Hi shyamshins
First: whatever JJ has already said - do that
Plus: I looked at your carbon pic and it looks to me like the beginning of blistering in a couple of spots. Have a very close look under magnification - I think you'll see this. It's a fairly common problem with ammonia compressor...
Hi Shyamshins
You're best source of help will the engineering department - specifically a mixer seal product engineer - of any of the big 3 or 4 seal companies. You'll find it surprising the expected difference in performance of different face material combinations. Talk about humidity. Ask...
Hi RE
Just some thoughts. Go over with operations, in as much detail as they'll stand, what is going on when they're starting the pump, swinging the pump, flushing out the pump, venting the pump. Don't rule out that your stuffing box may be seeing a lot higher pressure than you think. It'll...
