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派克卡套球阀按结构形式可分：浮动球式、固定球式、弹性球式，它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。
Parker二通球阀：
KH06LXKH08LXKH10LXKH12LXKH15LXKH18LXKH22LXKH28LXKH35LXKH42LX
KH08SXKH10SXKH12SXKH14SXKH16SXKH20SXKH25SXKH30SXKH38SX
KH1/8XKH1/4XKH3/8XKH1/2XKH1X
PARKER三通球阀：
KH3/2-06LKH3/2-08LKH3/2-12LKH3/2-22LKH3/2-15LKH3/2-18LKH3/2-22LKH3/2-28LKH3/2-08SKH3/2-10SKH3/2-12SKH3/2-14SKH3/2-16SKH3/2-20SKH3/2-25SKH3/2-30S
PARKERKH-NPT内螺纹二通球阀-美制锥螺纹
KH1/8NPTXKH1/4NPTXKH3/8NPTXKH1/2NPTXKH3/4NPTXKH1NPTXKH11/4NPTXKH11/2NPTX
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