Dissolved oxygen assembly
Cleanfit COA451
Retractable assembly for water, wastewater and utilities
Cleanfit COA451 is a retractable assembly for all fields of dissolved oxygen measurements. It is equipped with a stop bolt, O-ring seals and a ball valve, enabling complete isolation of process and sensor compartment. This allows you to access the sensor without interrupting the process or emptying the pipe or tank. Better still, benefit from increased process and operational safety and significantly reduced maintenance effort across the whole measuring point.
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Standard products
- Reliable, robust and low-maintenance
Technical excellence
Simplicity
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Specialized products
- Designed for demanding applications
Technical excellence
Simplicity
Variable
FLEX selections | Technical excellence | Simplicity |
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Fundamental selection Meet your basic measurement needs |
Technical excellence
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Simplicity
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Lean selection Handle your core processes easily |
Technical excellence
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Simplicity
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Extended selection Optimize your processes with innovative technologies |
Technical excellence
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Simplicity
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Xpert selection Master your most challenging applications |
Technical excellence
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Simplicity
Variable |
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Specs at a glance
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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)
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Quick selection
Individual configuration
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Benefits
One assembly for all applications: The 'one for all' principle optimizes stockholding, speeds up project handling and simplifies life cycle management.
Easy and safe maintenance: Sensor service and cleaning without process interruption.
Robust design:...
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Field of application
Cleanfit COA451 is a retractable assembly for oxygen sensors with a diameter of 40mm in:
Wastewater treatment plants:
- O2 control in the aeration basin
- Process water treatment and monitoringWater works:
- Status monitoring of drinking water
- Water...
Documents / Manuals / Software
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Cleanfit COA451
Manually operated retractable assembly for water, wastewater and process
mediaTechnical Information (TI) -
Cleanfit COA451
Retractable process assembly
Operating Instruction (BA) -
SD CleanFit Servicekits / Spare part kits
CleanFit Wechselarmaturen / Retractable assemblies
Special Documentation (SD) -
Cleanfit COA451
Wechselarmatur zur einfachen Entnahme der Sonde aus dem Prozess unter
Prozessbedingungen mit SpülwasseranschlussTender Text11/09German -
COA 451
Changeover armature for easy probe retraction from the process in
process conditions, with rinsing water connectionTender Text04/09English
Accessories / Spare parts
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Order code
Compatibility CxA451
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Nr 22 Order code 51512981
Kit CxA451: O-ring set FPM (Viton)
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Nr 14 Order code 51513156
Kit CxA451: Retraction pipe short
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Nr 5 Order code 51513158
Kit CxA451: Retraction pipe long
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Order code 51513164
Kit COA/CUA451:Sensor holder CUS41Long
For Sensors CUS41, CUS51D, COS31, COS61, COS61D
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Order code 51513166
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Nr 11,12,13,2 Order code 71425249
Kit universal sensor holder short
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Nr 3,4,11,20 Order code 71425251
Kit universal sensor holder long
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Nr 1,2,11,12, Order code 71425252
Kit retrofit univ. sensor holder short
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Nr 1,2,3,4,11 Order code 71425253
Kit retrofit univ. sensor holder long
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Order code 71425255
Kit locking rings new sensor holder
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Nr 1,2 Order code 71475985
Kit CUA451/COA451 Bayonet nut
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Nr 1,2 Order code 71485020
Kit CPA451 Bayonet nut
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Nr 2 Order code 51513168
Kit CxA451: 1 pair of ball handles
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Nr 6,7,9,11,1 Order code 51513169
Kit CxA451: Set of small components
includes 5 bracket, 10 Securing screws 2 Bayonet lock, 15 Grub screw 1 Greace nipple
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Nr 10 Order code 51512982
Kit CxA451 Ball valve rinse outlet G1/8"
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Nr 8,16,17,18 Order code 51513154
Kit CxA451: Ball valve with flange DN50
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Nr 8,16,17,18 Order code 51513155
Kit CxA451: Ball valve w. flange ANSI 2"
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Nr 8,16,17 Order code 51513159
Kit CxA451: Ball valve G2" female thread
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Order code 71448684
Kit CxA451 Welding adapter R2" 1.4404
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Order code 50080249
welded fitting 1.4571 DN50/ANSI
For retractable holder COA 461/CUA 461/ CPA451 / CUA451 / COA451. connection DN50 and ANSI 2". (Gasket to be provided by customer)
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Order code 51500912
Welding socket for spray cleaning VA
for automatic spray cleaning of sensors CUS 31/41, CPF81/82 in tubes or tanks welding socket DN 65 with removeable spray jet and flange DN 50 / ANSI 2" for connection of CUA 461 / CUA 120-B / CPA451 / CUA451 / COA451 Material: SS / Viton Connection spray tube: Thread R 1/4" Pressure / temperature: 6 bar / 80oC
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Predecessor