真空焊接闸阀主要性能规范真空焊接闸阀试验压力
公称压力试验压力/Mpa Seal test
PN/Mpa
Nominal
pressure壳体强度试验上密封试验密封试验
Shellslrenght testBack Seal testSeat test
2.53.82.82.8
4.O64.44.4
6.49.6707.O
1O.O15O11.O11.O
真空焊接闸阀使用范围
产品类型适用介质适用温度/℃
ProductApplicable mediumApplicable temperature
calssification
NKZ61H水、蒸汽、空气≤425
NKZ64H H-C型Water，Steam，Air
NKZ964H H-C型
NKZ961H
NKZ61H水、蒸汽、空气≤550
NKZ64H Y-I型Water，Steam，Air
NKZ964H Y-I型
NKZ961H
真空焊接闸阀主要零部件材料
零件名称阀体、阀盖阀杆闸板密封面阀杆螺母填料紧固件
NKZ61HWCB2Crl325H：合金钢铝青铜膨胀复合石墨优质碳钢
NKZ64H H-C型H：alloysteelAlbronzeExpandingHigh-grade
NKZ964H H-C型compoundcarbon steel
NKZ961Hgraphite
NKZ61H铬钼钢20CrlMo1VA铬钼钢Y：硬质合金铬钼钢
NKZ64H Y-I型Cr.Mo steelCr.Mo steelY：carbide alloyCr.Mo steel
NKZ964H Y-I型
NKZ961H
真空焊接闸阀主要尺寸及重量
公称通径公称压力主要外形尺寸和连接尺寸/mm重量/kg
DN/mmPN/MpaMain external andconnecting dimensionsWeight
NominalNominal
diamecerpressureLHDD0∝W
502.5250345644937o30’25024
65270395826637o30’25036
80280425957837o30’30052
10030051O11710037o30’30067
12532557014412537o30’35095
15035072517215137o30’350135
20040082022320137o30’400210
25045089027825337o30’450300
300500107033030337o30’550395
350550132038235137o30’650530
400600145043239837o30’750685
450650156048445037o30’750906
500700172053549837o30’8501130
600809188063860037o30’9001387
700900208373870037o30’9501894
8001OOO259084080037o30’10002621
504250345644837o30’30030
65270395826637o30’30042
80280425957837o30’35057
10030051O1171OO37o30’35075
12532557014412537o30’400105
15035072517215137o30’400150
20040082022319937o30’450232
25045089027825137o30’550330
300500107033030137o30’650430
350550132038234937o30’750570
400600145043239637o30’850730
506.4250350644837o30’30034
65280405826537o30’30048
80310435957637o30’35065
1003505151179837o30’40081
12540058015012837o30’400112
15045073517214937o30’450161
20055083522319737o30’550255
25065090527824537o30’650390
300750108033029337o30’750515
350850134038234137o30’800695
400950146043238637o30’900885
501O.0250350644837o30’30037
65280405826337o30’30052
80310435957437o30’35070
1003505151179737o30’40086
12540058015012437o30’400118
15045073517214437o30’450168
20055083522318937o30’550263
25065090527823537o30’650405
300750108033028137o30’750536
350850134038233337o30’850732
400950146043237637o30’950947
注：PN2.5(25)型阀门允许作为PN1.0(10)、PN1.6(16)压力级选用