真空法兰闸阀试验压力Testpressure
公称压力
PN/MPa Nominal pressure |
试验压力/MPaSealtest
|
||
壳体强度试验
Shellstrength |
上密封试验
Backsealtest |
密封试验
Seattest |
|
1.0
|
1.5
|
1.1
|
1.1
|
1.6
|
2.4
|
1.8
|
1.8
|
2.5
|
3.8
|
2.8
|
2.8
|
4.0
|
6.O
|
4.4
|
4.4
|
6.4
|
8.6
|
7.O
|
7.0
|
1O.O
|
15.O
|
11.O
|
11.O
|
真空法兰闸阀使用范围Applicable
产品类型
Producttype |
适用介质
Applicablemedium |
适用温度/℃
Applicabletemperature |
NKZ41H
NKZ44H NKZ944H-C型 NKZ941H |
水、蒸汽、空气
Water,Steam,Air |
≤425
|
NKZ41H(Y)
NKZ44H(Y)-I型 NKZ944H(Y)-I型 NKZ941H(Y) |
水、蒸汽、空气
Water,Steam,Air |
≤550
|
真空法兰闸阀主要零件材料Materialsformainparts
零件名称
Partname |
阀体、阀盖
BodyBonnet |
阀杆
Stem |
闸板
Wedgegate |
密封面
Sealingface |
阀杆螺母
Yokenut |
填料
Parking |
紧固件
Fastener |
NKZ44H
NKZ41H-C型 NKZ944H-C型 NKZ941H |
WCB
|
2Crl3
|
25
|
H:合金钢
H:alloysteel |
铝青铜
Albronze |
膨胀复合石墨
Expanding comDound graphite |
优质碳钢
High-grade carbonsteel |
NKZ44
NKZ41Y-I型 NKZ944-I型 NKZ941 |
铬钼钢
Cr.Mosteel |
20CrlMo1VA
38CrMoAlA |
铬钼钢
Cr.Mosteel |
Y:硬质合金
Y:carbidealloy |
铬钼钢
Cr.Mosteel |