503.20 p.03
Safety indications are indicated by the following key words or symbols
indication used for:
For the gas pressure regulator with integrated SAV RMG 503 the detailed product information 503.00 is
available containing
technical data, designs and measurements as well as design descriptions and operating
notices
.
The pertinent subassemblies are described in separate operating and maintenance instructions:
regulator RMG 630/640 630.20
filter RMG 905 905.20
control unit K 10a / K 11a 672.20
control unit K 16 / K 17 / K 18 670.20
push button valve RMG 910a 910.20
push button valve RMG 913a 913.20
1. General matters
1.1 Safety notices
The RMG publication "General operating instructions for gas pressure regulators and safety devices" provides
information on installation, commissioning, and operation, and contains notices on fault removal.
For planning and maintenance of gas pressure regulators the relevant national regulations must be observed:
Germany: DVGW worksheets G 600, G 459/II, G 490/I, G 491 and G 495
The time intervals for maintenance works on the pressure reducer RMG 218 (D118aV) depend largely on the
operating conditions and the composition of the gas. Therefore, no fixed maintenance intervals are being
prescribed. It is recommended to keep to the maintenance cycles stated in the DVGW worksheet G 495.
During maintenance all components must be cleaned and thoroughly checked for safety. A visual
check is required even if irregularities were found during operation or functional checks.
The check must cover seals and membranes in particular as well as any guiding components. Damaged
components must be renewed.
The item numbers mentioned in the maintenance notices correspond to those in the spare part drawing and
spare parts list.
It is recommended to keep the parts marked "W" in the spare part drawings and spare part lists in stock for
maintenance purposes. These parts are listed on a separate sheet.
!
Danger
!
Caution
Note
danger to persons
danger to equipment and the environment
Important additional information
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