GDQ47H軌道球閥
軌道球閥結(jié)構(gòu)特點(diǎn)
傳統(tǒng)的球閥,無論是浮動(dòng)式還是固定式,球體與閥座始終接觸,開關(guān)扭矩大,密封面容易損傷,軌道球閥在啟閉時(shí),球體先偏轉(zhuǎn)-δ角,然后轉(zhuǎn)動(dòng),開關(guān)全過程中球體與閥座脫離,故閥座不會(huì)被擦傷,并且啟閉扭矩小。
軌道球閥主要零件材料
零件名稱材料
閥體WCBZG1Cr5Mo18-8CrNi18-12CrNiMo
閥蓋WCBZG1Cr5Mo18-8CrNi18-12CrNiMo
閥桿2Cr1338CrMoA11Cr18Ni9Ti1Cr18Ni12Mo2aTi
球體WCB HCr1Cr5Mo18-8CrNi18-12CrNiMo
閥座PTFE/13Cr/CrNiSS SLITE
螺柱B7/35CrMoA1Cr17Ni2
螺母2H/452Cr13
填料PTFE/增強(qiáng)柔性石墨
軌道球閥應(yīng)用規(guī)范
1、設(shè)計(jì)、制造按GB/12237
2、結(jié)構(gòu)長度按QB/ZMV107
3、連接法蘭JB/T79.1~79.4GB/T9113.1~9113.4
4、閥門檢查和試驗(yàn)按GB/13927
GDQ47型PN1.6~2.5MPa主要外形尺寸
公稱通徑DN1520253240506580100125150200250300350400450500600
L1301501601802002302903103504004806007308509801100120012501450
H1220230240260307360410483512543581617672723758791828870940
H24504865255506106406406757107408209059559901050110012701450
H34154555005355806056056206406857358509009201100125013401555
H4370400440460480500550600650713760820875930962102012851625
GDQ47型PN4.0MPa主要外形尺寸
公稱通徑DN1520253240506580100125180200250300350400450500600
L1301501601802002302903103504004806007308509801100120012501450
H1230240260280320360436492527607649701750750790832875910980
H2486525550610640640675710740820905955990105110012701450
H34555005355806056056206406857358509009201100125013401555
H4400440460480500550600650713777835890950980104013051650
GDQ47H軌道球閥 產(chǎn)品信息
關(guān)鍵詞:軌道球閥