HEROSE 7111 Instrucciones De Servicio página 21

4.3 Intended application
Diverter plug valve for the installation of two safety valves in combination with bursting discs for protecting
gas storage tanks. The requirements of the pressure equipment directive for redundant or different types
of safety devices are fulfilled with this valve and in combination with safety valves with the same setting
pressure. Additional connections for suitable bursting discs are available on each side.
In the case of servicing the safety valves or replacement of the bursting discs, the side to be serviced is
isolated from the vessel.
In the end position one outlet is open and the other is closed. It is not possible to shut off both outlets at
the same time.
4.4 Operational data
Valve
7111
4.5 Media
Gases, cryogenic liquefied gases and their gas mixtures, such as:
Name
Argon
Chlorotrifluoromethane
Nitrous oxide
Ethane
Ethylene
Carbon dioxide
Carbon monoxide
Krypton
LPG
LNG
Methane
Oxygen
Nitrogen oxide
Nitrogen,
Trifluoromethane
Hydrogen
Operating instructions
Nominal
Temperature
pressure
-196 °C to +120 °C
PN50 -196 °C to +60 °C
-196 °C to +120 °C
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Max. working pressure
50 bar
40 bar with O application
2
25 bar with O application
2
15