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Beschikbare talen
Beschikbare talen
8
Warranty
Every valve is tested prior to leaving the factory. We grant a warranty for our products
which entails the repair, free of charge, of any parts that are returned and verified as
being prematurely unsuitable for use due to defective material or manufacturing. We
shall not assume any liability for any damage or other such obligations. If the factory
seal is damaged, in the event of any incorrect handling or installation, non-observance of
these operating and maintenance instructions, contamination or normal wear, warranty
claims shall be null and void.
9
Marking/testing
TÜV symbol
Safety valve
Year of component test
Component test number
Narrowest flow cross-section
Code letters:
D/G
designed for steam/gas
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 reques-
ted 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.
Assembly and maintenance instructions - 810/410, 812/412, 813/413, 690/691 | Version: 06/2023 · V02
TÜV. SV. xx-xxxx.xx. D/G.
0,xx. xx
F/K/S
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