HEROSE 15C01, Operating Instructions Manual, Page: 13 / 14

Operating instructions
herose.com
9
6 Operation
6.1 Prior to start-up

Check the following points prior to start-up:
 All assembly and installation work are completed.
 If fitted: Remove transport lock before start-up.
 The safety guards are in place.
 Compare the material, pressure, temperature and installation position with the layout plan for
the pipework system.
 Dirt and residues have been removed from the pipeline and valve in order to prevent leaks.
7 Maintenance and service
7.1 Safety during cleaning

Take note of the specifications in the safety data sheet and the general occupational health and
safety rules if degreasers are used for process-related reasons for the cleaning of bearing parts,
fittings and other precision parts.
7.2 Maintenance
The maintenance intervals must be defined by the user according to the operating conditions.
The recommendations for the functional checking of the valves are to be taken from section 7.2.1
"Inspection and maintenance intervals" in these operating instructions.
7.2.1 Inspection and maintenance intervals
Recommended intervals
Description Interval Scope
Inspection  During start-up
 Visual inspection
 of the valve for damage;
 of the marking for legibility;
 Installation position;
 Leak-tightness
 at the gland packing;

between bonnet and body;
 of the valve seat;
 Test of the opening and closing
function of the valve.
Functional testing  annually
 Test of the opening and closing
function of the valve(s), including
visual inspection.
External inspection  Every 2 years
 Check of function and leak-
tightness including visual check.
Internal inspection

Every 5 years
 Replacement of all sealing
elements, including a function and
leak test as well as a visual
inspection.
Hydraulic testing  Every 10 years
 Replacement of all sealing
elements, including a function, leak
and pressure test as well as an
inspection.