For technical data sheets and dimensional drawings please refer to our website www.badotherm.com 13/02/2006 rev 2-A 228 chemical seals 3.1.1. chemical seal EC internal diaphragm, threaded type typical “EC” seal applications to combine with mechanical pressure gauges. to combine with pressure switches. technical specification model EC Threaded connection NPT (male or female) ECB ECM ECA ECE BSP (male or female) Process connection 1/4”… 1/2” 1/4” … 1/2” 1/4” 1/4” … 1/2” NPT / BSP Diaphragm size in mm 51 35 29 23 Max. process pressure in bar at 20 °C 60 60 400 400 Max. capillary length in meter 15 6 4 - Min. pressure range for PI in bar 1.0 6.0 100 25 Instrument connection Standard Options Threaded ECB & ECM 1/2” BSP female Special Threaded ECA & ECE 1/4” BSP female Special Features Standard Options Capillary tubing AISI316 PVC sleeve black Armoring AISI304 Polyolefin sleeve black Polyolefin sleeve white Filling fluid BSO22 (FDA app.) Others see page 171 Diaphragm AISI316L On request Temperature reducer All instruments except DP Full welded construction All instruments Flushing connection 1 or 2 ( with 1/4”npt plugs) Calibration on process conditions All instruments Wetted parts Standard Options Process connection AISI316 (L) Exotic materials Diaphragm AISI316L Hastelloy B2, Monel, Hastelloy-C276, Upperbody AISI316 (L) Process connection Standard Options Model ECB 1/4” / 3/8” / 1/2” / 3/4” / 1” NPT/BSP female Model ECM 1/4” / 3/8” / 1/2” NPT/BSP female Model ECA 1/4” / 1/2” NPT/BSP female Model ECE 1/4” / 1/2” NPT/BSP female Special connection

For technical data sheets and dimensional drawings please refer to our website www.badotherm.com 28/04/2006 rev 2-A 229 3.1.1. chemical seals Temperature effect is per +10 °C and measured from 20 °C. Minimum ranges on 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 ECB n.a. n.a. n.a. 1.0 1.0 2.0 35 mm 1/2” male ECM n.a. n.a. n.a. 6.0 6.0 10 29 mm 1/4” male ECA n.a. n.a. n.a. 100 100 23 mm 1/4” male ECE n.a. n.a. n.a. 25 n.a....