flow switch

For local indication of uniform clean liquid flow without auxiliary power supply. Suitable for horizontal or vertical pipes. Flow switch with threaded connection type G or NPT in a size range > 3⁄4…2″. The measuring tube and connection are made of bronze or stainless steel (1.4404 / 316 L). Two types of indicators are available: a linear dial with up to two alarm positions (top/bottom) or a round dial. It is particularly suitable for economical flow indication in applications where precision is not high. It can be used for the highest flow rates 30,000 l/h. There is also a high-temperature version for operating conditions up to +300°C. The DW 181 is available in non-explosion-proof, intrinsically safe and explosion-proof versions.