????????????
???????
?????????????????????????ANSI Class150??600?????????-29??+425?棨??????-40??+200??(?????)??????·??????????????·?е??????????ò?????????????????????????????????????????????????????????????
???????J41W/H/Y
?????????NPS 2"??24"
?????Χ??CL150??2500Lb
????????-29??+425?棨??????-40??+200??(?????)
??????????????????????
??????????????ɡ??????綯
?????????ANSI B16.34 BS1873
???????ANSI B16.10
??????磺ANSI B16.5
???-????ANSI B16.34
????-???飺API 598
??????????31011402021123??
??????????31011402021123??
