... quartz products Co., LTDProductmaterial:stainless steel flangefeature :Flanged straight sight glass with high quality1 Material: SUS304,SUS304L,SUS316 ... Pressure grade:PN2.5-32MPa6 Connection: weld, clamp , flange,threaded, union, nut7 Application :food,beer,dairy,pharmacy, ... punctual lead time and guaranteed qualityOEM serivce:YESSpecifications:Flanged straight sight glass with high quality1) 1/2"-6 ...