主要特点及用途：　　①本系列闸阀主体为楔式单闸板双向密封、结构简单、紧凑、密封可靠。
　　②主要特点及用途：吹扫装置可对易结焦、颗粒状介质的管路、阀门等进行清洗、冲刷、有效地提高系统的使用寿命。
　　③Z1仿、Z2仿系列带吹扫孔闸阀适用于水、蒸汽、烟气、油品或雾状、粉末状、颗粒状等介质的管路上，作为启闭装置用，尤其适用于石化行业输油和催化裂变系统，起启闭、清洗冲刷管道的作用。材料选用表：
零件名称
材料代号阀体、阀盖闸板阀杆阀杆螺母填料垫片适用温度
(℃)适用介质CWCB2Cr13ZQAL9-4石墨石棉盘根橡胶石棉板≤450水、蒸汽、油品I铬钼钢铬镍钛钢合金钢耐高温石棉盘根不锈钢带与石棉板≤530P铬镍钛不锈钢1Cr18Ni9Ti柔性石墨耐酸石棉缠绕式垫片≤200硝酸类
主要外形和连接尺寸　（单位：mm）
Main External and Connection Dimen　（Unit：mm） 
（图1：外型及连接示意图）
产品型号
Type公称通径
DNPN1.6MPaWT
(kg)LDD1D2D6Z-ΦdHD0F1F2Z1仿41H-16C
Z2仿41H-16C

Z1仿41Y-16l
Z2仿41Y-16l

Z1仿41Y-16PⅠ
Z2仿41Y16PⅠ

Z1仿41Y-16PⅡ
Z2仿41Y16PⅡ50250160125100164-Φ18362250293265270180145120184-Φ18395250333680280195160135208-Φ184263004649100300215180155208-Φ184703006366125325245210185228-Φ1852035098102150350280240210248-Φ235903501251282004003352952652612-Φ237254001851882504504053553203012-Φ258654502602633005004604103753012-Φ2510005503653683505505204704353416-Φ2511406004985054006005805254853616-Φ301285650685688

产品型号
Type公称通径
DNPN2.5MPaWT
(kg)LDD1D2D6Z-ΦdHD0F1F2Z1仿41H-25
Z2仿41H-25

Z1仿41Y-25l
Z2仿41Y25l

Z1仿41Y-25PⅠ
Z2仿41Y25PⅠ

Z1仿41Y-25PⅡ
Z2仿41Y25PⅡ50250160125100204-Φ18362250313465270180145120228-Φ18395250353880280195160135228-Φ184263004750100300230190160248-Φ234703006568125325270220188288-Φ25520350100103150350300250218308-Φ255903501301332004003603102783412-Φ257254001951982504504253703323612-Φ308654502752783005004854303904016-Φ3010005503923953505505504904484416-Φ3411406505355384006006105505054816-Φ341285700742745
 
产品型号
Type公称通径
DNPN4.0MPaWT
(kg)LDD1D2D6Z-ΦdHD0F1F2Z1仿41H-40
Z2仿41H-40

Z1仿41Y-40l
Z2仿41Y40l

Z1仿41Y-40PⅠ
Z2仿41Y40PⅠ

Z1仿41Y-40PⅡ
Z2仿41Y40PⅡ50250160125100884-Φ183712803134652801801451201108-Φ183912804044803101951601351218-Φ1845532052581003502301901601508-Φ2355136081881254002702201881768-Φ256284001251351504503002502182048-Φ2570840014515920055037532028226012-Φ3088545025326825065044538534531312-Φ34101556036037230075051045040836416-Φ34113564055656935085057051046542216-Φ34125072070072040095065558553547416-Φ411400720789818