90
OPERATING MANUAL
VERSION 05/2017 ORDER NUMBER DOC 2357061
9.2.6 PRODUCT HOSES, TUBES AND COUPLINGS
The service life of the complete hoses between product pressure generator and application
device is reduced due to environmental inuences even when handled correctly.
Check hoses, pipes, and couplings every day and replace if necessary.
Additionally, the operator must regularly check the complete hoses for wear and tear
as well as for damage at intervals that he/she has set. Records of these checks must
be kept.
Undamaged complete hoses are to be replaced when one of the two following intervals
has been exceeded:
− 6 years from the date of the hose crimping (see tting embossing).
− 10 years from the date of the hose imprinting.
Fitting embossing
Meaning
(if present)
xxx bar Pressure
yymm Crimping date (year/month)
XX Internal code
Hose imprinting Meaning
WAGNER Name / Manufacturer
yymm Date of manufacture (year/month)
xxx bar (xx MPa)
e.g., 270 bar (27 MPa)
Pressure
XX Internal code
DNxx (e.g., DN10) Nominal diameter
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