真空法蘭閘閥主要性能規范Chiefpropertyandspecification

真空法蘭閘閥試驗壓力Testpressure

公稱壓力
PN/MPa
Nominal
pressure試驗壓力/MPaSealtest 殼體強度試驗
Shellstrength上密封試驗
Backsealtest密封試驗
Seattest 1.01.51.11.1 1.62.41.81.8 2.53.82.82.8 4.06.O4.44.4 6.48.67.O7.0 1O.O15.O11.O11.O

真空法蘭閘閥使用范圍Applicable

產品類型
Producttype適用介質
Applicablemedium適用溫度/℃
Applicabletemperature NKZ41H
NKZ44H
NKZ944H-C型
NKZ941H水、蒸汽、空氣
Water，Steam，Air≤425 NKZ41H(Y)
NKZ44H(Y)-I型
NKZ944H(Y)-I型
NKZ941H(Y)水、蒸汽、空氣
Water，Steam，Air≤550

真空法蘭閘閥主要零件材料Materialsformainparts

零件名稱
Partname閥體、閥蓋
BodyBonnet閥桿
Stem閘板
Wedgegate密封面
Sealingface閥桿螺母
Yokenut填料
Parking緊固件
Fastener NKZ44H
NKZ41H-C型
NKZ944H-C型
NKZ941HWCB2Crl325H：合金鋼
H：alloysteel鋁青銅
Albronze膨脹復合石墨
Expanding
comDound
graphite優質碳鋼
High-grade
carbonsteel NKZ44
NKZ41Y-I型
NKZ944-I型
NKZ941鉻鉬鋼
Cr.Mosteel20CrlMo1VA
38CrMoAlA鉻鉬鋼
Cr.MosteelY：硬質合金
Y：carbidealloy鉻鉬鋼
Cr.Mosteel

·主要尺寸及重量Maindimensionsandweight

公稱通徑
DN/mm
Nominal
diameter公稱壓力
PN/MPa
Nominal
pressure主要外形尺寸和連接尺寸/mm
Mainextemalandconnectingdimensions閥門
重量
/kg
Valve
weight附法蘭尺寸/mm
Additionalflange‘s
dimensions LHDD1D2bfz-dWhD0Dn 501.O2503451601251OO1634-1825028454958 652703951801451201834-1825040486475 802804251951601352034-1830055507897 10030051O2151801552038-18300725296110 12532557024521O1852238-1835010660120136 15035072528024021O2438-1835014660145163 2004008203352952652638-1840022062202223 25045089039035032028312-2340031562225278 300500107044040036828312-2345039865303330 350550132050046042830416-2355053065351382 400600145056551548232416-2555069065398432 450650156061556553232420-2560087070460485 500700172067062058534420-25650108078500535 600800188078072568536520-30700135090600636 700900208589584080040524-30750195090690726 8001OOO2590101O95090544524-348002500106790826 501.62503451601251OO1634-1825028484958 652703951801451201834-1825040506475 802804251951601352038-1830058527891 10030051O2151801552038-18300755296110 12532557024521O1852238-1835011060120136 15035072528024021O2438-2335015060145163 20040082033529526526312-2340022362201223 25045089040535532030312-2545032668253278 300500107046041O37530312-2555043270303330 350550132052047043534416-2560057278351382 400600145058052548536416-3065074090398432 450650156064058554540420-3070095595450485 500700172070565060844420-34750119598500535 600800188084077071848520-418001455105600636 7009002085g1O84078850524-41850211O11O690726 8001OOO2590102095089852524-419502630115790826

·主要尺寸及重量Maindimensionsandweight

公稱通徑
DN/mm
Nominal
diameter公稱壓力
PN/MPa
Nominal
pressure主要外形尺寸和連接尺寸