????:D63/DN50-D250/DN250
????:??
????:DIN/ISO,ANSI/ASTM,BS,JIS??
????:EPDM,FPM
????:??,???(AISI316)
????:PN10,PN6

????:D63/DN50-D225/DN200
????:??
????:DIN/ISO,ANSI/ASTM,BS,JIS??
????:PP-GF.???????
????:??PVC-U,PP-H,PVDF?ABS
????:EPDM,FPM
????:??,???(AISI316)
????:PN10