Azbil Corporation No. SS2-MGN200-0200 - 5 - MODEL SELECTION NNK___ - I II III IV - V VI Basic model no. Selections Option Note) 1) Even when titanium is specified by customer for electrode material, all other metallic parts than the electrodes must be SUS304. 2) Not applicable to nominal diameters in 400 mm and 600 mm. - - Basic model no. Type Detector NNK 150 Dummy NNK 951 Selections I Nominal size 50 mm 0050 100 mm 0100 200 mm 0200 400 mm 0400 600 mm 0600 II Electrode material Without electrode (for NNK 941) A Titanium (See note 1) K Stainless steel (SUS 316L) L III Flange rating Special flange for MagneW3000 use only 80 IV Grounding material Without grounding ring A Options V None X With elbow flange (without cover) (See note 2) A With elbow flange (with cover) (See note 2) B VI For potable 1 For sewage 2 Gross drainage regulation and others 3 4 8