????????????????
???????
1????????????????С????????
2?????????????????????????????????????????????á?
3????????????????????????????
4??????????????????С??
5????????????????????????????????????????? ????????????????????????
???????H71W/H/Y
?????????DN15??1200mm??NPS1/2"??48"
?????????PN1.6~10.0MPa??Class150??2500Lb
??????????350??
????????WCB??WCA??WCC??WC6??WC9??C5??C12??LCB??LCC??CF8??CF8M??CF3??CF3M??CN7M??CF8C
???????API6D??JB/T8937??API594
???????API594??JB/T8937
????????ASME B16.5??GB/T 9113??JB/T 79??HG/T 20592
??????飺API 598??GB/T 13927??JB/T 9092
???-???????ASME B16.34 ??GB/T12224
