真空法兰闸阀主要性能规范 Chief property and specification
真空法兰闸阀试验压力 Test pressure
|
公称压力
PN/MPa Nominal pressure |
试验压力/MPa Seal test
|
||
|
壳体强度试验
Shell strength |
上密封试验
Back seal test |
密封试验
Seat test |
|
|
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
Product type |
适用介质
Applicable medium |
适用温度/℃
Applicable temperature |
|
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 Materials for main parts
|
零件名称
Part name |
阀体、阀盖
Body Bonnet |
阀杆
Stem |
闸板
Wedge gate |
密封面
Sealing face |
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：alloy steel |
铝青铜
Albronze |
膨胀复合石墨
Expanding comDound graphite |
优质碳钢
High-grade carbon steel |
|
NKZ44
NKZ41Y-I型 NKZ944-I型 NKZ941 |
铬钼钢
Cr.Mo steel |
20CrlMo1VA
38CrMoAlA |
铬钼钢
Cr.Mo steel |
Y：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 diameter |
公称压力
PN/MPa Nominal pressure |
主要外形尺寸和连接尺寸/mm
Main extemal and connecting dimensions |
阀门
重量 /kg Valve weight |
附法兰尺寸/mm
Additional flange's dimensions |
||||||||||
|
L
|
H
|
D
|
D1
|
D2
|
b
|
f
|
z-d
|
W
|
h
|
D0
|
Dn
|
|||
|
50
|
1.O
|
250
|
345
|
160
|
125
|
1OO
|
16
|
3
|
4-18
|
250
|
28
|
45
|
49
|
58
|
|
65
|
270
|
395
|
180
|
145
|
120
|
18
|
3
|
4-18
|
250
|
40
|
48
|
64
|
75
|
|
|
80
|
280
|
425
|
195
|
160
|
135
|
20
|
3
|
4-18
|
300
|
55
|
50
|
78
|
97
|
|
|
100
|
300
|
51O
|
215
|
180
|
155
|
20
|
3
|
8-18
|
300
|
72
|
52
|
96
|
110
|
|
|
125
|
325
|
570
|
245
|
21O
|
185
|
22
|
3
|
8-18
|
350
|
106
|
60
|
120
|
136
|
|
|
150
|
350
|
725
|
280
|
240
|
21O
|
24
|
3
|
8-18
|
350
|
146
|
60
|
145
|
163
|
|
|
200
|
400
|
820
|
335
|
295
|
265
|
26
|
3
|
8-18
|
400
|
220
|
62
|
202
|
223
|
|
|
250
|
450
|
890
|
390
|
350
|
320
|
28
|
3
|
12-23
|
400
|
315
|
62
|
225
|
278
|
|
|
300
|
500
|
1070
|
440
|
400
|
368
|
28
|
3
|
12-23
|
450
|
398
|
65
|
303
|
330
|
|
|
350
|
550
|
1320
|
500
|
460
|
428
|
30
|
4
|
16-23
|
550
|
530
|
65
|
351
|
382
|
|
|
400
|
600
|
1450
|
565
|
515
|
482
|
32
|
4
|
16-25
|
550
|
690
|
65
|
398
|
432
|
|
|
450
|
650
|
1560
|
615
|
565
|
532
|
32
|
4
|
20-25
|
600
|
870
|
70
|
460
|
485
|
|
|
500
|
700
|
1720
|
670
|
620
|
585
|
34
|
4
|
20-25
|
650
|
1080
|
78
|
500
|
535
|
|
|
600
|
800
|
1880
|
780
|
725
|
685
|
36
|
5
|
20-30
|
700
|
1350
|
90
|
600
|
636
|
|
|
700
|
900
|
2085
|
895
|
840
|
800
|
40
|
5
|
24-30
|
750
|
1950
|
90
|
690
|
726
|
|
|
800
|
1OOO
|
2590
|
101O
|
950
|
905
|
44
|
5
|
24-34
|
800
|
2500
|
106
|
790
|
826
|
|
|
50
|
1.6
|
250
|
345
|
160
|
125
|
1OO
|
16
|
3
|
4-18
|
250
|
28
|
48
|
49
|
58
|
|
65
|
270
|
395
|
180
|
145
|
120
|
18
|
3
|
4-18
|
250
|
40
|
50
|
64
|
75
|
|
|
80
|
280
|
425
|
195
|
160
|
135
|
20
|
3
|
8-18
|
300
|
58
|
52
|
78
|
91
|
|
|
100
|
300
|
51O
|
215
|
180
|
155
|
20
|
3
|
8-18
|
300
|
75
|
52
|
96
|
110
|
|
|
125
|
325
|
570
|
245
|
21O
|
185
|
22
|
3
|
8-18
|
350
|
110
|
60
|
120
|
136
|
|
|
150
|
350
|
725
|
280
|
240
|
21O
|
24
|
3
|
8-23
|
350
|
150
|
60
|
145
|
163
|
|
|
200
|
400
|
820
|
335
|
295
|
265
|
26
|
3
|
12-23
|
400
|
223
|
62
|
201
|
223
|
|
|
250
|
450
|
890
|
405
|
355
|
320
|
30
|
3
|
12-25
|
450
|
326
|
68
|
253
|
278
|
|
|
300
|
500
|
1070
|
460
|
41O
|
375
|
30
|
3
|
12-25
|
550
|
432
|
70
|
303
|
330
|
|
|
350
|
550
|
1320
|
520
|
470
|
435
|
34
|
4
|
16-25
|
600
|
572
|
78
|
351
|
382
|
|
|
400
|
600
|
1450
|
580
|
525
|
485
|
36
|
4
|
16-30
|
650
|
740
|
90
|
398
|
432
|
|
|
450
|
650
|
1560
|
640
|
585
|
545
|
40
|
4
|
20-30
|
700
|
955
|
95
|
450
|
485
|
|
|
500
|
700
|
1720
|
705
|
650
|
608
|
44
|
4
|
20-34
|
750
|
1195
|
98
|
500
|
535
|
|
|
600
|
800
|
1880
|
840
|
770
|
718
|
48
|
5
|
20-41
|
800
|
1455
|
105
|
600
|
636
|
|
|
700
|
900
|
2085
|
g1O
|
840
|
788
|
50
|
5
|
24-41
|
850
|
211O
|
11O
|
690
|
726
|
|
|
800
|
1OOO
|
2590
|
1020
|
950
|
898
|
52
|
5
|
24-41
|
950
|
2630
|
115
|
790
|
826
|
|
