詳細介紹 產品介紹 柱塞截止閥|UJ41H法蘭柱塞截止 閥結構及特點 柱塞截止閥是由閥體、閥蓋、閥桿、柱塞、導向、密封環、手輪等零件組成(如圖)。當手輪旋轉時,通過閥桿帶動柱塞在導向套中上、下往復運動,使柱塞端部斜錐面與閥座錐面完成閥門的開啟與關閉功能。 在閥門中柱塞與密封環間采用過盈配合,通過調節中法蘭螺栓預緊力,使密封環壓縮所產生的側向力與閥體中孔面柱塞外圓密封,從而保證了閥門的密封性。杜絕了內泄漏。 由于密封環采用回彈性強、耐磨性高的無毒新型密封材料,所以密封可靠、經久耐用,從而提高了閥門的使用壽命。 本閥門結合柱塞閥的無泄漏優點和截止閥啟閉快的特點,成為一種結構新穎、用途廣泛的新產品。其性遠勝于普通截止閥。柱塞截止閥|UJ41H法蘭柱塞截止閥 的運用范圍●閥門設計、制造按:GBl2235《法蘭連接鋼截止閥升降式止回閥》的規定。●閥門的結構長度按:GBl2221《法蘭連接金屬閥門長度》系列尺寸。API閥心結構長度按ANSI 16110-86有關尺寸選用。●閥門連接法蘭尺寸按:HGJl44-76-91《鋼制管法蘭、墊片、緊固件》及HG標準中的尺寸選用。●閥門檢查和試驗按:GB/T13927《閥門的實驗和檢驗》及API 598《閥門的實驗和檢驗》要求。柱塞截止閥的安裝和維修●本公司生產的柱塞截止閥出廠前均進行過嚴格試壓、驗收。使用時只需將外表及孔腔清洗干凈,不必拆洗和更換。●本閥門可在任意位置安裝,介質流動方向見閥體上箭頭所示。●經過一段時間的使用,密封環如有磨損有滲漏必須先將閥門關閉后,再將中法蘭螺栓均勻略加旋緊以至下滲漏即可,●不宜盲目將螺栓擰得太緊。同時更換時應防止柱塞和新裝密封環表面裂痕和碰傷。柱塞截止閥的結構規范PNl.6-4.OPN6.4-10.0DNl5-250DNl5-100PNl.6-4.OPN6.4-10.0DN≥250DN≥200柱塞截止閥平衡式柱塞截止閥柱塞截止閥的性能規范閥體材料適用溫度適用介質壓力范圍鑄 鋼≤425℃水、蒸汽、石油產品PNl.6-1.6MPa不銹鋼≤300℃硝酸、醋酸通徑范圍含鉬不銹鋼≤300℃氮、氫、氨尿素等DNl5-500mm法蘭連接柱塞截止閥結構尺寸1.6-MPa UJ41H-16C UJ41W-16CP/R公稱通徑DN(mm)1520253240506580100125150200250300350400450500主要外形尺寸及連接尺寸(mm)L130150160180200230290310350400480600650698787914987 987 D95105115135145160180195215245280335405460520580640705D1657585100110125145160180210240295355410470525585650D24555657885100120135155185210265320375435485545608b141414161616182020222426303034364044Z-φd4-φ144-φ144-φ144-φ184-φ184-φ184-φ188-φ188-φ188-φ188-φ2312-φ2312-φ2512-φ2516-φ2516-φ3020-φ3420-φ34H1331701781952302502723003123654004609409851100139514801600重量kg3.64.56811152132446285148260340552752120014002.5-MPa UJ41H-25C UJ41W-25CP/R公稱通徑DN(mm)1520253240506580100125150200250300350400450500主要外形尺寸及連接尺寸(mm)L130150160180200230290310350400480600650698787914987 987 D95105115135145160180195230270300360425485550610660730D1657585100110125145160190220250310370430490550600600D24555657885100120135160188218278332390448405555610b1616141818202222242/3034364044485052Z-φd4-φ144-φ144-φ144-φ184-φ184-φ188-φ188-φ188-φ238-φ258-φ2512-φ3012-φ3016-φ3016-φ3416-φ3420-φ3420-φ41H13317017819523025027230031236541047094010001140140015001620重量kg3.54.56811162232486590165280360580800128014504.O-MPa UJ41H-40C UJ41W-40CP/R公稱通徑DN(mm)1520253240506580100125150200250300350400450500主要外形尺寸及連接尺寸(mm)L130150160180200230290310350400480600650698787914987 987 D95105115135145160180195230270300375445510570655680735D1657585100110125145160190220250320385450515585610670D24555657885100125135160188218282345408465535560612D6405158667688110121150176204260313364422474524576b161616181820222224283038424652586062Z-φd4-φ144-φ144-φ184-φ184-φ184-φ188-φ188-φ188-φ238-φ258-φ2512-φ3012-φ3416-φ3416-φ3416-φ4120-φ4120-φ48H13317017819523025027230031236541058094010001140140015001620重量kg3.54.56811162232487512018532048070093014501600法蘭連接柱塞截止閥結構尺寸6.4-MPa U41H-64C UJ41H-64P/R公稱通徑DN(mm)1520253240506580100125150200250300主要外形尺寸及連接尺寸(mm)L170190210230260300340380430500550650775900D105125135150165175200210250295340405470530D17590100110125135160170200240280345400460D25568788295105130140168202240300352412D6405158667688110121150176204260313364b1820222424262830323638444854Z-φd4-φ144-φ184-φ144-φ234-φ238-φ238-φ238-φ258-φ308-φ348-φ3412-φ3412-φ4116-φ41H1501651852002352602853203404004505009801000重量kg689142230407098150260400520680PNl0.0MPa UJ41H-100 UJ41H-100P/R公稱通徑 DN(mm)1520253240506580100125150200250300350400主要外形尺寸及連接尺寸(mm)L17019021023026030034038043050055065077590010251150D105125135150165195220230265310350430500585655715D17590100110125145170180210250290360430500560620H150165185200230250280300340400460520980106012001350重量kg681016263448961302503805106608109501100PNl6.0MPa UJ41H-160公稱通徑 DN(mm)1520253240506580100125150200250300主要外形尺寸及連接尺寸(mm)L165190216229241292330356432508559660787900D105130140155170195220230265315355430515586D17590100110125145170180210250290360430500H18020022027028029032035038042046054010001100重量kg112129384158801101351823055208461100