手動(dòng)耐高溫刀型閘閥
手動(dòng)耐高溫刀型閘閥manual butt-clamp knife gate valve
設(shè)計(jì)制造 Design and manufacture: JB/T8691-1998
結(jié)構(gòu)長(zhǎng)度 structural length: GB/
法蘭連接 Flange connection: GB/ JB/T79-94
試驗(yàn)與驗(yàn)收 testing and acceptance:GB/T13927-92
手動(dòng)耐高溫刀型閘閥主要零部件材質(zhì) Key parts material