详细信息：产品介绍：一、产品[国标钢制止回阀]的详细资料：产品名称：国标钢制止回阀二、执行标准：类型设计与制造结构长度法兰尺寸压力温度试验-检验旋启式止回阀GB12236GB12221GB9113JB79GB9131GB/T13927JB/9092升降式止回阀GB12235三、压力试验：公称压力1.62.54.06.410.016.0强度试验2.43.86.09.615.024.0水密封试验1.82.84.47.011.018.0气密封试验0.5-0.7四、主要零件材料及性能：体、盖、板阀杆密封面垫片密封面工作温度℃适用介质WCBWCB1Cr13增强柔性石墨1Cr13/柔性石墨PTFE齿轮垫片13CrSTL本材料尼龙≤425水蒸汽油品WC6WC6≤540WC9WC9≤570ZGCr5MoZGCr5Mo≤550ZG1Cr18Ni9TiZG1Cr18Ni9TiZG1Cr18Ni9Ti≤200硝酸类ZG1Cr18Ni12Mo9TiZG1Cr18Ni12Mo9TiZG1Cr18Ni12Mo9Ti≤200醋酸类五、国标升降式止回阀：六、国标钢制止回阀规格主要尺寸和重量：1.6MPaDNLDD1D2bn-ΦdHW(kg)凸面法兰RFH41HH41YH41WH41N16C16P16R15130956545144-14582.0201501057555144-14632.7251601158565144-14713.53218013510078164-18845.44020014511085164-18966.550230160125100164-181159.165290180145120184-181451480310195160135208-1815625100350215180155208-1817040125400245210185228-1820156150480280240210248-23238902.5MPa15130956545164-14604凸面法兰RFH41HH41YH41WH41N2525P25R201501057555164-14645251601158565164-146863218013510078184-187994020014511085184-18981250230160125100204-181101665290180145120228-181602480310195160135228-1817031100350230190160248-2319545125400270220188288-2522568150480300250210308-252551004.0MPaDNLDD1D2bn-dH重量凹凸法兰MFMH41HH41YH41WH41N4040P40R40I)