| 详细介绍：
焊接式真空闸阀
真空闸阀和真空截止阀是同属一个类型的阀门，区别在它的关闭件是个阀体，阀体绕阀体中心线作旋转来达到开启、关闭的一种阀门。 闸阀在管路中主要用来做切断、分配和改变介质的流动方向。真空截止阀的工作原理是靠旋转阀恋来使阀门畅通或闭塞。闸阀开关轻便，体积小，可以做成很大口径，密封可靠，结构 简单，维修方便，密封面与球面常在闭合状态，不易被介质冲蚀，在各行业得到广泛的应用。
NKZ61H/Z64H焊接式真空闸阀
主要性能规范 Chief property and specification
·焊接式真空闸阀-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
Shellslrenght test
|
上密封试验
Back Seal test
|
密封试验
Seat test
|
|
2.5
|
3.8
|
2.8
|
2.8
|
|
4.O
|
6.0
|
4.4
|
4.4
|
|
6.4
|
9.6
|
70
|
7.O
|
|
1O.O
|
15O
|
11.O
|
11.O
|
·焊接式真空闸阀-使用范围 Applicable
|
产品类型
Product
calssification
|
适用介质
Applicable medium
|
适用温度/℃
Applicable temperature
|
|
NKZ61H
NKZ64H H-C型
NKZ964H H-C型
NKZ961H
|
水、蒸汽、空气
Water，Steam，Air
|
≤425
|
|
NKZ61H
NKZ64H Y-I型
NKZ964H Y-I型
NKZ961H
|
水、蒸汽、空气
Water，Steam，Air
|
≤550
|
·焊接式真空闸阀-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
Fastener
|
|
NKZ61H
NKZ64H H-C型
NKZ964H H-C型
NKZ961H
|
WCB
|
2Crl3
|
25
|
H：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 steel
|
|
NKZ61H
NKZ64H Y-I型
NKZ964H Y-I型
NKZ961H
|
铬钼钢
Cr.Mo steel
|
20CrlMo1VA
|
铬钼钢
Cr.Mo steel
|
Y：硬质合金
Y：carbide alloy
|
铬钼钢
Cr.Mo steel
|
·焊接式真空闸阀-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
Weight
|
|
L
|
H
|
D
|
D0
|
∝
|
W
|
|
50
|
2.5
|
250
|
345
|
64
|
49
|
37o30'
|
250
|
24
|
|
65
|
270
|
395
|
82
|
66
|
37o30'
|
250
|
36
|
|
80
|
280
|
425
|
95
|
78
|
37o30'
|
300
|
52
|
|
100
|
300
|
51O
|
117
|
100
|
37o30'
|
300
|
67
|
|
125
|
325
|
570
|
144
|
125
|
37o30'
|
350
|
95
|
|
150
|
350
|
725
|
172
|
151
|
37o30'
|
350
|
135
|
|
200
|
400
|
820
|
223
|
201
|
37o30'
|
400
|
210
|
|
250
|
450
|
890
|
278
|
253
|
37o30'
|
450
|
300
|
|
300
|
500
|
1070
|
330
|
303
|
37o30'
|
550
|
395
|
|
350
|
550
|
1320
|
382
|
351
|
37o30'
|
650
|
530
|
|
400
|
600
|
1450
|
432
|
398
|
37o30'
|
750
|
685
|
|
450
|
650
|
1560
|
484
|
450
|
37o30'
|
750
|
906
|
|
500
|
700
|
1720
|
535
|
498
|
37o30'
|
850
|
1130
|
|
600
|
809
|
1880
|
638
|
600
|
37o30'
|
900
|
1387
|
|
700
|
900
|
2083
|
738
|
700
|
37o30'
|
950
|
1894
|
|
800
|
1OOO
|
2590
|
840
|
800
|
37o30'
|
1000
|
2621
|
|
50
|
4.0
|
250
|
345
|
64
|
48
|
37o30'
|
300
|
30
|
|
65
|
270
|
395
|
82
|
66
|
37o30'
|
300
|
42
|
|
80
|
280
|
425
|
95
|
78
|
37o30'
|
350
|
