主要尺寸表BQ41二通软(硬)密封保温球阀一、产品说明：该保温球阀由于采用了蒸汽夹套保温，帮即使外界温度降到零度以下，此阀仍操作灵活，保证输油管道能启能闭。其优点是其他控制阀所不具备的，是重油输送管道理想的控制阀门。夹套连接方式：1.可选择内螺纹连接DN15--DN20G3/8，DN25--DN150G1/2，DN200以上G3/4；2.可选择法兰连接。DN15-DN50为15法兰，DN65--DN150为20法兰，DN200以上为25法兰。密封材质选择：选择常温增强通用温度高温耐磨、高温材料代号FFsMPPLY.H适用温度≤150℃≤200℃≤250℃≤350℃≤425℃主要部件材质：阀体WCB304316304L316L球304304316304L316L阀杆2Cr130Cr18Ni9(304)316304L316L填料柔性石墨环柔性石墨环柔性石墨环柔性石墨环柔性石墨环主要尺寸表压力口径DNLDD1D2BZ-Φd3-G应配法兰161510813510078184-183/8DN252011714511085184-183/8DN3225127160125100204-183/8DN4032140180145120208-181/2DN5040165180145120208-181/2DN6550178195160135208-181/2DN8065203245210185228-181/2DN10080229280240210248-231/2DN1251002543352952652612-231/2DN1501252673352952652612-231/2DN2001502924053553203012-251/2DN2502003305204704353416-251/2DN3002515KG,,ROUND-COLOR:white"width=72x:num>10813510078184-183/8DN252011714511085184-183/8DN3225127160125100204-183/8DN4032140180145120208-181/2DN5040165180145120208-181/2DN6550178195160135208-181/2DN8065203230190160248-231/2DN10080229300250218308-251/2DN1251002543603102783412-251/2DN1501252674253703323612-301/2DN2001502924253703323612-301/2DN2502003305504904484416-341/2DN350)