????:DN80/3"-DN200/8"????:??????:DIN/ISO,ANSI/ASTM,BS,JIS????:EPDM,FPM????:PN10,PN6??????:80?
????:DN80/3"-DN200/8"????:??????:DIN/ISO,ANSI/ASTM,BS,JIS????:EPDM,FPM????:PP-GF????:PN10??????:80?
