保温夹套直流式截止阀

主要性能规范Chief Property And Specification

型号Type公称压力PN(MPa) NominalPressure试验压力PS（MPa）Test Pressure工作温度(℃)Working Temperature适用介质Applicable Medium工作蒸汽压力Work steam Pressure壳体Shell密封SealBJ45(H.W.Y)-25P2.53.752.75≤200尿素、硝酸类 Ureophil、Nitric Acid≤1.3BJ45(H.W.Y)-40P4.06.04.4BJ45(H.W.Y)-64P6.49.06.6尿素、醋酸类 Ureophil、Acetrc AcidBJ45(H.W.Y)-25R2.53.752.75BJ45(H.W.Y)-40R4.06.04.4BJ45(H.W.Y)-64R6.49.06.6

主要零件材料Material for main parts

零件名称Patr Name阀体、阀盖Body,Bonnet阀瓣Disc垫片SwatBJ45(H.W.Y)-25P、BJ45W-40P、 BJ45W-64P铬镍钛阀Cr.Ni.TI Steel铬镍钛阀+硬质合金Cr.Ni.TI Steel+Carbide Alloy聚四氟乙烯 PolytetrafluoroethyleneBJ45(H.W.Y)-25R、BJ45W-40R、 BJ45W-64R铬镍钼钛阀Cr.Ni.Mo.TI Steel铬镍钼钛阀+硬质合金Cr.Ni.Mo.TI Steel+Carbide Alloy聚四氟乙烯 Polytetrafluoroethylene

主要外形尺寸和连接尺寸（mm）Main external and connecting dinensions(mm)

公称压力PN(MPa) Nominal Pressure公称通径DN(mm) Nominal Diameter尺寸(mm)DimensionsLDD₁D₂D₃b₁f₀bD₆3-GZ-φdHH₁D₀

2.5

4.0

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