品牌西博思型号Dd3/6/973H公称通径DN50-DN2000（mm）结构形式垂直板式传动形式手动密封形式硬密封型详细介绍对夹式多层次蝶阀又名:蝶阀,多层次蝶阀,对夹式蝶阀,对夹式多层次蝶阀蝶阀产品结构多层次硬密封蝶阀系列产品,系我公司新开发的长寿命,节能型蝶阀。其结构采用三维偏心原理设计,阀座采用硬软密封兼容的多层次结构,加工精湛,工艺先进。本蝶阀由阀体、蝶板、多层次阀座、阀杆、传动机构等主要部件组成。特点由于本产品蝶阀采用的是三维偏心原理设计,使密封面的空间运动轨迹达到理想化,密封副相互之间无磨擦、无干涉,加之密封材料选择得当,从而使蝶阀的密封性、耐腐蚀性、耐高温性和耐磨性等得到了可靠的保证。一、蝶阀主要技术参数公称通径DN(mm)50~1200公称压力PN(MPa)0.61.01.62.54.0试验压力Ps(MPa)强度试验0.91.52.43.756.0密封试验0.661.11.762.754.4气密封试验0.60.60.60.60.6渗透率<0.1×DNmm3/s(符合GB/T13927-92标准)适用温度碳钢：-29℃~425℃不锈钢：-40℃~600℃适用介质空气、水、蒸气、煤气、油品以及酸、碱、盐带有弱腐蚀性介质等。驱动形式蜗杆蜗轮传动、气传动、电传动二、蝶阀主要零件的材质零件名称材料阀体铸钢、不锈钢、铬钼钢、合金钢蝶板铸钢、合金钢、不锈钢、铬钼钢密封圈不锈钢与耐高温石棉板组合成多层次阀杆2Cr13、1Cr13不锈钢、铬钼钢轴承奥氏体不锈钢、304氮化填料柔性石墨Dd3/6/973H-16/25C.P.R.V系列对夹式多层次金属硬密封蝶阀公称通径结构长度(标准值)外形尺寸(参考值)连接尺寸(标准值)HDd373HDd673HDd973HPN0.6MPaPN1.0MPa毫米英寸LH1A1B1H2A2B2H3A3B3D1Z-dD1Z-d50243112350180200625245725302502551104-141254-186521/246115370180200625245725302502551304-141454-1880364120380180200645245725652502551504-181608-18100464138420180200675355926002502551704-181808-18125570164460180200715355926402502552008-182108-18150676175555270280800355927053003152258-182408-222008892157804004258502501707753003152808-182958-222501011424384040042592525017094530031533512-1835012-22300121142859954505601035450220107030031539512-2240012-223501412732010504505601070450220114030031544512-2246016-224001614035012205355801190450220121030031549516-2251516-264501815235012805355801250650280133557571455016-2256520-265002015238013655355801290650280141557571460020-2262020-266002415443514605706601455850380160565681070520-2672520-307002816548015207505501585850380184465681081024-2684024-3080032190530171075055017001250380204065681092024-3095024-33900362035951810750550196512503802255785863102024-30105028-331000402166501900900750201512503802380785863112028-30116028-3612004825477522801000925225012503802640785863134032-33138032-3914005627987024501000925156036-36159036-421600644401000273010009253156176040-36182040-481800724901110302011009803421197044-39202044-482000805401250327011009803685218048-42223048-48)