... butterfly valve(male butterfly valve, BS4825 PT 5 valves) ISO9001:2008,CE,TUV certified, CNC machined. export to UK. USA RJT butterfly valve(male butterfly valve, BS4825 PT 5 ... valves)Material quality: AISI304, 316L Standard: DIN/SMS/ISO/IDF/3A/RJT/DS/BS/BPESpecification: DN15mm~150mm or 1 ... to DIN, SMS, ISO9000. RJT butterfly valve(male butterfly valve, BS4825 PT 5 valves)