HEROSE 11C01 Notice D'utilisation page 40

6 Operation
6.1 Prior to start-up
Check the following points prior to start-up:

All mounting and installation work are completed.

If fitted: The blocking bushing was removed prior to start-up.

The safety guards are in place.

Compare the material, pressure, temperature and installation position with the layout plan for

the pipework system.
Remove dirt and residues from the pipeline and globe 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, the general occupational health and

safety rules and the HEROSE information sheet "Use with oxygen" if degreasers are used for
process-related reasons for the cleaning of bearing parts, unions and other precision parts.
7.2 Maintenance
The maintenance and inspection intervals must be defined by the operating company according to the
operating conditions and the national regulations.
The manufacturer's general recommendations for the maintenance and inspection of the globe valves are
given in the table below and are based on the national standards of the country of manufacture.
Inspection and maintenance intervals
Description
Inspection
Functional testing
External inspection
Internal inspection
Hydraulic test
34
Operating instructions
Recommended intervals
Interval
During start-up

Annually

Every 2 years

Every 5 years

Every 10 years

Phone +49 4531 509-0
Scope
Visual inspection

of the globe valve for damage;

of the valving marking for

legibility;
Installation position;

Leak-tightness

at the packing gland;

between bonnet and body;

of the valve seat;

Test the opening and closing

functions of the globe valve.
Test the opening and closing

functions of the globe valve
including a visual inspection.
Function and tightness test

including visual check.
Replacement of all sealing

elements, including a function and
tightness test as well as a visual
inspection.
Replacement of all sealing

elements, including a function, leak
and pressure test as well as an
inspection.