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Specification Dn:
(*0mm, *5mm, *2mm, *0mm, *0mm, *3mm, *5mm, *0mm, **0mm)
Properties:
1). The linear expansion coefficient accounts only for one-third of
the ordinary PP-R products
2). Strengthening of pipe rigidity preventing deflection of
pipeline and the same time reducing density and quantity of fixed
supporting points, thus reducing comprehensive cost of the
pipeline
3). Good resistance to ultraviolet radiation: black outside layer
of FR-R pipe can eliminate radiation of solar energy providing pipe
with a protective barrier against ultraviolet radiation. It can be
directly used for open-air installation without deformation,
resistant to color change and resistant to aging. It has longer
service life, and is the ideal choice for outdoor construction of
solar and heat energy systems
4). Higher pressure resistance and longer service life under
conditions of designed vibration force
5). Better resistance to high temperature and obvious of
energy-saving and consumption reducing effects. In case using FR-R
in hot water system, normal service temperature can reach *5~**0
degree, in creasing temperature of the usage medium, reducing
thickness of thermal insulating material and comprehensive
cost.
6). High flow-rate of water: under condition of same pressure
class, wall thickness of FR-R pipe is lower, increasing internal
diameter of pipe, thus increasing flow-rate of water.
7). Solved problem of air permeability of pipeline, hygienic and
not toxic internal surface contacting with water, good tightness
and cannot form water moss. The structure of intermittent layer of
Kexing glass fiber reinforced FR. PP-R pipe can totally isolate the
outside air, which cannot infiltrate into the pipeline, thus
restraining growth of alga, always keeping water fresh and
clean
