缓冲环的公称尺寸及腔体尺寸NOK代码dDhH4055.55.96.3GS0707-V24560.55.9GS0708-V25065.55.9GS0709-V25570.55.9GS0710-V26075.55.9GS0711-V26580.55.9GS0712-V27085.55.9GS0713-V27590.55.9GS0714-V28095.55.9GS0715-V285100.55.9GS0716-V290105.55.9GS0717-V2100115.55.9GS0718-V2110125.55.9GS0719-V2120135.55.9GS0720-V2130145.55.9GS0721-V2140155.55.9GS0722-V2)