???????
?????λ?????????? >> ???????? >> ??????
??????
???????J41W
?????????DN15~300mm??NPS1/2"~12"
?????????PN6.4~32.0MPa??CLASS300~2500Lb
???????GB/T12235??ASME B16.34??BS1873
???????GB/T12221??ASME B16.10
?????????HG??GB??JB??API??ANSI??ISO??BS??DIN??NF??JIS
????????JB/T9092??GB/T13927??API598
???????

?????????????  
???壺TA1??TA2??TA10??Gr2??Gr3  
????TA1??TA2??TA10??Gr2??Gr3  
?????TA1??TA2??TA10??TC4??Gr2??Gr3??Gr5

???????????????

.????????       

.???????????????

.????·??????巧??

.??淧?????淧??

???????????????
????????????????????