J61Y/J63Y高溫高壓針型閥產(chǎn)品型號:J61Y、J63Y、GJ61Y、FJ61Y 產(chǎn)品口徑:DN6-32 產(chǎn)品壓力:1.6MPa-32.0MPa 產(chǎn)品材質(zhì):鑄鋼、不銹鋼、合金鋼等 。