64 …64
Edition 10.15 • No
. 270 442
Karl Dungs GmbH & Co. KG
Siemensstr. 6-10
D-73660 Urbach, Germany
Phone +49 (0)7181-804-0
Fax +49 (0)7181-804-166
e-mail: [email protected]
Internet: www.dungs.com
Company address
The Pressure Equipment Directive (PED) and the
Energy Performance for Buildings Directive (EPBD)
require the heating installations to be checked at
regular intervals to ensure high long-term utilisation
ratios, resulting in minimum environmental impact.
It is necessary to replace safety-related com
-
ponents after the end of their service life. This
recommendation applies only to heating instal-
lations and not to thermal process installations.
DUNGS recommends to exchange them ac
-
cording to the following table:
Safety-relevant component
SERVICE LIFE
DUNGS recom
-
mends exchanging
them after:
operating cy-
cles
EN
Standard
Valve proving systems
10 years
250,000
EN 1643
Pressure switches
10 years
N/A
EN 1854
Automatic burner with flame safeguard
10 years
250,000
EN 1854
UV flame sensor
10,000 h operating hours
Gas pressure regulators
15 years
N/A
EN 334
Gas valve without valve proving system*
10 years
50,000-500,000
size-dependent
EN 126
EN 161
Min. gas pressure switch
10 years
N/A
IEN 1643
Safety relief valve
10 years
N/A
EN 88
EN 14382
Safety shutoff valve
10 years
N/A
EN 14382
Air/gas combined system
10 years
N/A
EN 12067
* Gas families I, II, III N/A cannot be used.
Subject to technical modification in the interest of technical progress.
Summary of Contents for FRM 100025 HD
Page 76: ...32 64 Edition 10 15 Nr 270 047 X Y R Q T S U V W H M C A B D E G F J I K L N O P...
Page 98: ...54 64 Edition 10 15 Nr 270 047 B C I K L M 15 Ersatzteile A D E F G H I J...
Page 140: ...32 64 Edition 10 15 No 270 442 X Y R Q T S U V W H M C A B D E G F J I K L N O P...
Page 162: ...54 64 Edition 10 15 No 270 442 B C I K L M 15 Spare parts A D E F G H I J...
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