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NK44H,NK64H真空閘閥

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關(guān)鍵詞: NK44H,NK64H真空閘閥           

摘要

NK44H、NK64H真空閘閥連接形式分法蘭、焊接兩種,驅動(dòng)方式有手動(dòng)、電動(dòng)兩種。該閥門(mén)適用于工作溫度≤425℃和≤550℃,工作介質(zhì)為水、蒸汽或空氣的管路上,作為啟閉裝置;尤其適用于火電廠(chǎng)汽機冷凝和真空負壓系統,起真空隔離密封作用。

產(chǎn)品介紹

產(chǎn)品名稱(chēng):真空閘閥產(chǎn)品型號:NK44H、NK64H
公稱(chēng)通徑:DN50~DN800結構形式:閘板式
公稱(chēng)壓力:1.6Mpa~10.0Mpa連接方式:法蘭、焊接
適用溫度:-20ºC~+150ºC~425ºC~550ºC驅動(dòng)方式:手動(dòng)、傘齒輪、電動(dòng)、氣動(dòng)、液動(dòng)
閥體材質(zhì):WCB、鑄鋼、碳鋼、不銹鋼、鉻鉬鋼制造標準:國標GB、德國DIN、美國API、ANSI
適用介質(zhì):水、油、蒸汽、空氣生產(chǎn)廠(chǎng)家:中君閥門(mén)(上海)有限公司

產(chǎn)品說(shuō)明

NK44H、NK64H真空閘閥連接形式分法蘭、焊接兩種,驅動(dòng)方式有手動(dòng)、電動(dòng)兩種。該閥門(mén)適用于工作溫度≤425℃和≤550℃,工作介質(zhì)為水、蒸汽或空氣的管路上,作為啟閉裝置;尤其適用于火電廠(chǎng)汽機冷凝和真空負壓系統,起真空隔離密封作用。

結構特點(diǎn)

1、設計了真空密封結構填料室,使系統與大氣隔離,具有良好的環(huán)保性能。
2、選材考究,符全國內外相關(guān)標準,材料的質(zhì)量高。
3、密封副配對合理,提高了密封性能,使用壽命長(cháng)。
4、啟閉件采用平行閘板雙向彈性密封,摩擦力小,啟閉輕松,維修方便,密封可靠,性能優(yōu)良。
5、閥桿經(jīng)調質(zhì)及表面氮化處理,有良好的抗腐蝕性、抗擦傷性和耐磨性。
6、法蘭墊片采用復合材料,膨脹系數大、氣密性能好、保證系統與大氣隔離可靠。

主要性能規范

公稱(chēng)壓力
PN/MPa
N0minal
pressure
試驗壓力/MPa Seal test
殼體強度試驗
Shellslrenght test
上密封試驗
Back Seal test
密封試驗
Seat test
2.53.82.82.8
4.06.04.44.4
6.49.6707.0
10.015011.011.0

使用范圍

產(chǎn)品類(lèi)型
Pr0duct
calssificati0n
適用介質(zhì)
Applicable medium
適用溫度/℃
Applicable temperature
NKZ61H
NKZ64H H-C型
NKZ964H H-C型
NKZ961H
水、蒸汽、空氣
Water,Steam,Air
≤425
NKZ61H
NKZ64H Y-I型
NKZ964H Y-I型
NKZ961H
水、蒸汽、空氣
Water,Steam,Air
≤550

主要零部件材料

零件名稱(chēng)
Part name
閥體、閥蓋
B0dy B0nnet
閥桿
Valve stem
閘板
Wedge gate
密封面
Sealing face
閥桿螺母
Valve Y0ke nut
填料
Parking
緊固件
Fastener
NKZ61H
NKZ64H H-C型
NKZ964H H-C型
NKZ961H
WCB2Crl325H:合金鋼
H:all0ysteel
鋁青銅
Albr0nze
膨脹復合石墨
Expanding
c0mp0und
graphite
碳鋼
High-grade
carb0n steel
NKZ61H
NKZ64H Y-I型
NKZ964H Y-I型
NKZ961H
鉻鉬鋼
Cr.M0 steel
20CrlM01VA鉻鉬鋼
Cr.M0 steel
Y:硬質(zhì)合金
Y:carbide all0y
鉻鉬鋼
Cr.M0 steel

