For technical data sheets and dimensional drawings please refer to our website www.badotherm.com 03/09/2007 rev 2-B 188 chemical seals 3.1.1. typical “BF” seal applications to combine with industrial process transmitters. to combine with mechanical pressure gauges. to combine with pressure switches. chemical seal BF flush diaphragm, flanged type technical specification model BF Flanged connection ASME 1” 1 1/2” / 2” 2” 3” 3” / 4” DIN DN25 DN40/50 DN50 DN80 DN80/100 Diaphragm size in mm 32 44 57 72 89 Max. process pressure in bar at 20 °C 414 414 414 414 414 Max. capillary length in meter 6 10 15 15 15 Min. pressure range for PI in bar 2.5 1.6 0.6 0.5 0.5 Min. span for GP & AP in mbar 4000 1250 600 200 80 Min. span for DP in mbar n.a. 300 100 20 10 ASME B 16.5 DIN 2501 (EN 1092-1 ) 1” / 1 1/2” / 2” / 3” / 4” Other sizes acc ASME 150 / 300 / 600# > 600# RF FF, groove, RJ,RTJ Ra 3.2…6.3 ìm Other finishes DN25 / 40 / 50 / 80 / 100 Other sizes acc DIN PN10 / 25 / 40 > 40 bar Form D-DIN2526, (Form B1) Other types and finishes JIS On request Process connection Standard Options Wetted parts Standard Options Flange AISI316 (L) Custom design Diaphragm(weld in process) AISI316L Instrument connection Standard Options Capillary tubing Top entry Side entry Threaded 1/2 bsp female Other sizes Features Standard Options Capillary tubing AISI316 Side entry PVC sleeve black Armoring AISI304 Polyolefin sleeve black Polyolefin sleeve white Filling fluid BSO22 Others see page 171 Diaphragm AISI316L On request Temperature reducer All instruments except DP Temperature compensator All instruments except PI Full welded construction All instruments Flushing rings For all DIN, ANSI flanges Support handle On all flanges above 600# Support pipe Heavy duty pipe on capillary BAsecal calculation All transmitters with seals Calibration on process conditions All instruments Hydrogen applications Gold coating All AISI316 diaphragms Special coatings PTFE, FEP, ECTFE, PFA

For technical data sheets and dimensional drawings please refer to our website www.badotherm.com 01/01/2006 rev 2 189 3.1.1. chemical seals Temperature effect is per +10 °C and measured from 20 °C. Capillary execution Threaded execution minimum ranges for gauges and transmitters per diaphragm Diaphragm diameters dD Min. span in mbar Min. range in bar For process connections For transmitters For pressure gauges PI Diaphragm Flange Flange GP AP DP Ø 63 Ø 100 Ø 160 44 mm DN50 2” 1250 1250 300 1.6 1.6 1.6 57 mm DN50 2” 600 600 100 0.6 0.6 0.6 72 mm DN80 3” 200 200 20 0.5 0.5 0.5 89 mm DN80 3” 80...