SIL 2 option for DK glass devices with NAMUR limit switch

  • Variable area flowmeters DK46/47/48/800 available with SIL 2 compliance
  • First and only SIL 2 glass tube purgemeters on the market

The variable area (VA) flowmeters DK46/47/48/800 with glass tube are now available with SIL 2 compliance. They are the first and currently the only SIL 2 glass tube purgemeters on the market.

The SIL option is applicable for devices with stainless steel or brass process connections with bistable NAMUR limit switches and junction box. It can be combined with ATEX certifications and also applies to VA flow controllers with individual probability of failures.

Typical applications for the SIL 2 glass tube flowmeters are sample flow monitoring for process analyser systems, gas or liquid supply monitoring for mechanical sealing systems, purging monitoring for measuring systems (e.g. dP flow measurement), or nitrogen inertisation.


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KROHNE is a global manufacturer and provider of process instrumentation, measurement solutions and services in many industries. Founded in 1921 and headquartered in Duisburg, Germany, KROHNE has over 4,100 employees and offers extensive application knowledge and local contacts for instrumentation projects in over 100 countries. KROHNE stands for innovation and highest product quality and is one of the market leaders in process industry.
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