直流式德標(biāo)波紋管截止閥

Bb Os & Y型結(jié)構(gòu)
��制造標(biāo)準(zhǔn)：DIN3356 結(jié)構(gòu)長(zhǎng)度：DIN3202
��法蘭標(biāo)準(zhǔn)：DIN2543-2545 對(duì)焊口標(biāo)準(zhǔn)：DIN3239
��試驗(yàn)標(biāo)準(zhǔn)：DIN3230��

公稱壓力
(nominal pressure) 1.6Mpa 2.5Mpa 4.0Mpa
密封試驗(yàn)(seal test) 1.8MPa 2.8MPa 4.4MPa
殼體強(qiáng)度(shell) 2.4MPa 3.6MPa 6.0MPa
適用溫度
(suitabletemprature) 300℃
特點(diǎn)(features)：
��雙層波紋管(double walls bellow seal) 維修方便(maintenance-free)
��波紋管密封閥桿(spindle with bellow seal) 雙重密封(secondary sealing)
��位置指示(position indicator) 無(wú)升降手輪(non-rising handwheel)
用途(selection of possible applications)：
��工業(yè)(industry) 電站(power station)
�鷱U氣凈化廠(flue gas puerification plant) 天然氣(gas supply)
��真空裝置(vacuum facilities) 氨(ammonia)
�鸁崴�(hot water) 冷凍系統(tǒng)(cllling&freezing systme)
��加熱設(shè)備(heating technology) 蒸汽系統(tǒng)(steam system)