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Our customer is sending the condenser out for evaluation of the welds. When I get the report I will post the results. thanks for your reply.

My company manufactures solvent recycling machines and we have encountered a problem with our aluminum condensers. A customers is trying to recycle heptane using our recyler. The heptane is heated to 80-95C. When the vapors reach the condenser, it attacks the weld. Is the heptane creating...

the inside of the control box will be purged. it is less costly to purge our control over the cost on enclosing everything in a exp proof box.

i am working on a control system that will be purged for class 1 division 1 area. can i use standard off the shelf galvanized nipples to connect my control box to a junction hub or will i need to use ridgid conduit? if i need to use ridgid conduit what sch of conduit?

the machine i am designing is for the recycling of solvents. the unit will only rotate once or twice in a 12 hour period. this will allow to remove any waste from the solvent tank. will the flexible conduit work for this application?

can anyone tell me where to find specifications for power cable installation on a rotating machine in a class 1 div 1 area? i am designing a machine that pivots 92 deg and i do not know how to install the power cable to meet the classification for the area.