???????????
???????
???????????(X47W)?????????????п??????壬????????????????????????????????????????????????????????????????????????????豸??????á????????????????????????PN10?????????-29??100????????????????????????????????????????????????????·????ж??????·?????
???????X47W
?????????DN50~300mm
?????Χ??PN10Mpa
????????-29??100??
??????????????
???????API 6D??API599
???????ASME B16.10??GB/T 12221??HG/T 3704
????????ASME B16.5??GB/T 9113
??????飺API 598??GB/T 13927
???-???????ASME B16.34??GB/T 12224
