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April 2009
Application Requirements (cont.)
•
For air, nitrogen, oxygen or argon, refer to Table 3-1 on the
next page.
•
For natural gas, refer to Table 3-2 on page 3-7.
•
For steam, refer to Table 3-3 on page 3-9.
1. Find the pipe size of your application
2. Then find the pipe wall thickness of your application.
3. With the pipe size and pipe wall thickness, determine if your
application meets the minimum pressure requirements.
4. Use the same row in the appropriate table to determine the
maximum flow velocity capability of the PT878GC. For
reference, the table provides the recommended number of
traverses and transducer frequency for your application.
Note: All provided data is based on metal pipes; plastic pipes
have a minimum pressure requirement of ambient air or
any non-attenuating gas with a minimum density of 0.074
lbs/cf (1.185 kg/m
involving natural gas with sulfur or high carbon dioxide
content, or for applications not listed in the tables.
3-4
Installing the Dampening Material, Transducers and Fixtures
3
). Consult the factory for applications
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