1.water flow meter 2.no movable part,1. ... employees:50~100 people water flow meter,water meter2008 Improved type target Flow Meter SBL digital target flow meter is proprietary ... system to make sure our quality and accuracy CharacteristicsMeasurement flow of liquid, gas, steam, ropy mediums or ... flow up-down or down-up, for ordering, please note: right view, left view (showing gauge head SBL water flow ...