Correct Use - GEM 8257 Operating Instructions Manual

4 Correct use

trol aperture 3 in the diaphragm *102. The generated pressure
differential lifts the diaphragm, and the main valve seat 1 is
opened.
All the parts marked * are included in the respective wearing
parts kit. When ordering spare parts, please state the com-
plete valve order number.
4 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.
1. Use the product in accordance with the technical data.
2. Note the supplement acc. to ATEX
3. Please note the flow direction on the valve body.
GEMÜ 8257
DANGER
WARNING
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