内容提要：高温高压电站截止阀（手动）J61Y-200/J61Y-250/J61Y-320电站焊接截止阀主要特点及用途1.阀门与管路连接采用焊接式结构。2.密封面不易磨损、擦伤，密封性能好，寿命长。3.结构紧凑，启闭性好、高度小、维修方便。4.适用于水、蒸汽、油品管路上，具有耐高温、耐高压的特点。◆J61Y-200/J61Y-250/J61Y-320电站焊接截止阀主要性能和使用范围产品型号公称压力PN（MPa）试验压力（MPa）试验压力（MPa）适用温度（℃）适用介质壳体强度密封P54P55P57J61H/Y-100101511≤450水、蒸汽、油品J61H/Y-200203022J61H/Y-2502537.527.5J61H/Y-320324836J61Y-P54/100V302210≤540蒸汽J61Y-P54/140V382814J61Y-P54/70V483617J61Y-P55/100V382810≤550J61Y-P55/140V483614J61Y-P55/170V533917J61Y-P57/1OOV483610≤570J61Y-P57/140V554014J61Y-P57/170V604417◆J61Y-200/J61Y-250/J61Y-320电站焊接截止阀主要零件材料零件名称阀体阀盖阀杆阀瓣密封面填料阀杆螺母手轮紧固件J61H型25WCB2540Cr铬不锈钢铬钼铝钢氮化铬不锈钢铬不锈钢柔性石墨铝青铜可锻铸铁优质碳钢铬钼钢J61Y型25WCB2540Cr铬不锈钢铬钼铝钢氮化25硬质合金柔性石墨铝青铜可锻铸铁优质碳钢铬钼钢J61Y-P54型ZG20CrMoV12Cr1M01V12Cr1M01V20Cr1M01V25Cr2M01V12Cr1M01V硬质合金柔性石墨铝青铜可锻铸铁铬钼钢J61Y-P55型ZG15CrMoV12Cr1M01V12Cr1M01V20Cr1M01V25Cr2M01V12Cr1M01V硬质合金柔性石墨铝青铜可锻铸铁铬钼钢J61Y-P57型ZG15CrMOV12Cr1M01V12Cr1M01V20Cr1M01V25Cr2M01V12Cr1M01V硬质合金柔性石墨铝青铜可锻铸铁铬钼钢J61Y-200J61Y-250J61Y-320电站焊接截止阀◆主要尺寸表型号公称通径DN（mm）尺寸（mm）LD1D2HJ61H-200J61Y-2001013010302101513012302102017022424802517027425203220034527285035053767288050086108898100600107161890J61H-250J61Y-250J61H-320J61Y-32020150254057632r180325560650250508372265430659881180470801058951006001001421179J61Y-P54100VJ61Y-P54140V201722424802517027425203220034527285035053767288050086108898100600107161890J61Y-P54170VJ61Y-P54170VJ61Y-P57170VJ61Y-P54195VJ61Y-P54195VJ61Y-P54200V1012012235002017024425332517528455453219035545605034046506486543069925658047085118600100560105145680)