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适用范围
阀体材质适用介质适用温度(℃)
铸铁铜芯水、蒸汽、油≤200
铸铁铁芯酸碱类≤100
碳钢(C)水、蒸汽、油品≤425
不锈钢(P)水、油、醋酸类≤200
不锈钢(R)水、油、硝酸类≤200
铬钼钢(1)水、蒸汽、油≤550

 

H41 型升降式止回阀/H42 型立式止回阀(PN1.0~10.0MPa) 单位:mm
PN1.0(1.6)MPa
DN15 20253240506580100125150200250300350400
L1130 150160180200230290310350400480550650750850950
L285 95105150160170180200210275300380400420500
PN2.5MPa
DN15 20253240506580100125150200250300350400
L1130 150160180200230290310350400480550650750850950
L285 95105150160170180200210275300380400420500
PN4.0MPa
DN15 20203240506580100125150200250300350400
L1130 150150180200230290310350400480550650750850950
L285 95950150160170280200210275300380400420500
PN6.4MPa
DN15 20203240506580100125150200250300350400
L1170 19090230260300340380430500550650750900
L2170190210230250290320400
PN10.0MPa
DN15 20203240506580100125150200250300350400
L1170 19090230260300340380430500550650750900
L2270190210230250290320400

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