This system is mounted directly onto a short-flanged stem welded to the stack. It uses a sintered metal probe (detailed in a separate line item) to draw the sample.
24" x 24" x 10" NEMA 4X stainless steel enclosure
Enclosure is heated and insulated
Two 3-way valves for control of sample flow, auto-blank, and span check
One valve for auto-clean cycle (turns off aspirator and opens blank gas flow to blow back through sintered metal filter)
Adjustable flow switch for monitoring pluggage of sintered metal filter
Needle valve to control aspirator flow
Suction gauge to monitor aspirator pressure
Needle valve to control aspirator flow
ANSI 2" class 150, 4 bolt pattern mating, raised face flange (2" mating nozzle by others)
3/8" insulation board
3/4" NPT connections for wiring
1/4" Compression bulkheads in bottom of enclosure for tubing sample, blank, span, exhaust and purge connections