We have a new product from a manufacturer who claims they can provide a wireless interface to any existing transmitter in the field.
The wireless transmitter they provide is Ex i, powered by batteries, and it will provide 2-wire (4-20 mA signal, 24 VDC power) to local Ex d transmitters.
My...
Thanks a lot for your comprehensive and helpful reply. To confirm my understanding, it is not enough to specify flanges rating. but we need to confirm pressure and temperature ratings for the valve as well.
EDIT : or can I specify ASME B16.34 ratings as the relevant design standard for flange...
I am referring to API 526, 5th edition, June 2002
In table 16 for example, Chrome Molybdenum Steel: there are two rows both of which are 8T10 with 300x150 rating. why is it repeated?
It seems that the ratings (valve, bellows and flanges) are different between the two rows. shouldn't they are be...
