●活接頭只適用于3000及3000以下級別;管件級別代號與管子壁厚等級的關系見后。 ●接管尺寸及承插孔徑d1、流通孔徑d2和承插孔深度J與ASME B16.11規定相同 ●Unions only applie to the class 3000 and below it; the relations of pressure grade and schedule refer to hereafter. ●Dimensions of pipe, socket diameter d1, broe diameter d2 and the length of the depth of socket J are same to requirements of ASME B16.11. |