No. SS2-KFD100-0100 -6 - Optional Semi-standard and Special Specification Item Applicable Models Specifications (1) Vacuum use (Y23) KFDB.... - 11, 22, 6.., 7.., 8.. (Fig 1.) KFDB.... - 7.. (Fig 2.) (2) High temperature use (Y62) KFDB.... - 7.. (Fig 3.) (3) High temperature- Vacuum use (Y62+Y23) KFDB.... - 7.. (Fig 4.) (4) Steam block (Y29) KFDB....-11, 23, 33 (except PVC and monel cover) Max. operating pressure ; 5 MPa {50 kgf/cm2} Max. operating temperature; 250 ..C (below 120 ..C at meter body) Steam piping connection; PT . or . NPT internal thread Material; Carbon steel (SF45A) (5) Stainless steel bolts (Y66) KFDB....-11, 22, 33, 6.., 8.. SUS304 stainless steel is used for meter body fixing bolts. Max. operating pressure; [MPa] (6) Corrosion resistant All the KFD models Corrosion-resistant finish with baked acryl (Y138A) ; and silver finish (Y138) Resistant against corrosive gases. Corrosion-proof finish with baked epoxy resin (Y138B) : Resistant against corrosive liquids. Regular silver finish with baked acryl (Y138C) : To suppress temperature rise caused by direct sunlight or other cause. Corrosion-resistant silver finish with baked acryl (Y138D) : To suppress temperature rise caused as above and to be resistance against corrosive gases. (note: silver finish is not resistant against alkaline gases.) (7) Variable damping mechanism (Y169) KFDB....-11, 22, 33, 6.., 7.., 8.. (when measuring element material is SUS316 or SUS316L.) Time Constant: Note: KFDB....-44 is with min.2 sec. or less and max. 15 sec. or over (8) Rear connection for process piping (Y171) KFDB....-11, 22 Applicable only when cover material is carbon steel or SUS 316 (installation method is limited to that on a 2-inch horizontal pipe) (9) For oxygen measurement (Y182) All the KFD models (when measuring element material is SUS316 or SUS316L.) Liquid fill ; Fluorine oil Operating temperature (both fluid and ambient); -10 to +60 ..C Wet-part treatment; Treated for degreasing (10) For chlorine gas measurement (Y183) KFDB....-11, 22, 33, 6.., 7.., 8.. (when measuring element material is tantalum.) Liquid fill ; Fluorine oil Operating temperature (both fluid and ambient); -10 to +80 ..C Wet-part treatment; Treated for degreasing (11) Special order items (the items mentioned in the right are available as special order item.) All the KFD models 1) Door lock 2) Stainless steel tag plate 3) AUTO/MAN switch viewing window 4) Pressure gauge (40 mm) for transmitting signal SF45A SUS316 Monel PVC KFDB.... - 11, 22, 6.. 6 6 6 1.5 “ - 33 2.5 2.5 2.5 1 “ - 8.. 23 23 - - Model no. Time constant (continuously variable) Min. Max. KFDB.... -11, 22, 8.. 0.5 sec. or less 30 sec. or over KFDB.... -33, 6.. 2 sec. or less 30 sec. or over KFDB.... - 7.. 6 sec. or less 50 sec. or over