Rifeng Products Application Cautions contain cautions for use of Rifeng products. Failure to observe these cautions during using Rifeng products may result in substandard performance of Rifeng products. Rifeng Piping Systems expressly disclaim any responsibility or liability for substandard performance resulting from failure to comply with Rifeng Products Application Cautions.

Warning:
Rifeng pipes must be installed by a licensed professional installer in accordance with Rifeng installation instructions. User is not allowed to replace or repair without authorization.

Rifeng Piping Systems disclaim any responsibility or liability failures due to unauthorized tools,components or fittings application in Rifeng piping system.For authorized tools,components,or fittings,please follow the Rifeng installation guidelines or consult us at service@rifeng.com or by tel:86-757-82229829.

WHAT IS RIFENG PIPE?
* is a flexible plastic pipe for hot and cold water plumbing applications.
* is installed using insert copper fittings, could be fixed with spanner or crimp tools.
*can be used in residential and commercial hot and cold water plumbing applications.
*can be used in hydronic radiant floor applications.
*can be used in gas supply applications.
Note:Different rubber sealing ring is used for Rifeng gas fittings(NBR rubber sealer) from Rifeng water fittings(EPDM rubber sealer).
*can be bent with tools(bending spring or bending tool)in a radius as small as 5 times the outside diameter of the Rifeng PAP pipe,or 6 times the outside diameter of the Rifeng PEX pipe.

CAUTIONS:
RIFENG PIPE IS MADE OF CROSSLINKED OR NON-CROSSLINKED POLYETHYLENE (WITH ALUMINIUM FOR PAP,OR WITHOUT ALUMINIUM FOR PEX), COULD NOT RESIST FOLLOWING CASES. ANY ONE OR MORE OF FOLLOWING CASES COULD CAUSE SEVERE DAMAGE. USER SHOULD AVOID THEM DURING DAILY USE.
(1)Frozen water in pipe could destroy the pipe. If warm system is shut off during winter, user should take action to prevent water from being frozen in pipe. Recommended methods include using insulation pipes, adding anti-freezer to the water, or expelling water from pipe with compressed air after water pressure test of installation.
(2)Damage due to undesirable sharp objects or breaks by other external object during using. The Rifeng Pipe outside layer is crosslinked or non-crosslinked polyethylene, it is not so strong to resist sharp objects or crush.
(3)Damage or wear from excessive operating conditions inconsistent with pressure/temprature ratings that appear on tubing and applicable standards, accident, abuse, misuse, or unauthorized alterations or repair.
(4)Exposure to harmful, unauthorized or unanticipated chemicals or substances such as pipe thread compounds, putty, mineral or linseed oil products,or corrosive water conditions,is not allowed.
(5)Exposure to direct flame is not allowed.
(6)Prolonged exposure to free chlorine concentrations greater than 4 ppm is not allowed.
(7)Exposure to materials that affect the basic properties of crosslinked or non-crosslinked polyethylene, brass, or copper is not allowed.
Rifeng Piping Systems claim this Rifeng Products Application Cautions does not include all cases possibly met during Rifeng products’ services. If users meet any new case or have any questions on above cautions, please contact us by email: service@rifeng.com or by 86-757-82229829.