Endress+hauser COA451 Dissolved oxygen assembly Cleanfit
- Retractable assembly for sensors
- Process interrupt-free maintenance
- Robust stainless steel holder
- Optimizes stock and simplifies life cycle
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Description
Endress+hauser COA451 Dissolved oxygen assembly Cleanfit
The Endress+Hauser Cleanfit COA451 stands as a groundbreaking retractable assembly designed to dramatically simplify and enhance dissolved oxygen measurements across all fields. Its innovative design incorporates a stop bolt, O-ring seals, and a manual ball valve, which together allow for the complete isolation of the process medium from the sensor compartment. This ingenious feature permits sensor access for service, cleaning, or replacement without necessitating any process interruption, eliminating the need to empty pipes or tanks. The COA451 not only boosts process and operational safety but also significantly reduces the maintenance effort required for the entire measuring point, making it an exceptionally efficient and user-friendly solution for demanding applications.
Wastewater Treatment: Ensuring Aeration Efficiency
In wastewater treatment plants, the Cleanfit COA451 plays a crucial role in maintaining optimal oxygen levels, particularly in the aeration basin. Accurate and consistent dissolved oxygen control is fundamental to the biological processes that break down organic matter. The COA451 enables maintenance of oxygen sensors without interrupting the aeration process, ensuring continuous monitoring and control. This uninterrupted operation is vital for energy efficiency, as it prevents over-aeration, and for achieving high standards of effluent quality. The assembly’s robust design ensures reliable performance even in the often harsh conditions found in wastewater environments, providing dependable O2 control.
Water Works: Safeguarding Drinking Water Quality
For water works, the Cleanfit COA451 is invaluable for the status monitoring of drinking water and the quality monitoring of natural water bodies such as rivers, lakes, and seas. Maintaining the correct dissolved oxygen levels is critical for drinking water, impacting its taste, odor, and potential for corrosion within distribution networks. The COA451 allows for routine sensor checks and cleaning without compromising the integrity of the water supply. Its ability to provide easy access for maintenance ensures that monitoring systems remain accurate and reliable, supporting the delivery of safe and high-quality drinking water and aiding in the environmental assessment of aquatic ecosystems.
Industrial Utilities: Streamlining Biological Treatment
Utilities across all industries benefit immensely from the Cleanfit COA451’s capabilities, especially in managing oxygen control for biological treatment processes and for process water treatment and monitoring. Many industrial processes rely on biological methods for treating wastewater or for producing valuable products. The COA451 ensures that the oxygen sensors critical for controlling these biological reactions can be maintained without causing costly downtime. This convenience translates into higher operational efficiency, consistent process performance, and reduced maintenance costs. The assembly’s adaptability means it can be employed across a wide range of industrial applications requiring precise oxygen monitoring.
Aquaculture: Promoting Fish Health and Growth
The application of the Cleanfit COA451 in fish farming (aquaculture) is a testament to its versatility and importance in maintaining optimal conditions. The health and rapid growth of farmed fish are directly dependent on maintaining specific dissolved oxygen levels in their environment. The COA451 facilitates easy and safe sensor maintenance, ensuring that oxygen levels are continuously monitored and controlled precisely. This capability is essential for preventing stress, disease, and mortality among fish stocks, thereby maximizing yield and profitability for aquaculture operations. The robust design ensures reliable operation in these unique aquatic settings.
The ‘One For All’ Principle: Simplifying Operations
One of the most significant benefits of the Cleanfit COA451 is its adherence to the ‘one for all’ principle. This means a single type of retractable assembly can be used across a wide variety of dissolved oxygen measurement applications. This standardization drastically optimizes stockholding, as facilities no longer need to manage numerous different types of assemblies for various sensors or process conditions. It also speeds up project handling and simplifies the entire life cycle management of the measuring point, from initial installation through to ongoing maintenance and eventual upgrades, leading to substantial operational efficiencies and cost savings.
Unmatched Convenience and Time-Saving Maintenance
The convenience offered by the Cleanfit COA451 is unparalleled. The integrated manual ball valve and stop bolt system allows operators to service and clean the sensor without any process interruption. This dramatically saves time and reduces the labor associated with maintenance tasks. Furthermore, the inclusion of a rinse-water connection is a particularly thoughtful feature, enabling the cleaning of the sensor without even removing it from the process assembly. This combination of features streamlines maintenance routines, minimizes downtime, and enhances the overall safety and efficiency of managing dissolved oxygen measurement points.
Specifications
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Measuring principle
Amperometric oxygen measurement
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Application
Process measurement
Water and wastewater treatment
Drinking water
Monitoring of surface water
Fish farming -
Characteristic
Sensor monitoring and cleaning without process interrupt.
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Design
Process holder with manual ball valve and rinse water connection.
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Material
Holder : stainless steel 1.4404 (AISI 316L)
Air relief valve and rinse connection : nickeled brass
Sealing : Viton -
Dimension
Immersion depth : 170mm or 270mm
(6.63 – 10.53inch) -
Process temperature
max. 80°C (176°F)
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Process pressure
For manual assembly operation : max 2bar (29psi)
Medium pressure : max. 10bar (145psi)








