Value Valve has been an international valve enterprise group. Leading Brand in Taiwan

Accurate and reliable measurement of dissolved oxygen in high purity water. The Navigator 500 dissolved oxygen analyzer provides continuous monitoring and control of dissolved oxygen levels in steam-raising and desalination plants and semiconductor water treatment.

Measurement made easy for water and wastewater

High quality Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD) and Total Organic Carbon (TOC) data is the lifeblood of effective water management and treatment across many industries. This is due to them being the primary parameters for evaluating the organic strength of water and wastewater.