HEROSE 06001, Руководство по эксплуатации

Страница: 27 / 84

Operating instructions
herose.com 21
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
Recommended intervals
Inspection Interval Scope

Inspection
During start-up

Visual inspection

of the valve for damage;

of the valving marking for legibility;

for absence of damage to the
sealing

Leak-tightness

Union of the valve seat;

If existent, actuation of the lifting
device.

Functional testing
Annually

If present, test of lifting device including
visual inspection.

External inspection
Every 2 years

Function and tightness test including
visual inspection.

Internal inspection
Every 5 years or ≥ 500
loading cycles

Replacement of all sealing elements by
the manufacturer including functional,
tightness test and visual inspection.

Strength test
Every 10 years

Replacement of all sealing elements by
the manufacturer including functional,
leak-tightness, pressure test and
inspection.