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美國PARKER球閥，PARKER球閥
    PARKER球閥，PARKER二通球閥，PARKER三通球閥等，PARKER球閥球閥的工作原理是靠旋轉閥戀來使閥門暢通或閉塞。球閥開關輕便，體積小，可以做成很大口徑，密封可靠，結構 簡單，維修方便，密封面與球面常在閉合狀態，不易被介質沖蝕,在各行業得到廣泛的應用。
    兩通球閥：
    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
    三通球閥
    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 內螺紋二通球閥-美制錐螺紋
    KH1/8NPTX KH1/4NPTX KH3/8NPTX KH1/2NPTX KH3/4NPTX KH1NPTX KH11/4NPTX KH11/2NPTX