Apex Instruments offers Button-Hook Nozzles in a multitude of materials and sizes. Isokinetic sampling requires the nozzle size to match the stack gas velocity. The material required is dependent upon stack temperature and sampling method.
The most popular nozzles are available in APEX standard set. APEX also offer large and oversize nozzle sets. The most popular nozzles are constructed from seamless 316 stainless steel and can be coated with PTFE/FEP duplex or SilcoNert 2000. Other nozzle materials include Borosilicate Glass, Alloy 600 and Quartz. Standard sampling nozzles are 4 inches long with a 5/8” OD shank.