57
|
|
100
|
300
|
51O
|
117
|
1OO
|
37o30'
|
350
|
75
|
|
125
|
325
|
570
|
144
|
125
|
37o30'
|
400
|
105
|
|
150
|
350
|
725
|
172
|
151
|
37o30'
|
400
|
150
|
|
200
|
400
|
820
|
223
|
199
|
37o30'
|
450
|
232
|
|
250
|
450
|
890
|
278
|
251
|
37o30'
|
550
|
330
|
|
300
|
500
|
1070
|
330
|
301
|
37o30'
|
650
|
430
|
|
350
|
550
|
1320
|
382
|
349
|
37o30'
|
750
|
570
|
|
400
|
600
|
1450
|
432
|
396
|
37o30'
|
850
|
730
|
|
50
|
6.4
|
250
|
350
|
64
|
48
|
37o30'
|
300
|
34
|
|
65
|
280
|
405
|
82
|
65
|
37o30'
|
300
|
48
|
|
80
|
310
|
435
|
95
|
76
|
37o30'
|
350
|
65
|
|
100
|
350
|
515
|
117
|
98
|
37o30'
|
400
|
81
|
|
125
|
400
|
580
|
150
|
128
|
37o30'
|
400
|
112
|
|
150
|
450
|
735
|
172
|
149
|
37o30'
|
450
|
161
|
|
200
|
550
|
835
|
223
|
197
|
37o30'
|
550
|
255
|
|
250
|
650
|
905
|
278
|
245
|
37o30'
|
650
|
390
|
|
300
|
750
|
1080
|
330
|
293
|
37o30'
|
750
|
515
|
|
350
|
850
|
1340
|
382
|
341
|
37o30'
|
800
|
695
|
|
400
|
950
|
1460
|
432
|
386
|
37o30'
|
900
|
885
|
|
50
|
1O.0
|
250
|
350
|
64
|
48
|
37o30'
|
300
|
37
|
|
65
|
280
|
405
|
82
|
63
|
37o30'
|
300
|
52
|
|
80
|
310
|
435
|
95
|
74
|
37o30'
|
350
|
70
|
|
100
|
350
|
515
|
117
|
97
|
37o30'
|
400
|
86
|
|
125
|
400
|
580
|
150
|
124
|
37o30'
|
400
|
118
|
|
150
|
450
|
735
|
172
|
144
|
37o30'
|
450
|
168
|
|
200
|
550
|
835
|
223
|
189
|
37o30'
|
550
|
263
|
|
250
|
650
|
905
|
278
|
235
|
37o30'
|
650
|
405
|
|
300
|
750
|
1080
|
330
|
281
|
37o30'
|
750
|
536
|
|
350
|
850
|
1340
|
382
|
333
|
37o30'
|
850
|
732
|
|
400
|
950
|
1460
|
432
|
376
|
37o30'
|
950
|
947
|
注：PN2.5(25)型阀门允许作为PN1.0(10)、PN1.6(16)压力级选用
·焊接式真空闸阀-主要尺寸 Main dimensions
|
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
|
电动装置
Electric
device
|
|
L
|
H
|
D
|
D0
|
∝
|
W
|
|
50
|
2.5
|
250
|
618
|
64
|
49
|
37o30'
|
562
|
DZWlO
|
|
65
|
270
|
670
|
82
|
66
|
37o30'
|
562
|
DZWlO
|
|
80
|
280
|
700
|
95
|
78
|
37o30'
|
562
|
DZWlO
|
|
100
|
300
|
785
|
117
|
100
|
37o30'
|
607
|
DZWl5
|
|
125
|
325
|
845
|
144
|
125
|
37o30'
|
607
|
DZW20l
|
|
150
|
350
|
990
|
172
|
151
|
37o30'
|
607
|
DZW20l
|
|
200
|
400
|
1080
|
223
|
201
|
37o30'
|
607
|
DZW30
|
|
250
|
450
|
1150
|
278
|
253
|
37o30'
