Yokogawa device measures flow of liquids and gases in safety-critical applications
Yokogawa
RAGN Glass Rotameter
The RAGN Glass Rotameter from Yokogawa is designed for the continuous flow measurement of liquids and gases in safety-critical applications where extended operating life and virtually maintenance-free operation are required.
With an FMEDA (Failure Modes, Effects and Diagnostics Analysis) report available for SIL (Safety Integrity Level) loop applications, the unit has been assessed to SIL 1 according to the reworked IEC 61508:2010 standard and also complies with the Machinery Directive ISO 13849-1 standard.
The measuring tube is equipped with an easy-to-read scale highlighted by a yellow background and protected by a rotating splinter shield, preventing glass splinters or aggressive media from escaping to the front in the event of glass breakage.
The modular design allows limit switches to be easily retrofitted to initiate minimum or maximum flow alarms when the magnetic float has reached or exceeded the limit-switch position.
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