氣體鋼瓶閥—上海巴閥閥門閥QJT200-10 QJT200-15 QJT200-20 QJT200-20型直通式截止閥。QD220-20逆止閥。QJT200-8/8A/10型直通式截止閥。吹除閥。2A10直阻閥?！?/SPAN>QD220-20逆止閥。　QJT220-10不銹鋼截止閥?！?/SPAN>QJT220-15截止閥?！?/SPAN>QF-2型活瓣式氧氣瓶閥。　QF-15A型已炔氣瓶。閥QF-30型活瓣式氫氣瓶閥。CGA870-5型氧氣瓶閥。 低溫節(jié)流閥?！?/SPAN>QJT220-10截止閥。　QJT220-20截止閥?！〈党y　。QD220-10逆止閥。　QJT150-4[T]型閥。　040400吹除閥?！?/SPAN>3R600吹除閥?！?/SPAN>4L400彎阻閥?！?/SPAN>J21W-200排污閥?！?/SPAN>145J8吹除閥。　　QJG150-4分閥?！?/SPAN>2R1200吹除閥。　PX-32氬氣瓶閥。　QJT30-18截止閥?！〉蜏匾后w閥門?！「鞣N規(guī)格型號(hào)高壓氣體閥門?！「邏焊稍锲骷肮艿烙瞄y門?！∵m用于：氧氣,氫氣 氮?dú)?/SPAN>,空氣。