... BS,BPE Standard.Sanitary union (ISO9001:2000,CE,TUV certified) Specification: DN15-DN150,1/2"-6", smaller or larger to ... ,cross,reducer,sight glass,manhole cover,cleaning ball,centrifugal pump,pipe holder etc...Advantage: Prompt quotation, competitive price, punctual delivery ... manufactory from China,specializes in producing kinds of sanitary valves,pipe fittings as well as OEM services over 15 years. ...