services, while allowing easy, fast and inexpensive maintenance. The spring-cylinder-actuated valves provide high-positioning accuracy, repeatability, controlled high speed, reliable response and exceptionally tight shutoff. A self-aligning seat ring enhances the shutoff capability of the Mark Series valve. Additionally, due to the Mark Series valve’s high degree of parts interchangeability, fewer inventory parts are required. The valve actuators are capable of handling up to 150 psig (10.3 barg) supply air and have the thrust to shut off against high-fluid pressures. The actuators are lighter, smaller and easier to handle than comparable diaphragm actuators.

Flowserve Flow Control at 01444 314400

Published in Valve User Magazine Issue 15

Summer 2020 // Issue 53
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