??????綯?????
???????
???????????????????????????л?????????赥???????,??????л????????????????????,????????????????????,???д???????????????????????,???п???????????,?С?????й??????????????????????????Χ?????????????????????????????????????Ч????????б??????????ж????????????????????????????????????????????-200????+560?淶Χ???????Ρ?
???????T969Y
?????????DN25~DN350??mm??
?????????PN0.6~6.4MPa
???????????????????????????????
????????-40??230??(??????)???????230??450??(??????)????????-100??600??
????????????
?????????????
?????????????JB78-59??JB79-59????????JB/79.1-94??JB/79.2-94??ANSI??JIS??DIN ????????????
??????????31011402021123??
??????????31011402021123??