NK44H法蘭式真空閘閥主要連接尺寸PN1.6MPa

公稱(chēng)壓力 PN(MPa)公稱(chēng)通徑 DN(mm)主要外形尺寸及連接尺寸(mm)閥門(mén)重量(kg)附法蘭尺寸(mm)重量 (kg)
LHDD1D2bfZ-dWhDoDn
NK44H-16C
NK44H-16P
NK44H-16I
502503451601251001634-18250284849582.5
652703951801451201834-18250405064753.4
802804251951601352038-18300585278914.4
1003005102151801552038-183007552961105.2
1253255702452101852238-18350110601201367
1503507252802402102438-23350150601451639
20040082033529526526312-234002236220122312
25045089040535532030312-254503266825327819
300500107046041037530312-155504327030333025
350550132052047042534416-256005727835138233
400600145058052548536416-306507409039843243
450650156064058554540420-307009559545048554
500700172070565060844420-3475011959850053572
600800188084077071848520-41800145510560063691
700900208591084078850524-418502110110690726103
80010002590102095089852524-419502630115790826126

NK44H法蘭式真空閘閥主要連接尺寸PN2.5MPa

公稱(chēng)壓力 PN(MPa)公稱(chēng)通徑 DN(mm)主要外形尺寸及連接尺寸(mm)閥門(mén)重量(kg)附法蘭尺寸(mm)重量 (kg)
LHDD1D2bfZ-dWhD0Dn
NK44H-25C
NK44H-25P
NK44H-25I
502503451601251002034-18250304849642.9
652703951801451202238-18250435266823.8
802804251951601352238-18300605578954.8
1003005102301901602438-2330079621001177
1253255702702201882838-253501146812514410
1503507253002502183038-253501577215117213
20040082036031027834312-254002436020122319
25045089042537033236312-304503458525327823
300500107048343039040416-305504559230333035
350550132055049044844416-346506159835138254
400600145061055050548416-3470079411539843268
450650156066060055550420-34750101811545048385
500700172073066061052420-41800125012049853595
600800188084077071856520-418501528130598636128
700900208595587581560524-489002265140688726175
80010002590107099093064524-4810002847150788826230

NK44H法蘭式真空閘閥主要連接尺寸PN4.0MPa

公稱(chēng)壓力 PN(MPa)公稱(chēng)通徑 DN(mm)主要外形尺寸及連接尺寸(mm)閥門(mén)重量(kg)附法蘭尺寸(mm)重量 (kg)
LHDD1D2bfD6f2Z-dWhD0Dn
NK44H-40C
NK44H-40P
NK44H-40I
502503451601251002038844-18300354848643
6527039518014512022311048-18300495266824
8028042519516013522312148-18350655878955.3
1003005102301901602431504.58-2335087681001177.8
1253255702702201882831764.58-254001246812514411
1503507253002502183032044.58-254001727215117214
2004008203753202823832604.512-304502758819922326
2504508904563853454233134.512-3455039210225127838
30050010705104504084643644.516-3465051511630133054
3505501320570510465524422516-3475068412034938268
4006001450655585535584474516-41850902142396432

NK44H法蘭式真空閘閥主要連接尺寸PN6.4MPa

公稱(chēng)壓力 PN(MPa)公稱(chēng)通徑 DN(mm)主要外形尺寸及連接尺寸(mm)閥門(mén)重量(kg) 附法蘭尺寸(mm)重量 (kg)
LHDD1D2bfD6f2z-dWhDoDn
NK44H-64C
NK44H-64P
NK44H-64I
502503501751351052638844-23300437048644.7
6528040520016013028311048-23300607565826.5
8031043521017014030312148-23350787576957.6
1003505152502001683231504.58-25400100889811712
1254005802952402023631764.58-304001409812815018
1504507353402802403832044.58-3445020411014917226
2005508354053453004432604.512-3455031711619722339
2506509054704003524833134.512-4165047512224527854
30075010805304604125443644.516-4175063013629333072
3508501340595525475604422516-41800850154341382105
4009501460670585525664474516-489001096170386432145

