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Page 5
Caution: Follow these instructions to avoid
failure.
Danger:
Wear eye protection when
installing or removing flowmeter.
1. Polysulfone and other exotic plastics
cannot tolerate PVC Glue and /or pipe dope.
even fumes can cause crazing.
2. If you are installing your flowmeter to
a glued pipe configuration, install
flowmeter after all glued fittings are dried
and lines are purged of all fumes.
Use Teflon® tape (or similar) for the
flowmeters threaded adapters.
Hand tighten union nuts. No wrenches.
3. Wall, floor, and ceiling mounts are to
be carefully aligned and sturdy. Wall,
floor, and ceiling supports are recom-
mended as needed.
4. Valves - Avoid a system that will impose a sudden burst of flow to the meter. Such
a burst will cause the float to impact the float stop with destructive force. Magnet,
solenoid, or other quick opening valves cannot be used unless meter is protected
against sudden bursts of flow.
5. The maximum working pressure should not exceed 150 psi at ambient
temperature.
Maximum Temperature vs. Pressure
Temperature
200°F / 93.3°C
190°F / 87.8°C
180°F / 82.2°C
170°F / 76.7°C
160°F / 71.1°C
150°F / 65.6°C
140°F / 60.0°C
130°F / 54.4°C
120°F / 48.9°C
110°F / 43.3°C
100°F / 37.8°C
90°F / 32.2°C
80°F / 26.7°C
70°F / 21.1°C
0 / 0
25 / 1.7
50 / 3.4
PSIg / BAR
Ceiling
1
3
4
Floor
75 / 5.2
100 / 6.9
3
2
3
5
125 / 8.6
150 / 10.3
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