GQ47 轨道球阀
产品简介
详细信息
- 轨道球阀
结构特点
传统的球阀，无论是浮动式还是固定式，球体与阀座始终接触，开关扭矩大，密封面容易损伤，轨道球阀在启闭时，球体先偏转-δ角，然后转动，开关全过程中球体与阀座脱离，故阀座不会被擦伤，并且启闭扭矩小。
主要零件材料零件名称材料阀体wcbzg1cr5mo18-8crni18-12crnimo阀盖wcbzg1cr5mo18-8crni18-12crnimo阀杆2cr1338crmoa11cr18ni9ti1cr18ni12mo2ati球体wcb+hcr1cr5mo18-8crni18-12crnimo阀座ptfe/13cr/crni ss+slite螺柱b7/35crmoa1cr17ni2螺母2h/452cr13填料ptfe/增强柔性石墨
应用规范
1、设计、制造按gb/12237
2、结构长度按qb/zmv 107
3、连接法兰jb/t79.1～79.4 gb/t9113.1～9113.4
4、阀门检查和试验按gb/13927gq47型pn1.6～2.5mpa主要外形尺寸
公称通径dn1520253240506580100125180200250300350400450500600l1301501601802002302903103504004806007308509801100120012501450h1220230240260307360410483512543581617672723758791828870940h24504865255506106406406757107408209059559901050110012701450h34154555005355806056056206406857358509009201100125013401555h4370400440460480500550600650713760820875930962102012851625
gq47型pn4.0mpa主要外形尺寸公称通径dn1520253240506580100125180200250300350400450500600l1301501601802002302903103504004806007308509801100120012501450h1230240260280320360436492527607649701750750790832875910980h2486525550610640640675710740820905955990105110012701450h34555005355806056056206406857358509009201100125013401555h4400440460480500550600650713777835890950980104013051650
gq47型pn4.0mpa主要外形尺寸公称通径dn1520253240506580100125180200250300350400450500600l1301501601802002302903103504004806007308509801100120012501450h1230240260280320360436492527607649701750750790832875910980h2486525550610640640675710740820905955990105110012701450h34555005355806056056206406857358509009201100125013401555h4400440460480500550600650713777835890950980104013051650if (flag==1 || flag==2){text_pagination(1);}else{article.innerhtml=text;}