Hello,
We are a chemical process plant in oil gas industry. There are lots of pneumatic on and off actuated valves in the system. (outdoor) The air comes from control cabinet directly. (PLC drives remote solenoid island IO)
Historically, we use SS316 tubings to connect valve actuators to the air...
Hi folks,
We have a very hazardous chemical for bulk handling. At the end of the unloading (from the truck to the storage tank), the hose still has some chemical in it. We have difficulties to purge the hose to a safe place. (not able to purge to the tank for certain reasons). We then turn the...
We have been using shielded ITC blue cable for intrinsically safe circuit.
It is running in cable tray for major long run.
However, when jumping off the cable tray, do those IS cables need to be run in conduit to get to the IS instruments? Is free-run cable allowed per code?
Thanks...
