While Resistoflex Plastic-Lined Piping Products can be used in dry
The Chlorine Institute states that it may be more economical to use
carbon steel -
as long as the system will be operated in the temperature range
and 300°F (-30°C to 150°C), and if no moisture will be
Contact The Chlorine Institute at 1-202-775-2790 for information
use of metallic piping systems for dry chlorine service.
There are many locations, such as injection points or the downstream side of
barometric loops, where moisture may make PTFE or PVDF-lined pipe a more attractive
alternative than carbon steel. In these locations, you should design for wet
chlorine rather than dry chlorine. If PTFE-lined pipe is used, the temperature
limit is 300°F (150°C). At temperatures above this, a reaction may result
between the carbon steel outer shell and chlorine permeating through the PTFE
liner, possibly causing a fire. If plastic-lined pipe is being considered
for a pressurized chlorine liquid application for maximum working pressures,
contact Resistoflex Technical Service at 989-671-3100.
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