Onicon FT-3500 - Page 15

FT
-
3500 ELECTROMAGNETIC FLOW METER
ONICON Incorporated 727.447.6140 Page 15 onicon.com
Upstream obstruction
(A) Minimum straight run required
upstream of meter location
Single bend preceded by ≥ 9 diameters of straight pipe 10 Diameters
Pipe size reduction / expansion in straight pipe run 10 Diameters
Single bend preceded by ≤ 9 diameters of straight pipe 15 Diameters
Outowing tee / Pump outow 20 Diameters
Multiple bends out of plane 30 Diameters
Inowing tee 30 Diameters
Control / Modulating valve 30 Diameters
Installation with Grounding Rings with
Non-conductive Pipe
Additional straight run may be required upstream of the upstream grounding ring based on the nature of
the upstream obstruction. Refer to the chart above to determine how much straight run is required.
5D
A
Upstream
Downstream
Available Straight Run
FT-3500 Series
30 - 40"
depending on
pipe size
CLEARANCE
REQUIRED FOR
INSTALLATION
5D
A
Upstream
Downstream
Available Straight Run
Vertical
Pipe
Position
For Horizontal Pipe
Position Meter
Anywhere in Upper
240º (All Meters)
FLOW
FLOW
FLOW