Installation
Mounting Orientation
The meter can be installed to operate in any position�
Models with 1 in. (25.40 mm) Male NPTF End Connections
Pipe Support
Plastic Coupling
Plastic Coupling
Union
Metal Pipe
Figure 5: 1 in. (25.40 mm) Male NPTF installation
1� Apply a single layer of Teflon® tape to the male NPT threads of the flow meter�
2� Thread the flow meter inlet into a 1 in� NPT plastic, female pipe coupling�
3� Thread the flow meter and coupling onto the inlet pipe and hand tighten� Make sure
the flow direction arrow on the flow meter corresponds with the system flow direction�
See
Figure 4
�
4� Place an open-end wrench on the flow meter body hex and place a pipe wrench on the
metal mating pipe� Tighten until snug� Do not overtighten� Make sure the flow meter
scale is oriented for convenient viewing� Do not back-off or unscrew fittings to rotate
scale for better viewing�
5� Thread a 1 in� NPT plastic pipe coupling to the outlet connection of the flow meter�
Stack a pipe nipple and half of a pipe union onto the pipe coupling� Tighten the
assembly as needed�
6� Install the other half of the pipe union to the outlet pipe and connect the union
halves together�
7� Piping should be supported and aligned properly to avoid placing stress on the flow
meter body�
8� Slide the limit indicators to point to appropriate positions on the flow meter scale� To
remove the limit indicators, slide them fully toward the flow meter outlet�
Page 10
October 2019
VAM-UM-00367-EN-03
www.
.com
1.800.561.8187
