应用规范公称压力：16-32MPa适用温度：-20～232℃～350℃焊接类型：对焊（BW）、承插焊（SW）高压对焊球阀,对焊球阀,高压球阀。二、高压对焊球阀主要尺寸：型号公称通径尺寸（mm）LL1DD1HL0Q61FN-160Q661FN-1601015060901868220151707010023622202019181110297525025205985115368025032230110150439630040260120170491114005033014020061128400653601502208018050080380160270105200600100430188320118245800型号公称通径尺寸（mm）气动装置LL1DD1HL0Q661FN-160Q661FN-32010150609018211255QD60151707010023293348QD100201918111029297348QD100252059511536303348QD1003223011015043456520QD1504026012017049463520QD1505033014020061478520QD1506536015022580180500-80380160270105200600-100430188320118245800-三、高压对焊球阀主要零件材料：适用介质型号阀体球体、阀杆手柄密封圈垫片、填料水、蒸汽、油品Q61N-16/320CQ661N-160/320CA105、451Cr18/1Cr18Ni9Ti铸铁WCB聚四氟乙稀PTFE增强聚四氟乙烯VUILUKPTFE对位聚本PPL聚四氟乙烯PTFE对位聚笨PPL硝酸类Q61N-16/320PQ661N-160/320P304/1Cr18Ni9Ti304/1Cr18Ni9Ti醋酸类Q61N-16/320RQ661N-160/320R316/1Cr18Ni12Mo2TI316/Cr18Ni12Mo2Ti四、高压对焊球阀国标主要尺寸：公称通径DN（mm）Q11N-100/160、Q11N-100/160PQ11N-320、Q11N-320P管螺纹尺寸（mm）管螺纹尺寸（mm）dLHWEHWSWL51/411704310842.5----70103/811704310842.5-----151/211854310842.51/2681304185203/4149545.514647.53/47718046952512110559.514652.5182180551053211/42512064.51466011/4115300701204011/232130762546511/212030080130502381508125475213030010015)