Goetze 455 Manual Del Usuario página 13

9
Marking / testing
1: Valve type
2: Nominal size
3: Narrowest cross-section
of flow
4: Valve stroke
5: Seat seal material
6: Serial number
7: Setting pressure
8: Allowable back pressure
9: Set temperature
10: General and application-specific
standards as required
11: Opening pressure difference
for steam
12: Opening pressure difference
for gas
13: Opening pressure difference
for water
14: TÜV-mark Safety Valve
Year of component test
Test number
Narrowest flow diameter
15: Co-efficient for steam / gases
16: Co-efficient for liquids
17: Data matrix code
(serial number)
18: CE labelling
Assembly and maintenance instructions - 455, 355, 255 www.goetze-armaturen.de