Relations there are many.
Ex is a risk reduction factor for HAZOP. See Ga, Gb and Gc. A reason why we use Gb type of installations in Zone 2/22.
Ex defines the normal operation for HAZOP.
HAZOP supports to identify the possible safety levels for installation and technology in hazardous environment, Ex does deliver it.
Great combination, few utilize.
Keep up good work
Arpad
Temperature control and heat reduction are extremely critical, but unfortunately, they are
Since the early 1990s industries have expressed the need for an internationally
Ex inspection is not an independent personnel competency. It is part of
Sewers explode in Guadalajara, Mexico, killing hundreds Dozens of sewer explosions in
arpadveress 
