product name: sanitary sight glass Certificate: ISO9001:2000 & CE Material: AISI304 & AISI316L Connection : welded,clamp Sanitary sight glass--------(welded,clamp,thread end)thFeatures:Standard: DIN,SMS,ISO,3A,IDFMaterial: AISI304,316 ,316LSize : 1"-6" and DN20--DN150Processing: all by CNC MachineAll our items is ForgedTechnical Datail:Max pressure :10bar (1000KPa)Max temperature:140cents degree ...