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5 Correct use
5 Correct use
Danger of explosion!
▶ Risk of severe injury or death
Do not use the product in potentially
●
explosive zones.
Only use the product in potentially ex-
●
plosive zones confirmed in the declara-
tion of conformity.
Improper use of the product!
▶ Risk of severe injury or death
▶ Manufacturer liability and guarantee will be void.
Only use the product in accordance with the operating
●
conditions specified in the contract documentation and in
this document.
The product is designed for installation in piping systems and
for controlling a working medium.
● Use the product in accordance with the technical data.
5.1 Product without special function X
The product is not intended for use in potentially explosive
areas.
5.2 Product with special function X
With the special version X order option, the product is inten-
ded for use in potentially explosive areas in zone 1 with gases,
mists or vapours and zone 21 with combustible dusts in ac-
cordance with EU Directive 2014/34/EU (ATEX).
The product has the following explosion protection marking:
Gas:
II -/2 G Ex h -/IIB T6 ...T3 -/Gb X
Dust:
II -/2 D Ex h -/IIIC T150°C -/Db X
The product has been developed in compliance with the fol-
lowing harmonized standards:
- EN 1127-1:2011
- ISO 80079-36:2016
- ISO 80079-37:2016
The product can be used in the following ambient temperat-
ure ranges: -20 °C...+70 °C
For use in potentially explosive areas, the following special
conditions or operation limits must be observed:
Index X is applied to the ATEX marking.
The following special conditions must be complied with:
- Temperature class depending on the temperature of the
conveyed medium and the clock frequency
- Not permissible as an end-of-line valve
GEMÜ R478 Tugela
DANGER
WARNING
8 / 56
www.gemu-group.com
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