Vi­brat­ing fork point switches

DEMM Engineering & Manufacturing - - PRODUCT WATCH - Go to demm.co.nz/en­quiry quote: D140804.

Emer­son Process Man­age­ment has ex­panded the ap­pli­ca­tion scope for its Rose­mount 2120 range of vi­brat­ing fork point liq­uid level switches.

The Rose­mount 2120 level switch is now cer­ti­fied for SIL 2 func­tional safety with SIL 3 ca­pa­bil­ity en­abling the de­vice to meet the most de­mand­ing safety ap­pli­ca­tion re­quire­ments. The 2120 range is now ap­proved for ma­rine ap­pli­ca­tions by the Amer­i­can Bureau of Ship­ping (ABS) and Emer­son has also added an ex­panded choice of process con­nec­tions for greater in­stal­la­tion f lex­i­bil­ity.

For safety crit­i­cal ap­pli­ca­tions, SIL 2 cer­ti­fi­ca­tion is now avail­able for the 2120 with NA­MUR and 8/16mA elec­tronic out­puts. There are five plug-in elec­tronic out­puts avail­able pro­vid­ing a choice of switch­ing func­tions. The SIL 2 cer­ti­fi­ca­tion ex­tends the time be­tween proof tests and al­lows users to avoid ex­tra shut­downs for safety test­ing.

The 2120 also of­fers an ex­panded choice of process con­nec­tions. In ad­di­tion to the new 2" NPT process con­nec­tion, the switch is now avail­able with Mo­brey A and G f langes en­abling com­pat­i­bil­ity with me­chan­i­cal f loat switch process con­nec­tions.

For ma­rine ap­pli­ca­tions such as oil and bal­last con­trol and HFO blend­ing, the 2120 is now ap­proved by the Amer­i­can Bureau of Ship­ping (ABS) – ex­pand­ing on the ex­ist­ing Ger­man­is­cher (GL) ap­proval.

The sim­plic­ity, ease of use and re­li­a­bil­ity of the Rose­mount 2120 vi­brat­ing fork switch makes it a pop­u­lar choice for high and low level alarm and pump con­trol du­ties in wide range of process and ma­rine ap­pli­ca­tions.

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