Dresser B3 Series - User Manual

Dresser Series B3 Rotary Meter
Models 8C175-56M175
Refer to IOM-B3 for Complete Instructions
Receiving, Handling And Storage
Although of very rugged construction, reasonable care should be given
during handling and storage.
At time of delivery
1. Check the packing list to account for all items received.
2. Inspect each item for damage.
3. Record any visible damage or shortages on the delivery record.
• File a claim with the carrier.
• Notify your Roots Meter supplier immediately.
IMPORTANT NOTES
• Do not attempt repairs or adjustments, as doing so may be a basis for voiding all claims
for warranty.
• Do not add oil to the two meter end cover oil reservoirs until after the meter has been
permanently installed and is ready for service. The Series 3 Accessory Units do not
require lubrication.
Introduction – Use And Limitations
Meters of standard construction are not directly suitable for handling acetylene, biogas or
sewage gas. Specially constructed meters made of materials directly compatible with these
and other gases are available. Please contact your Roots Meter supplier for details and to
request publication TS:SSM.
Meter Installation – Piping Configurations
Line mounted Dresser meters may be installed in either a Top Inlet (vertical) or a Side Inlet
(horizontal) configuration. The preferred or recommended installation is top inlet in a vertical
pipeline with gas flow downward.
Side Inlet
Top Inlet
Oil Fill Plugs
Oil Fill Plugs
Oil Fill Plugs
Oil Sight Gauges
8C-16M Oil Fill Plug and Oil Level Sight Gauge Locations
23M-56M Oil Fill Plug and Oil Level Sight Gauge Locations
Oil Sight Gauges
Oil Sight Gauges
CAUTION: THE METER END COVER IS PRESSURIZED.
Bleed off the line pressure before removing the oil fill or drain plug from the meter.
Gear End
Counter
End
Oil Sight Gauges will be parallel and on
the bottom for top inlet and side inlet
TROUBLE SHOOTING CHECKLIST
Trouble Item Possible Cause Remedy
No Flow
Registered
1 Obstruction in piping
meter
Check pipe and valve to assure an open
flow path. Check for impeller rotation.
Refer to Step #5 “Placing meter in line.”
2 Index or RPM wheel
does not return.
No gas flow. Open valve or remove
obstruction per item 1.
High
Differential
3 Build-up of deposits in
measuring chamber.
Flush meter.
4 Worn bearings or
gears.
Replace or Return to our Product Service
Department.
5 High oil level or
heavy oil
Check oil level and cleanliness.
6 Impellers rubbing
cylinder or headplates,
or meter out of time
Rotate impellers manually to check for
binding or rubbing. Remove obstructions
and/or time the meter. Check the meter
level.
Vibration/
Noise
7 Piping misalignment
or strain.
Remove piping strain. Level meter.
8 Impellers rubbing See items #4 & #6.
9 Contaminants in
measuring chamber
See item #3.
Dresser Measurement
www.dresserutility.com
Series B3 Installation Supplement NGS.MI.0018a
07.21
Dresser Measurement
16240 Port Northwest Drive
Houston, TX 77041
T: 1- 80 0- 521-1114
F: 1-800-335-5224
The Dresser Logo and all Trademarks containing the term “Dresser”
are the property of Dresser, LLC, a subsidiary of Baker Hughes.
Dr
esser B3 Meters: Installation Supplement and IOM

Dresser B3 Series Specifications