美国PARKER球阀，PARKER球阀
    PARKER球阀，PARKER二通球阀，PARKER三通球阀等，PARKER球阀球阀的工作原理是靠旋转阀恋来使阀门畅通或闭塞。球阀开关轻便，体积小，可以做成很大口径，密封可靠，结构 简单，维修方便，密封面与球面常在闭合状态，不易被介质冲蚀,在各行业得到广泛的应用。
    两通球阀：
    KH06LX KH08LX KH10LX KH12LX KH15LX KH18LX KH22LX KH28LX KH35LX KH42LX
    KH08SX KH10SX KH12SX KH14SX KH16SX KH20SX KH25SX KH30SX KH38SX
    KH1/8X KH1/4X KH3/8X KH1/2X KH1X
    三通球阀
    KH3/2-06L KH3/2-08L KH3/2-12L KH3/2-22L KH3/2-15L KH3/2-18L KH3/2-22L KH3/2-28L KH3/2-08S KH3/2-10S KH3/2-12S KH3/2-14S KH3/2-16S KH3/2-20S KH3/2-25S KH3/2-30S
    KH-NPT 内螺纹二通球阀-美制锥螺纹
    KH1/8NPTX KH1/4NPTX KH3/8NPTX KH1/2NPTX KH3/4NPTX KH1NPTX KH11/4NPTX KH11/2NPTX