²»Ðâ¸Öº¸½ÓÕæ¿ÕÕ¢·§Ö÷ÒªÐÔÄܹ淶¡¡Chief property and specification
¡öÊÔÑéѹÁ¦ Test pressure
|
¹«³ÆÍ¨¾¶
DN/mm
Nominal
diameter
|
ÊÔÑéѹÁ¦/MPa Seal test
|
|
¿ÇÌåÇ¿¶ÈÊÔÑé
Sheli strength
|
ÉÏÃÜ·âÊÔÑé
Back seal
|
ÃÜ·âÊÔÑé
Seal test
|
|
2.5
|
3 8
|
2 8
|
2 8
|
|
4 O
|
6 0
|
4 4
|
4 4
|
|
6 4
|
9.6
|
7.0
|
7.0
|
|
10.0
|
15.0
|
11.0
|
110
|
¡öÊÔÑéѹÁ¦ Test pressure
|
²úÆ·ÀàÐÍ Product type
|
ÊÊÓýéÖÊ Applicable medium
|
ÊÊÓÃζÈ/¡æ Applicable temperature
|
|
NKZ61H
NKZ64H
NKZ964H
NKZ961H
|
H-CÐÍ
|
|
Ë®¡¢ÕôÆû¡¢¿ÕÆø
Water,Stram.Air
|
≤425
|
|
NKZ61H
NKZ64H
NKZ964H
NKZ961H
|
Y-IÐÍ
|
|
Ë®¡¢ÕôÆû¡¢¿ÕÆø
Water,Stram.Air
|
≤550
|
¡öÖ÷ÒªÁã¼þ²ÄÁÏ Materials main parts
|
Áã¼þÃû³Æ
Part name
|
·§Ìå¡¢·§¸Ç
Body Bonnet
|
·§¸Ë
Valve stem
|
·§°å
Wedge gate
|
ÃÜ·âÃæ
Sealing face
|
·§¸ËÂÝĸ
Yoke nut
|
ÌîÁÏ
Packing
|
½ô¹Ì¼þ
Fastener
|
|
NKZ61H
NKZ64H
NKZ964H
NKZ961H
|
H-CÐÍ
|
|
WCB
|
2Gr13
|
25
|
H£ººÏ½ð¸Ö
H£ºalloy steel
|
ÂÁÇàÍ
Al
bronze
|
ÅòÕ͸´ºÏʯī
Expanding
compound
graphite
|
ÓÅÖÊ̼¸Ö
High-grade
carbon steel
|
|
NKZ61H
NKZ64H
NKZ964H
NKZ961H
|
Y-IÐÍ
|
|
¸õîâ¸Ö
Cr.Mo steel
|
20Cr1Mo1VA
|
¸õîâ¸Ö
Cr£®Mo steel
|
Y£ºÓ²ÖʺϽð
Y£ºcarbide alloy
|
¸õîâ¸Ö
Cr£®Mo steel
|
²»Ðâ¸Öº¸½ÓÕæ¿ÕÕ¢·§Ö÷Òª³ß´ç¼°ÖØÁ¿ Main dimensions and weight
|
¹«³ÆÍ¨¾¶
DN/mm
Nominal
diameter
|
¹«³ÆÑ¹Á¦
DN/mm
Nominal
pressure
|
Ö÷ÒªÍâÐγߴçºÍÁ¬½Ó³ß´ç/mm
Main external and connecting dimensions
|
µç¶¯×°ÖÃ
Electric
dowice
|
|
L
|
H
|
D
|
Do
|
∝
|
W
|
|
50
|
2.5
|
250
|
618
|
64
|
49
|
37°30’
|
562
|
DZW10
|
|
65
|
270
|
670
|
82
|
66
|
37°30’
|
562
|
DZW10
|
|
80
|
280
|
700
|
95
|
78
|
37°30’
|
562
|
DZW10
|
|
100
|
300
|
785
|
117
|
100
|
37°30’
|
607
|
DZW15
|
|
125
|
325
|
845
|
144
|
125
|
37°30’
|
607
|
DZW20I
|
|
150
|
350
|
990
|
172
|
151
|
37°30’
|
607
|
DZW20I
|
|
200
|
400
|
1080
|
223
|
201
|
37°30’
|
607
|
DZW30
|
|
250
|
450
|
1150
|
278
|
253
|
37°30’
|
607
|
DZW30
|
|
300
|
500
|
1415
|
330
|
303
|
37°30’
|
755
|
DZW45
|
|
350
|
550
|
1665
|
380
|
351
|
37°30’
|
755
|
DZW60
|
|
400
|
600
|
1815
|
432
|
398
|
37°30’
|
825
|
DZW90
|
|
450
|
650
|
1920
|
484
|
450
|
