9
TÜV symbol
Safety valve
Year of component test
Component test number
Narrowest flow cross-section
Code letters:
D/G/H designed for heating systems
D/G designed for steam/gas
F designed for liquids
F/K/S designed for blowing off air from
tanks for liquid, granular or dust goods
Coefficient of discharge
Set pressure in bar
We check the safety valves for pressure resistance and tightness, adjust the requested
set pressure and seal them.
The identification on the type plate or on the spring bonnet of the valve is applied
using a permanent marking system.
The type plate is additionally marked with identification codes and technical data in
compliance with DIN EN ISO 4126-1.
Identification / Testing
TÜV. SV. xx- xxxx .xx. D/G/H . 0,xx. xx
D/G
F
F/K/S