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對(duì)夾球閥Q71H
對(duì)夾球閥及對(duì)夾保溫夾套球閥適用于Class150、PN1.0～2.5MPa，工作溫度 29~180℃(密封圈為增強(qiáng)聚四氟乙烯)或 29~300℃的各種管路 		2023-09-16
不銹鋼美標(biāo)球閥
 2023-09-16
全天候呼吸閥GFQ
全天候呼吸閥,石油儲(chǔ)罐呼吸閥,甲醇儲(chǔ)罐呼吸閥可選:(防爆型,阻火型)用于油及液體罐上,來(lái)排除罐內(nèi)的正壓和負(fù)壓氣體,使罐內(nèi)液體進(jìn)出 		2022-08-23
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