37°30’
|
825
|
DZW120
|
|
500
|
700
|
2080
|
535
|
498
|
37°30’
|
825
|
DZW120
|
|
600
|
800
|
2380
|
638
|
600
|
37°30’
|
925
|
DZW180
|
|
50
|
4 O
|
250
|
618
|
64
|
49
|
37°30’
|
562
|
DZW15
|
|
65
|
270
|
670
|
82
|
66
|
37°30’
|
562
|
DZW15
|
|
80
|
280
|
700
|
95
|
78
|
37°30’
|
607
|
DZW15
|
|
100
|
300
|
785
|
117
|
100
|
37°30’
|
607
|
DZW20I
|
|
125
|
325
|
845
|
144
|
125
|
37°30’
|
607
|
DZW20I
|
|
150
|
350
|
990
|
172
|
151
|
37°30’
|
607
|
DZW30
|
|
200
|
400
|
1080
|
223
|
199
|
37°30’
|
607
|
DZW30
|
|
250
|
450
|
1150
|
278
|
251
|
37°30’
|
755
|
DZW45
|
|
300
|
500
|
1415
|
330
|
301
|
37°30’
|
755
|
DZW60
|
|
350
|
550
|
1685
|
382
|
349
|
37°30’
|
825
|
DZW90I
|
|
400
|
600
|
1815
|
432
|
396
|
37°30’
|
825
|
DZWl20
|
|
50
|
6.4
|
250
|
625
|
64
|
49
|
37°30’
|
562
|
DZWlO
|
|
65
|
280
|
693
|
82
|
66
|
37°30’
|
562
|
DZWl5
|
|
80
|
310
|
712
|
95
|
76
|
37°30’
|
607
|
DZW20I
|
|
100
|
350
|
790
|
117
|
98
|
37°30’
|
607
|
DZW20I
|
|
125
|
400
|
855
|
150
|
128
|
37°30’
|
607
|
DZW30
|
|
150
|
450
|
1000
|
172
|
149
|
37°30’
|
607
|
DZW30
|
|
200
|
550
|
1185
|
223
|
197
|
37°30’
|
755
|
DZW45
|
|
250
|
650
|
1255
|
278
|
245
|
37°30’
|
755
|
DZW60
|
|
300
|
750
|
1445
|
330
|
293
|
37°30’
|
825
|
DZW90I
|
|
350
|
850
|
1715
|
382
|
341
|
37°30’
|
825
|
DZW120I
|
|
400
|
950
|
1985
|
432
|
386
|
37°30’
|
925
|
DZW180
|
|
50
|
10£®O
|
250
|
625
|
64
|
49
|
37°30’
|
562
|
DZW1O
|
|
65
|
280
|
693
|
82
|
66
|
37°30’
|
562
|
DZW15
|
|
80
|
310
|
712
|
95
|
74
|
37°30’
|
607
|
DZW20I
|
|
100
|
350
|
790
|
117
|
97
|
37°30’
|
607
|
DZW30I
|
|
125
|
400
|
855
|
150
|
124
|
37°30’
|
607
|
DZW30
|
|
150
|
450
|
1000
|
172
|
144
|
37°30’
|
755
|
DZW45
|
|
200
|
550
|
1185
|
223
|
189
|
37°30’
|
755
|
DZW60
|
|
250
|
650
|
1255
|
278
|
235
|
37°30’
|
825
|
DZW90I
|
|
300
|
750
|
1445
|
330
|
281
|
37°30’
|
825
|
DZW120I
|
|
350
|
850
|
1715
|
382
|
333
|
37°30’
|
925
|
DZW180
|
|
400
|
950
|
1985
|
432
|
376
|
37°30’
|
925
|
DZW250
|
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