Doug,

I'm an old Petroleum Worker. 60V is to capable of creating a spark hot
enough to Blow the Place up.

We did, however, use 25 Volt, 5 to 25 ma Instrumentation on the New
Refinery out here.

A Comment to satisfy ASA; I transfer out here because of my Pneumatic
Background, That is the reason for the name of my boat; "Pneuma" I had
to have an Air powered boat!! Also; Pneumatics have yet to create a
spark in an explosive environment.

Our Instrumentation out here was basically "Rochester Analog" with
Fischer pneumatic driven control valves. Signals to "Big Blue" IBM
computer for accounting. It wasn't long before we upgraded to total
Digital, Followed rapidly to 100% Computer Control. However the same
old pneumatic valve are at the end of the control circuit.

My gang called me; "The Old Huff & Puffer" and I called them; "Wink,
Blinkers & Nodders" I called my Venture 2-22 "
"Huff & Puff"



http://community.webtv.net/tassail/ThomPage

http://community.webtv.net/tassail/Pneuma