37
VERSION 01/2018
ORDER NUMBER DOC 2316596
8.2.3.2 PRODUCT HOSES, PIPES 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.
Before every commissioning, check all connections for leaks.
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
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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