|
607
|
DZW30
|
|
300
|
500
|
1415
|
330
|
303
|
37o30'
|
755
|
DZW45
|
|
350
|
550
|
1665
|
382
|
351
|
37o30'
|
755
|
DZW60
|
|
400
|
600
|
1815
|
432
|
398
|
37o30'
|
825
|
DZW90
|
|
450
|
650
|
1920
|
484
|
450
|
37o30'
|
825
|
DZWl20
|
|
500
|
700
|
2080
|
535
|
498
|
37o30'
|
825
|
DZWl20
|
|
600
|
800
|
2380
|
638
|
600
|
37o30'
|
925
|
DZWl80
|
|
50
|
4.0
|
250
|
618
|
64
|
49
|
37o30'
|
562
|
DZWl5
|
|
65
|
270
|
670
|
82
|
66
|
37o30'
|
562
|
DZWl5
|
|
80
|
280
|
700
|
95
|
78
|
37o30'
|
607
|
DZWl5
|
|
1OO
|
300
|
785
|
117
|
100
|
37o30'
|
607
|
DZW20l
|
|
125
|
325
|
845
|
144
|
125
|
37o30'
|
607
|
DZW20l
|
|
150
|
350
|
990
|
172
|
151
|
37o30'
|
607
|
DZW30
|
|
200
|
400
|
1080
|
223
|
199
|
37o30'
|
607
|
DZW30
|
|
250
|
450
|
1150
|
278
|
251
|
37o30'
|
755
|
DZW45
|
|
300
|
500
|
1415
|
330
|
301
|
37o30'
|
755
|
DZW60
|
|
350
|
550
|
1685
|
382
|
349
|
37o30'
|
825
|
DZW90l
|
|
400
|
600
|
1815
|
432
|
396
|
37o30'
|
825
|
DZW20
|
|
50
|
6.4
|
250
|
625
|
64
|
49
|
37o30'
|
562
|
DZWlO
|
|
65
|
280
|
693
|
82
|
66
|
37o30'
|
562
|
DZWl5
|
|
80
|
31O
|
712
|
95
|
76
|
37o30'
|
607
|
DZW20l
|
|
1OO
|
350
|
790
|
117
|
98
|
37o30'
|
607
|
DZW20l
|
|
125
|
400
|
855
|
150
|
128
|
37o30'
|
607
|
DZW30
|
|
150
|
450
|
1OOO
|
172
|
149
|
37o30'
|
607
|
DZW30
|
|
200
|
550
|
1185
|
223
|
197
|
37o30'
|
755
|
DZW45
|
|
250
|
650
|
1255
|
278
|
245
|
37o30'
|
755
|
DZW60
|
|
300
|
750
|
1445
|
330
|
293
|
37o30'
|
825
|
DZW90l
|
|
350
|
850
|
1715
|
382
|
341
|
37o30'
|
825
|
DZWl20l
|
|
400
|
950
|
1985
|
432
|
386
|
37o30'
|
925
|
DZWl80
|
|
50
|
1O．O
|
250
|
625
|
64
|
49
|
37o30'
|
562
|
DZWlO
|
|
65
|
280
|
693
|
82
|
66
|
37o30'
|
562
|
DZWl5
|
|
80
|
31O
|
712
|
95
|
74
|
37o30'
|
607
|
DZW20l
|
|
1OO
|
350
|
790
|
117
|
97
|
37o30'
|
607
|
DZW30l
|
|
125
|
400
|
855
|
150
|
124
|
37o30'
|
607
|
DZW30
|
|
150
|
450
|
1000
|
172
|
144
|
37o30'
|
755
|
DZW45
|
|
200
|
550
|
1185
|
223
|
189
|
37o30'
|
755
|
DZW60
|
|
250
|
650
|
1255
|
278
|
235
|
37o30'
|
825
|
DZW90l
|
|
300
|
750
|
1445
|
330
|
281
|
37o30'
|
825
|
DZWl20l
|
|
350
|
850
|
1715
|
382
|
333
|
37o30'
|
925
|
DZWl80
|
| 
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