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柱塞截止閥概述
點擊次數(shù)：265 發(fā)布時間：2018-4-13
柱塞截止閥是由閥體、閥蓋、閥桿，柱塞，導(dǎo)向、密封環(huán)、手輪等零件組成(如圖)。當(dāng)手輪旋轉(zhuǎn)時，通過閥桿帶動柱塞在導(dǎo)向套中上、下往復(fù)運動，使柱塞端部斜錐面與閥座錐面完成閥門的開啟與關(guān)閉功能。柱塞截止閥中柱塞與密封環(huán)間采用過盈配合，通過調(diào)節(jié)中法蘭螺栓預(yù)緊力，使密封環(huán)壓縮所產(chǎn)生的側(cè)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(nèi)泄漏。由于密封環(huán)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(jīng)久耐用。從而提高了柱塞截止閥的使用壽命。柱塞截止閥結(jié)合柱塞閥的無泄漏有點和截止閥啟閉快的特點，成為一種結(jié)構(gòu)新穎，用途廣泛的新產(chǎn)品。
結(jié)構(gòu)規(guī)范
PN1.6-4.0
PN6.40.0DN15-250
DN1500PN1.6-4.0
PN6.40.0DN>250
DN>200
柱塞截止閥平衡式柱塞截止閥
性能范圍
閥體材料適用溫度適用介質(zhì)壓力范圍
鑄鋼<425℃水、蒸汽、石油產(chǎn)品PN1.6～1.6MPa
不銹鋼<300℃硝酸、醋酸通徑范圍
含鉬不銹鋼< 300℃尿素等DN15～300mm
蒙乃爾< 300℃酸等
外形及連接尺寸
1.6Mpa UJ41H6C UJ41W6C/P/R
公稱通徑DN(mm)1520253240506580100125150200250300350400
主要外形
尺寸及
連接尺寸
(mm)L130150160180200230290310350400480600650698787914
D95105115135145160180195215245280335405460520580
D1657585100110125145160180210240295355410470525
D24555657885100120135155185210265320375435485
b14141416161618202022242630303436
Z-d444444484848888888888-2312-2312-2512-2516-2516-30
H13317017819523025027230031236540046094098511001395
重量?3.54.56811152132446285148260340552752
外形及連接尺寸
2.5Mpa UJ41H-25C UJ41W-25C/P/R
公稱通徑DN(mm)1520253240506580100125150200250300350400
主要外形
尺寸及
連接尺寸
(mm)L130150160180200230290310350400480600650698787914
D95105115135145160180195230270300360425485550610
D1657585100110125145160190220250310370430490550
D24555657885100120135160188218278332390448405
b16161618182022222428303436404448
Z-d4444444848488888888812-238-2512-3016-3016-3416-34
H133170178195230250272300312365410470940100011401400
重量?3.54.56811162232486590165280360580800
外形及連接尺寸
4.0Mpa UJ41H-40C UJ41W-40P/R
公稱通徑DN(mm)1520253240506580100125150200250300350400
主要外形
尺寸及
連接尺寸
(mm)L130150160180200230290310350400480600650698787914
D95105115135145160180195230270300375445510570655
D1657585100110125145160190220250320385450515585
D24555657885100120135160188218282345408465535
b16161618182022222428303842465258
Z-?d44444848484888888-238-258-2512-3012-3416-3416-3416-41
H133170178195230250272300312365410580940100011401400
重量?3.54.568111622324875120185320480700930
外形及連接尺寸
6.4Mpa U41H-64C UJ41H-64P/R
公稱通徑DN(mm)1520253240506580100125150200250300
主要外形
尺寸及
連接尺寸
(mm)L170190210230260300340380430500550650775900
D105130145150165175200210250295340405470530
D17590100110125135160170200240280345400460
D25568788295105130140168202240300352412
D6405158667688110121150176204260313364
b1820222424262830323638444854
Z-d4448444-234-238-238-238-258-308-348-3412-3412-4116-41
H1501651852002352602853203404004505009801000
重量?689142230407098150260400520680