7ML19985FH03 SITRANS LR 400 ñ INSTRUCTION MANUAL Page 9SpecificationsDimensionsSITRANS LR 400 (without Temperature Extension)*Flange acc. to DIN 2527 / ANSI B16.5 / JIS B2238 bolt hole pattern**A purging system installed between the flange and the horn antenna is an option for theSITRANS LR 400. The system provides an inlet on the flange where cooling air or cleaningfluid passes through the flange and exits the inside of the horn to clean it. The customerwill supply the purging medium by manual or automatic valve system. This option is onlyavailable with universal flanges.SITRANS LRNote: Process temperature and pressure capabilities are dependent uponinformation on the process device tag. See Appendix IV (Process Pressure/Temperature de-Rating). Reference drawing listed on the tag is available uponrequest.WARNING: The user is responsible for the selection of bolting and gasketmaterials which will fall within the limits of the flange and its intended use andwhich are suitable for the service conditions.204 mm(8.0")281 mm(11.1")**191 mm(7.5") 238 mm(9.4")74 mm(2.9")93 mm(3.7")hornprocessflange*threadedringintermediateflangeelectronicscoverconnectioncoverearthterminal