产品说明
 
焊接式真空闸阀详细说明：焊接式真空闸阀主要性能规范·试验压力 Test pressure
公称压力
PN/MPa
Nominal
pressure试验压力/MPa Seal test壳体强度试验
Shellslrenght test上密封试验
Back Seal test密封试验
Seat test2.53.82.82.84.O6.04.44.46.49.6707.O1O.O15O11.O11.O
·使用范围 Applicable
产品类型
Product
calssification适用介质
Applicable medium适用温度/℃
Applicable temperatureNKZ61H
NKZ64H H-C型
NKZ964H H-C型
NKZ961H水、蒸汽、空气
Water，Steam，Air≤425NKZ61H
NKZ64H Y-I型
NKZ964H Y-I型
NKZ961H水、蒸汽、空气
Water，Steam，Air≤550
·主要零部件材料 Materials for main parts
零件名称
Part name阀体、阀盖
Body Bonnet阀杆
Valve stem闸板
Wedge gate密封面
Sealing face阀杆螺母
Valve Yoke nut填料
Parking紧固件
FastenerNKZ61H
NKZ64H H-C型
NKZ964H H-C型
NKZ961HWCB2Crl325H：合金钢
H：alloysteel铝青铜
Albronze膨胀复合石墨
Expanding
compound
graphite优质碳钢
High-grade
carbon steelNKZ61H
NKZ64H Y-I型
NKZ964H Y-I型
NKZ961H铬钼钢
Cr.Mo steel20CrlMo1VA铬钼钢
Cr.Mo steelY：硬质合金
Y：carbide alloy铬钼钢
Cr.Mo steel

·主要尺寸及重量 Main dimensions and weight
公称通径
DN/mm
Nominal
diamecer公称压力
PN/MPa
Nominal
pressure主要外形尺寸和连接尺寸/mm
Main external andconnecting dimensions重量/kg
WeightLHDD0∝W502.5250345644937o30'2502465270395826637o30'2503680280425957837o30'3005210030051O11710037o30'3006712532557014412537o30'3509515035072517215137o30'35013520040082022320137o30'40021025045089027825337o30'450300300500107033030337o30'550395350550132038235137o30'650530400600145043239837o30'750685450650156048445037o30'750906500700172053549837o30'8501130600809188063860037o30'9001387700900208373870037o30'95018948001OOO259084080037o30'10002621504.0250345644837o30'3003065270395826637o30'3004280280425957837o30'3505710030051O1171OO37o30'3507512532557014412537o30'40010515035072517215137o30'40015020040082022319937o30'45023225045089027825137o30'550330300500107033030137o30'650430350550132038234937o30'750570400600145043239637o30'850730506.4250350644837o30'3003465280405826537o30'3004880310435957637o30'350651003505151179837o30'4008112540058015012837o30'40011215045073517214937o30'45016120055083522319737o30'55025525065090527824537o30'650390300750108033029337o30'750515350850134038234137o30'800695400950146043238637o30'900885501O.0250350644837o30'3003765280405826337o30'3005280310435957437o30'350701003505151179737o30'4008612540058015012437o30'40011815045073517214437o30'45016820055083522318937o30'55026325065090527823537o30'650405300750108033028137o30'750536350850134038233337o30'850732400950146043237637o30'950947