HEROSE 05411 Instrucciones De Servicio página 29

5.3 Welding / soldering
Welding / soldering of the valves and any heat treatment that may be required are the responsibility of the
contracting construction company or operating company.
Before welding / soldering

Operating instructions
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Loosen the bolts

Direction of rotation: counter
clockwise
Remove the screws

Remove bonnet and seal

Remove the obturator

Dispose of the seal

Weld / solder in the body

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