带保护罩内外丝球阀带保护罩内外丝球阀主要性能参数 Speccification型号 TypeBTQ31F-64R公称压力 Nominal pressure6.4MPa强度试验压力 Shell test pressure9.6MPa密封试验(水) Seal test (water)7.04MPa密封试验(气) Seal test (gas)0.6MPa适用温度 Suitable temperature105C适用介质 Suitable medium制冷剂、油、水等主要零件材料 Main parts material序号 NO.零件名称 Part name材料 Materials1阀体 BodyCF8M2阀盖 CoverCF8M3阀座 SeatR-PTFE4球体 BallCF8M5阀杆 Stem316连接尺寸 Connecting dimension(BTQ31F-63R)inmm Size (in)DN (mm)ABLHS3/812.73/8-18MNPT3/8-18FNPT7142.5231/2151/2-14MNPT1/2-14FNPT7146233/4203/4-14MNPT3/4-14FNPT9250231251-11.5MNPT1-11.5FNPT1086628