技术参数 ：型号2W-025-062W-025-082W-040-082W-040-102W-160-102W-160-152W-200-202W-250-252W-350-352W-400-402W-500-50螺纹G1/8", 1/4"1/8", 1/4"1/4"3/8"3/8"1/2"3/4"1"1¼"1½"2"通径mm2.54162025354050工作方式直动式分布直动式Cv 值0.230.64.87.612242948长Lmm40.540.540.552.569697399115120154高