GB/T 12459  异径三通 DN 350×350×200-Ⅱ-6TR

WN RF 16K 100A Sch40

DN 350×350×200-Ⅱ-6 TR

SO 100-600 RF

WN RF 16K 100A

SO 80-600 RF

SO 150-600 RF

SO 65-600 RF

WN RF 16K 80A

SO 40-600 RF

WN RF 16K 65A Sch80RF35Rmpamp RF800 RF Scamp430@00-10 RFSch40AF300ch80005�0 RFch160005ˆA Sch4000-25 RFta