性能规范公称压力PN2.5,4MPa强度试验压力PT3.8,6,9,6低压气密封试验压力0.6高压密封试验压力2.8,4,4,7.04适用介质25F-25C/40CQ41F-25P/40P25R-Q41F/40R水、油品、气硝酸类醋酸娄适用温度-40-210℃主要外形尺寸DNBLDKYdCfHAn-do151513095654046142751304-142020150105755156162751404-142528160115855865162901404-14323218014010066761831101704-184038200150111076841831302004-18505023016512588992031402204-1865642901851451101182231703508-1880763102001601211322431803508-181001003502351901501562432505508-22本公司供应高阀三片式法兰球阀质量保证，欢迎咨询洽谈。)