For technical data sheets and dimensional drawings please refer to our website www.badotherm.com 01/01/2006 rev 2 pressure instrumentation 1.1.2. 40 BDT21 mounting variations type A bottom connection, direct mounting type B panel mounting, clamp fixing, back connection type C surface mounting, bottom connection type D back connection, direct mounting type E panel mounting, back connection type F panel mounting, bottom connection technical specification model BDT21 diameter connection window ranges 41/2" 1/2” BSP/NPT safety glass from -1/1600 bar casing tube movement dial phenolic AISI316 stainless steel aluminium bezel socket pointer accuracy glass-filled PP AISI316 adjustable slotted 0.5% FSD Note: glycerine conversion kit consists of: 1) compensation bellow 2) O ring for front case seal 3) mounting screws for rear cover gauge options and special executions at extra costs casing with open front type BDT23 window glass/plexiglas dials customized – i.e., non standard ranges or logos certificates calibration-; conformity-; material manuals installation and maintenance pointer adjustable micro connection size METRIC, BSPT, acc JIS in various sizes restrictor AISI316 connection position top or side receiver gauge 3-15 psi, 0.2-1 bar , 0-100% lin, 0-10 sq.rt. special version with MONEL internals type BDT21-M special version with BRASS internals type BDT21-B filling glycerine, silicone, fluorolube phenolic solid front process pressure gauge Badotherm model BDT21 series gauge is only available in 4 1/2” dia. The solid front phenolic case offer an excellent resistance to chemical, weather and corrosion attack. The BDT21 has many optional features such as a field conversion kit to give a hermetically sealed or liquid filled gauge. It is designed to comply with the operational safety requirements of ASME B40.100 and ANSI B 40.1.1. All Badotherm stainless steel tubes are made from seamless drawn tube.

BDT21 - technical data sheet dimensions ns d d1 L H h d2 d4 weight 41/2” 148 129 86 180 130 137 6 0,8 kg Note : dimensions are in mm type A type D pressure details working pressure pressure element over-pressure temperature details temperature limitations The variation of indication caused by the effects of temperature shall not exceed : ±0,04 x (ambient temperature-reference temperature)% of the span design information ingress protection design IP 65 per EN 60 529 / IEC 529 EN 837-1 drawings process 200 ºC 60 ºC 90 ºC ambient -40 ºC to 60 ºC -25 ºC to 60 ºC -40 ºC to 60 ºC without filling glycerine...