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Address
Room 1501-1502, Caoyang Business Building, 889 Zhongjiang Road, Putuo District, Shanghai
Shanghai Weitelui Industrial Development Co., Ltd
Room 1501-1502, Caoyang Business Building, 889 Zhongjiang Road, Putuo District, Shanghai
MEISTER flow switch RVO/U series products
The RVO/U series is MEISTER's classic liquid visualization float type flow switch/indicator, which integrates real-time flow visualization and switch quantity alarm. It has a pure mechanical structure and does not require power supply. It is the mainstream monitoring solution for industrial cooling, lubrication, and hydraulic circuits.
Measurement principle: Vertical cone tube+magnetic float, flow drives float to rise, built-in magnetic core triggers external reed switch contact to output switch signal; Transparent DURAN ® The window can directly read the flow scale.
Core advantages:
Dual function: visual monitoring+switch alarm, intuitive on-site, no need for additional instruments.
Flexible installation: Equipped with a spring float, supporting installation at any angle (vertical/horizontal/inverted).
Reliability: No power supply, anti electromagnetic interference, long mechanical life, IP65/IP67 protection.
Customizable: ATEX explosion-proof, high temperature (160 ℃), food grade, 4-20mA analog output optional.
Model Naming Rules (RVO/U-XX/YY)
RVO/U: Series code (float type, visual, flow switch)
XX: Size/Connection Code (1/2/3/4, corresponding to G1/4 '~G1')
YY: Flow rate value (L/min, water medium, vertical installation)
Suffixes: - L (with display), - EX (explosion-proof), - SS (stainless steel), - H (high temperature), etc
Mainstream models of MEISTER flow switchesExamples and parameters (water medium, vertical installation)
Small flow type (RVO/U-4 series, G1/4')
RVO/U-4/02: flow rate 0.025-0.2 L/min; Switching point 0.025-0.2 L/min; G1/4'; Brass; 16 bar; 100℃
RVO/U-4/06: flow rate 0.06~0.6 L/min; Switching point 0.06~0.6 L/min; G1/4'
RVO/U-4/1: flow rate of 0.1~1.0 L/min; Switching point 0.1~1.0 L/min; G1/4'
RVO/U-4/2: flow rate of 0.4~2.0 L/min; Switching point 0.4~2.0 L/min; G1/4'
RVO/U-4/5: flow rate 0.5~5.0 L/min; Switching point 0.5~5.0 L/min; G1/4'