NK44H法蘭式真空閘閥主要連接尺寸PN10.0MPa

公稱(chēng)壓力 PN(MPa)公稱(chēng)通徑 DN(mm)主要外形尺寸及連接尺寸(mm)閥門(mén)重量(kg) 附法蘭尺寸(mm)重量 (kg)
LHDD1D2bfD6f2z-dWhDoDn
NK44H-100C
NK44H-100P
NK44H-100I
502503501951451122838844-25300487248646.5
6528040522017013832311048-25300688463829.3
8031043523018014834312148-253508990749510.8
1003505152652101723831504.58-304001121009711716
1254005803102502104231764.58-3440015611512415025
1504507353502902504632044.512-3445022013014417235
2005508354303603125432604.512-4155035214518922358
2506509055004303826033134.512-4165053517023527889
30075010805855004427043644.516-48750730195281330132
3508501340655560498764422516-54850995210333380178
4009501460715620558804474516-549501265220376432224

NK64H焊接式真空閘閥主要外形尺寸PN1.6MPa

公稱(chēng)壓力 PN(MPa)公稱(chēng)通徑
DN/mm
Nominal
diameter
LαHDOPNl.6/MPa
DD1
NK64H-16C
NK64H-16P
NK64H-16I
5025037o30'3342505850
6527037o30'4392507565
8028037o30'4953009179
10030037o30'57535011O97
12532537o30'587350136121
15035037o30'607350163146
20040037o30'740400223202
25045037o30'863400278254
30050037o30'990400330305
35055037o30'1137500382352
40060037o30'1523500432399
45065037o30'1618600485451
50070037o30'1657600535501
60080037o30'1746700636601














NK64H焊接式真空閘閥主要外形尺寸PN2.5MPa

公稱(chēng)壓力 PN(MPa)公稱(chēng)通徑
DN/mm
Nominal
diameter
LαHDOPN2.5/MPa
DD1
NK64H-25C
NK64H-25P
NK64H-25I
5025037o30'334250644g
6527037o30'4392508267
8028037o30'4953009577
10030037o30'575350117101
12532537o30'587350144126
15035037o30'607350172158
20040037o30'740400223202
25045037o30'863400278254
30050037o30'990400330305
35055037o30'1137500382352
40060037o30'152350043239g
45065037o30'1618600485451
50070037o30'1657600535499
60080037o30'1746700636599

NK64H焊接式真空閘閥主要外形尺寸PN4.0MPa

公稱(chēng)壓力 PN(MPa)公稱(chēng)通徑
DN/mm
Nominal
diameter
LDαPN4.O/MPa
D1HD0
NK64H-40C
NK64H-40P
NK64H-40I
502506437o30'49345300
652708337o30'67441300
802809637o30'79495350
10030011737o30'101575350
12532514437o30'126587400
15035017237o30'152607400
20040022337o30'200740450
25045027837o30'252863550
30050033037o30'3021008650
35055038237o30'3501142750
40065043237o30'3971527850

NK64H焊接式真空閘閥主要外形尺寸PN6.4MPa

公稱(chēng)壓力 PN(MPa)公稱(chēng)通徑
DN/mm
Nominal
diameter
LDαPN6.4/MPa
D1HDO
NK64H-64C
NK64H-64P
NK64H-64I
502506437o30'50350300
652708337o30'66447300
802809637o30'77499350
10030011737o30'99582400
12532514437o30'129590400
15035017237o30'150611450
20040022337o30'198745550
25045027837o30'246867650
30050033037o30'2941008750
35055038237o30'3421148800
40065043237o30'3871531900

NK64H焊接式真空閘閥主要外形尺寸PN10.0MPa

公稱(chēng)壓力 PN(MPa)公稱(chēng)通徑
DN/mm
Nominal
diameter
LDαPNlO.0/MPa
D1HD0
NK64H-100C
NK64H-100P
NK64H-100I
502506437o30'49350300
652708337o30'64447300
802809637o30'75499350
10030011737o30'87582400
12532514437o30'125590400
15035017237o30'145611450
20040022337o30'190747550
25045027837o30'236869650
30050033037o30'2821013750
35055038237o30'3341148850
40065043237o30'3771533950

 

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