For technical data sheets and dimensional drawings please refer to our website www.badotherm.com 03/09/2007 rev 2-B 224 chemical seals 3.1.1. chemical seal US internal diaphragm, threaded type typical “US” seal applications to combine with industrial process transmitters. to combine with mechanical pressure gauges. to combine with pressure switches. technical specification model US Threaded connection NPT (male or female) 1/2” 3/4” 1” BSP (male or female) Diaphragm size in mm 51 51 51 Max. process pressure in bar at 20 °C 300 300 300 8 bolts st 8.8 Max. capillary length in meter 15 15 15 Min. pressure range for PI in bar 1.0 1.0 1.0 Min. span for GP & AP in mbar 800 800 800 Min. span for DP in mbar 200 200 200 Instrument connection Standard Options Capillary tubing Top entry Threaded 1/2” BSP 1/4” NPT / 1/2” NPT / 1/4”BSP Features Standard Options Capillary tubing AISI316 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 Fully welded construction All instruments Flushing connection 1 or 2 ( with 1/4”npt plugs) Calibration on process conditions All instruments Hydrogen applications Gold coating All AISI316 diaphragms Special coatings PTFE, FEP, ECTFE, PFA Threaded according ANSI / DIN / EN / JIS 3/8”UNF 1/2” / 3/4” / 1” Other sizes NPT / BSP mm / SAE and others Male / female 4 x st 8.8 - max 150 bar * 4 x 8 x A2-70 - max 250 bar * max 125 bar at 20 °C 8 x st 8.8 - max 300 bar * Process connection Standard Options Bolting * max pressures for bolts always at 20 °C Wetted parts Standard Options Upperflange AISI316 (L) Exotic materials Lowerflange AISI316 (L) Exotic materials Hastelloy B2, Monel, Diaphragm AISI316L Tantalum, Titanium Inconel600, Inconel686 Hastelloy-C276, Silver

For technical data sheets and dimensional drawings please refer to our website www.badotherm.com 01/01/2006 rev 2 225 3.1.1. chemical seals 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 Thread GP AP DP Ø 63 Ø 100 Ø 160 51 mm 1/2” male Fem 800 800 200 1.0 1.0 1.0 51 mm 3/4” male Fem 800 800 200 1.0 1.0 1.0 51 mm 1” male Fem 800 800 200 1.0 1.0 1.0 temperature effect on transmitter, capillary and seal Diaphragm diameters dD Temp. effect in mbar Temp. effect...