... of various liquids,robust and durable. VRFW58Target Flow Switch VRFW58 series target flow switches are used for visual and electrical checking ... , paper mill, food, wine, light, textile, welding an water disposal industry etc. 2. Performance2.1 Streamline structure, robust and ... system2.3 Optional mounting direction: Vertical or horizontal2.4 Various materials are optional2.5 large and wide measuring ...