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  • 球阀

    适用标准:
    球阀设计符合 API6D,BS5351,ASME B16.34
    面对面的 ASME B16.10,API6D
    法兰 ASME B16.5 / ASME B16.47
    对接焊接端 ASME B16.25
    消防安全 API607,API6A
    检验和测试 API 598,API6D

    材质:锻钢/铸钢/ DI / CI /不锈钢
    尺寸范围:1/2“〜24”
    压力等级:ASME CL,150、300、600、900,…
    温度范围:-29°C〜425°C

     

    美标球阀产品性能规范

    公称压力(PN) 1.6 2.5 4.0 6.4
    壳体试验压力 2.4 3.8 6.0 9.6
    密封试验(液) 1.8 2.8 4.4 7.0
    密封试验(气) 0.5~0.7
    适用介质 C       P       R
    水、油品、蒸气   硝酸类    醋酸类
    适用温度 ≤200℃

    美标球阀主要零件材料

    名称 WCB类  CF8类 CF3类 CF8M类 CF3M类
    阀体左体 A216-WCB A315-CF8 A35-CF3 A351-CF8M A351-CF3M
    球体 B2-B8 A105-1025 A182-F304L A182-F304L A132-F316 A182-F316L
    B8以上 A216-WCB A351-CF8M A351-CF3 A351-CF8M A351-CF3M
    阀杆 A182-F6a A182-F304 A182-F304L A182-F336 A182-F316L
    阀座 PTFE/增强PTFE/NYLIN PTFE/Reinforced PTFE/Nyion
    阀座支承圈 A105-1025 A182-F304 A182-F304L A182-F316 A182-F316L
    弹簧 3yc-7/17-49H
    O形圈 NBR 氟橡胶
    螺柱 A193-B7 A193-B8
    螺母 A194-2H A194-8

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