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Scope of This Manual

 Page 3 

TRB-UM-00478-EN-01

September 2018

SCOPE OF THIS MANUAL

This manual is intended as an installation and operation guide for the Cox Exact Dual Rotor 
turbine flow meter  Please consult the factory or our website for any questions or concerns 
regarding any of the equipment or installation  The electronic version of this manual is 
available on our website at 

www.badgermeter.com

 

IMPORTANT

Read this manual carefully before attempting operation. Keep the manual in an 

accessible location for future reference.

Unpacking and Inspection

Upon opening the shipping container, visually inspect the product and applicable 
accessories for any physical damage such as scratches, loose or broken parts, or any other 
sign of damage that might have occurred during shipment 

OTEE:

N

If damage is found, request an inspection by the carrier’s agent within 48 hours of 
delivery and file a claim with the carrier  A claim for equipment damage in transit 
is the sole responsibility of the purchaser 

Inspect all packing material carefully to prevent the loss of meter parts or auxiliary 
components, which may have been packed with the shipment  Refer to the packing list/
invoice for a detailed list of items included in the shipment 

SAFETY CONSIDERATIONS

Terminology and Symbols

 

Indicates a hazardous situation, which, if not avoided, is estimated to be 
capable of causing death or serious personal injury 

WARNING

 

Indicates a hazardous situation, which, if not avoided, could result in 
severe personal injury or death 

 

Indicates a hazardous situation, which, if not avoided, is estimated to be 
capable of causing minor or moderate personal injury or damage  
to property  

Summary of Contents for Exact Dual Rotor

Page 1: ...TRB UM 00478 EN 01 September 2018 User Manual Turbine Flow Meters Exact Dual Rotor...

Page 2: ...alves and Piping 8 Calibration 10 Maintenance 11 Bearing Replacement 11 Visual Inspection 11 Recommended Spare and Replacement Parts 11 Troubleshooting 12 Mechanical Issues 12 Electrical Issues 12 Flo...

Page 3: ...n of damage that might have occurred during shipment NOTE N If damage is found request an inspection by the carrier s agent within 48 hours of delivery and file a claim with the carrier A claim for eq...

Page 4: ...rs reduces the fall off of the output frequency at low flow rates extending the usable range or turndown ratio Additionally swirl at the meter inlet which causes a significant inaccuracy in a single r...

Page 5: ...ousing on a common stem The stem is threaded into the downstream support except for the 1 4 in 84 and 3 8 in 86 sizes where it is captured on both ends with a nut Stem nuts are held in place with high...

Page 6: ...on the Swirl Effect The Cox Exact Dual Rotor uses two closely coupled rotors turning in opposite directions The flow exiting from the first rotor greatly affects the inlet incidence angle on the rear...

Page 7: ...an deform the end connection of the flow meter resulting in sealing issues and problems in performing routine maintenance Stainless steel is relatively soft and can be damaged if not handled with care...

Page 8: ...e changes encountered and provide an accurate linearized output MAKE SURE THE CALIBRATION OF THE FLOW METER MATCHES THE APPLICATION FLUID CONDITIONS IN ORDER TO ACHIEVE ACCURACY UNCERTAINTY AND REPEAT...

Page 9: ...application Visual Inspection Simple visual inspection is the only other preventive maintenance to be performed Periodically inspect the flow meter housing for signs of damage wear or fatigue failure...

Page 10: ...ing the system with extreme pressurization variations can damage the internal assembly such that the rotor will no longer rotate Remove the meter and gently blow air through the meter Verify that the...

Page 11: ...0 2 32 0 600 310 228 60 118 110 2 27 1173 5 103 69 53 573 79 2 1 2 40 1 000 500 381 00 190 500 3 78 1892 7 172 82 86 409 35 3 48 2 000 800 762 00 304 800 7 57 3028 345 64 138 254 4 64 5 000 1500 1905...

Page 12: ...2 10 3 8 8 6 0 50 12 70 2 75 69 85 2 42 61 47 0 87 22 10 1 2 8 0 50 12 70 2 75 69 85 2 42 61 47 0 87 22 10 5 8 10 0 625 15 88 2 92 74 17 2 42 61 47 1 00 25 40 3 4 12 0 75 19 05 3 25 82 55 2 53 64 26 1...

Page 13: ...3 8 8 6 0 375 9 53 2 75 69 85 2 42 61 47 0 87 22 10 1 2 8 0 50 12 70 2 75 69 85 2 42 61 47 0 87 22 10 5 8 10 0 75 19 05 2 92 74 17 2 42 61 47 1 00 25 40 3 4 12 0 75 19 05 3 25 82 55 2 53 64 26 1 37 34...

Page 14: ...25 133 3 5 25 133 3 1 1 2 24 1 50 38 10 6 00 152 4 2 80 71 12 5 00 127 0 6 12 155 4 6 12 155 4 2 32 2 00 50 80 6 50 165 1 4 30 109 2 6 00 152 4 6 50 165 1 6 50 165 1 2 1 2 40 2 50 63 50 7 00 177 8 4 3...

Page 15: ...ction 20 24 1 1 2 End Connection 24 32 2 End Connection 32 40 2 1 2 Available for flanges only 40 48 3 Available for flanges only 48 64 4 Available for flanges only 64 End ConnectionType 37 MS Flare A...

Page 16: ...Badger Meter Europe PO Box 341442 Dubai Silicon Oasis Head Quarter Building Wing C Office C209 Dubai UAE 971 4 371 2503 Slovakia Badger Meter Slovakia s r o Racianska 109 B 831 02 Bratislava Slovakia...

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