?????е???
???????
?????е?????????????120?棬?????????16MPa???????????????????????????????????????????????????????????????????????????????á?
???????D371X
?????????DN40-DN1000
??????????ī??????304??316
????????????????????????????
????????PN1.0MPa??PN1.6MPa
???????EPDM??-30?桫120?? NBR ??-30?桫80?? PTFE??-30?桫140?? VITON??-30?桫150??
??????????ī????????????????????????304??316??316L??1.4529??2507
?????????????410??304
?????????????塢???塢???????塢????????????????
