詳細(xì)介紹 J44F46襯氟角式截止閥 產(chǎn)品詳情 截止閥是指關(guān)閉(閥瓣)由閥桿帶動(dòng)并沿閥座中心軸線(xiàn)做升降運(yùn)動(dòng)的閥門(mén),在管路上主要用來(lái)接通或截?cái)喙苈分械慕橘|(zhì),但不能做節(jié)流用。基本結(jié)構(gòu)1、塑料襯里J41型直通式襯氟角式截止閥、J45型直溜式襯氟角式截止閥、J44型角式截止閥、具有結(jié)構(gòu)緊湊、啟閉靈活、耐腐蝕性能強(qiáng),行程短(一般為公稱(chēng)通經(jīng)1/4)等優(yōu)點(diǎn)。被廣泛應(yīng)用在石油、化工等管路系統(tǒng)中做截?cái)嘟橘|(zhì)用,但塑料襯里的截止閥嚴(yán)禁用做流量調(diào)節(jié),以免節(jié)流口處產(chǎn)生的高速介質(zhì)流沖蝕破壞密封面。2、閥瓣與閥桿設(shè)計(jì)為一體結(jié)構(gòu),用以防止由于管路壓力波動(dòng)造成內(nèi)件沖出閥體的可能性,結(jié)構(gòu)緊湊,使用安全。襯氟角式截止閥設(shè)計(jì)規(guī)范遵循GB/T 12233,GB/T12235,ANSI B 16.34標(biāo)準(zhǔn)驅(qū)動(dòng)方式手動(dòng)襯氟角式截止閥、蝸輪轉(zhuǎn)動(dòng)襯氟角式截止閥、氣動(dòng)(常開(kāi)或常閉)襯氟角式截止閥、電動(dòng)襯氟角式截止閥 襯氟角式截止閥主要零部件材料表序號(hào)零件名稱(chēng)灰鑄鐵鑄鋼不銹耐酸鑄鋼超低碳不銹耐酸鑄鋼ZCPRPLRL1閥體/閥蓋HT250WCBCF8CF8MCF3CF3M2球體/閥桿252Cr131Cr18Ni91Cr18Ni12Mo2Ti00Cr18Ni1000Cr17Ni14Mo23襯里/閥座PCTEF(F3),FEP(F46),PFA(可溶F4),PP,PO4填料壓蓋WCBCF8CF8MCF3CF3M5填料PTFE(F4)PTFE(F4)PTFE(F4)6活節(jié)螺栓351Cr17Ni21Cr17Ni27閥桿螺母ZCuAl10Fe3ZCuAl10Fe3ZCuAl10Fe38緊固螺栓351Cr17Ni21Cr18Ni9Ti9螺母450Cr18Ni90Cr18Ni910手柄WCBWCBWCB 襯氟角式截止閥主要外形和連接尺寸公稱(chēng)通經(jīng)LDD1D2fbZ-φdDN(mm)NPS(inch)PN1.0MPa151/2909565452144-φ14203/49510575552164-φ1425110011585652164-φ143211/4105135100782184-φ184011/2115145110853184-φ185021251601251003204-φ186521/21451801451203204-φ188031551951601353224-φ1810041752151801553228-φ1812552002452101853248-φ1815062252802402103248-φ2320082753352952653268-φ232501032539035032032812-φ233001237544040036842812-φ23PN1.6MPa151/2909565452144-φ14203/49510575552164-φ1425110011585652164-φ143211/4105135100782184-φ184011/2115145110853184-φ185021251601251003204-φ186521/21451801451203204-φ188031551951601353228-φ1810041752151801553248-φ1812552002452101853268-φ1815062252802402103288-φ2320082753352952653308-φ23PN2.5MPa151/2909565452164-φ14203/49510575552164-φ1425110011585652164-φ143211/4105135100782184-φ184011/2115145110853184-φ185021251601251003204-φ18