Products Our motto "Technology for Environmental Protection" has long been an inherent part of our product development philosophy and product range. We strive to improve the environment, to make processes which work with greater environmental compatibility and to avoid putting a strain on the environment. We offer you a multitude of innovative solutions, new products and smart concepts. More Informations Industries & Topics Industries & Topics Overview Fuel oil components Fuel oil components Overview Fast and clean oil filter change Avoiding fungal attacks in biofuel More performance with the sintered plastic sieve AFRISO Smart Home AFRISO Smart Home Overview Gateway HG 02 Products Products Overview AFRISOhome App Alexa Smart home applications Smart home applications Overview Leakage security Security Stand-alone applications Stand-alone applications Overview Getting started with AFRIShome Smart Home Craft 4.0 Craft 4.0 Overview OEM-Manifold systems Hydraulic Balancing Hydraulic Balancing Overview VarioQ Vario-DP Tank conversion Hygienic processes AFRISO Smart Home AFRISO Smart Home offers innovative solutions for intelligent home automation. With modern sensors and actuators, you can easily and conveniently control your home. More Informations Service-Center Service-Center Overview Service Contact persons Data exchange formats Catalogs Service-Center Flexible, cost-aware, on schedule, solution-oriented and fast – the AFRISO team always provides the decisive added value. More Informations Training & Events Training & Events Overview Exhibitions Exhibitions Overview SHK+E 2026, Essen IFH Intherm 2026, Nuremberg GET Nord 2026, Hamburg Search Industrial technology Process separators: chemical seals MD 51 Images 2 MD 51 Diaphragm seals for hygienic applications Variants Documents Benefits all materials FDA-listedSIP/CIP enabledno dead spacevarious standards available Application Diaphragm seals MD 50/51 with food law compliant screwed pipe connection for hygienic process separation of pressure measuring and control units in pipes or tanks. For mounting to Bourdon tube pressure gauges, pressure transducers and pressure switches. For installation in hygienic processes without dead spaces.Food and beverages industryDairiesBeverage machinesBreweries Description All materials used are FDA-listed. The chemical seal and the measuring instrument are welded together, resulting in an inseparable single, shock- and vibration-resistant unit that does not require additional external protection. The chemical seals are available with various nominal diameters; due to their compact design, they are suitable for a wide range of applications. Variants Technical data Technical drawings Downloads Variants process connection, standardProcess connectionInstrument connectionNominal diameterNominal pressureminimum range* (in bar) at nominal sizePart no.63100160DMUDMU 13 VarioGrooved union nut SMS 1147DN 1½"Welded connectionPN 400.6 bar0.6 bar0.6 bar1 bar1 bar31314WGrooved union nut SMS 1147DN 2"Welded connectionPN 400.6 bar0.6 bar0.6 bar0.6 bar1 bar31315WGrooved union nut SMS 1147DN 2½"Welded connectionPN 250.6 bar0.6 bar0.6 bar0.6 bar0.6 bar31316W in-stock items manufactured goods Technical data Process connectionStainless steel 316 LSMS 1147DN 1½"surface roughness Ra≤ 0.8 µmdiaphragmStainless steel 316 LInstrument connectionWelded connectionpressure transmission liquidParaffin oil (FM 09), FDA-listedpressure rangesee overview of versionsNominal pressurePN 40Can be mounted toBourdon tube pressure gauges NG 50, 63, 80, 100, 160Druckmessumformer (DMU)Pressure switches (DS) Technical drawings Click the corresponding image for detail views, additional information and dimension tables. Socket and union nut SMS 1147 DNPNdmGDH1½"4036Rd60x1/674142"4048Rd70x1/684142½"2548Rd85x1/610014 Downloads Druckmittler PDF Italian English German Related products
AFRISO Smart Home AFRISO Smart Home offers innovative solutions for intelligent home automation. With modern sensors and actuators, you can easily and conveniently control your home. More Informations Service-Center Service-Center Overview Service Contact persons Data exchange formats Catalogs Service-Center Flexible, cost-aware, on schedule, solution-oriented and fast – the AFRISO team always provides the decisive added value. More Informations Training & Events Training & Events Overview Exhibitions Exhibitions Overview SHK+E 2026, Essen IFH Intherm 2026, Nuremberg GET Nord 2026, Hamburg Search
Service-Center Flexible, cost-aware, on schedule, solution-oriented and fast – the AFRISO team always provides the decisive added value. More Informations Training & Events Training & Events Overview Exhibitions Exhibitions Overview SHK+E 2026, Essen IFH Intherm 2026, Nuremberg GET Nord 2026, Hamburg Search
Images 2 MD 51 Diaphragm seals for hygienic applications Variants Documents Benefits all materials FDA-listedSIP/CIP enabledno dead spacevarious standards available Application Diaphragm seals MD 50/51 with food law compliant screwed pipe connection for hygienic process separation of pressure measuring and control units in pipes or tanks. For mounting to Bourdon tube pressure gauges, pressure transducers and pressure switches. For installation in hygienic processes without dead spaces.Food and beverages industryDairiesBeverage machinesBreweries Description All materials used are FDA-listed. The chemical seal and the measuring instrument are welded together, resulting in an inseparable single, shock- and vibration-resistant unit that does not require additional external protection. The chemical seals are available with various nominal diameters; due to their compact design, they are suitable for a wide range of applications. Variants Technical data Technical drawings Downloads Variants process connection, standardProcess connectionInstrument connectionNominal diameterNominal pressureminimum range* (in bar) at nominal sizePart no.63100160DMUDMU 13 VarioGrooved union nut SMS 1147DN 1½"Welded connectionPN 400.6 bar0.6 bar0.6 bar1 bar1 bar31314WGrooved union nut SMS 1147DN 2"Welded connectionPN 400.6 bar0.6 bar0.6 bar0.6 bar1 bar31315WGrooved union nut SMS 1147DN 2½"Welded connectionPN 250.6 bar0.6 bar0.6 bar0.6 bar0.6 bar31316W in-stock items manufactured goods Technical data Process connectionStainless steel 316 LSMS 1147DN 1½"surface roughness Ra≤ 0.8 µmdiaphragmStainless steel 316 LInstrument connectionWelded connectionpressure transmission liquidParaffin oil (FM 09), FDA-listedpressure rangesee overview of versionsNominal pressurePN 40Can be mounted toBourdon tube pressure gauges NG 50, 63, 80, 100, 160Druckmessumformer (DMU)Pressure switches (DS) Technical drawings Click the corresponding image for detail views, additional information and dimension tables. Socket and union nut SMS 1147 DNPNdmGDH1½"4036Rd60x1/674142"4048Rd70x1/684142½"2548Rd85x1/610014 Downloads Druckmittler PDF Italian English German
