結(jié)構(gòu)特點(diǎn):
國(guó)標(biāo)截止閥產(chǎn)品設(shè)計(jì)制造按國(guó)家標(biāo)準(zhǔn)GB12235,結(jié)構(gòu)合理,密封可靠,性能優(yōu)良,造型美觀。閥瓣、閥座密封面用鐵基合金堆焊或司太立(stellite)鈷基硬質(zhì)合金堆焊而成,耐磨、耐高溫、耐腐蝕、抗擦傷性能好、使用壽命長(zhǎng)。閥桿經(jīng)調(diào)質(zhì)及表面氮化處理,有良好的抗腐蝕性和抗擦傷性。
可采用各種配管法蘭標(biāo)準(zhǔn)及法蘭密封面形式,滿足各種工程需要和用戶要求。倒密封采用螺紋連接密封座或本體堆焊奧氏體不銹鋼而成,密封可靠,填料與日俱更換可在不停機(jī)情況下進(jìn)行方便快捷不影響系統(tǒng)運(yùn)行。
標(biāo)準(zhǔn)規(guī)范:
設(shè)計(jì)制造標(biāo)準(zhǔn):GB/T 12235-2007
結(jié)構(gòu)長(zhǎng)度標(biāo)準(zhǔn):GB/T 12221-2005
連接法蘭標(biāo)準(zhǔn):GB/T 9113
壓力溫度等級(jí):GB/T 12224-2005
試驗(yàn)檢驗(yàn)標(biāo)準(zhǔn):GB/T 13927-2008
性能規(guī)范
公稱壓力
PN(MPa) |
試驗(yàn)壓力(MPa)
|
適用溫度(℃)
|
適用
介質(zhì) |
||||
強(qiáng)度試驗(yàn)
|
密封試驗(yàn)
|
WCB
|
Wr5Mo
|
1Cr18Ni12Mo2Ti
|
1C18Ni9Ti
|
||
1.6
|
2.4
|
1.8
|
≤425
|
≤550
|
≤200
|
≤200
|
水、油品、蒸氣、酸性介質(zhì)
|
2.5
|
3.8
|
2.8
|
|||||
4.0
|
6.0
|
4.4
|
|||||
6.4
|
9.6
|
7.1
|
|||||
10.0
|
15
|
11
|
/
|
||||
16.0
|
24
|
17.6
|
閥 體
|
WCB
|
ZG1Cr18Ni12Mo2Ti
|
ZGCr5Mo
|
ZG1Cr18Ni9Ti
|
閥 蓋
|
WCB
|
ZG1Cr18Ni12Mo2Ti
|
ZGCr5Mo
|
ZG1Cr18Ni9Ti
|
支 架
|
WCB
|
ZG1Cr18Ni12Mo2Ti
|
ZGCr5Mo
|
ZG1Cr18Ni9Ti
|
閥 瓣
|
2Cr13
|
316
|
Cr5Mo
|
304
|
閥 桿
|
2Cr13
|
316
|
25Cr2MoV
|
304
|
閥 座
|
25
|
316
|
304
|
304
|
密封環(huán)
|
304、增強(qiáng)柔性石墨
|
|||
填 料
|
增強(qiáng)柔性石墨
|
|||
閥桿螺母
|
ZCuA110Fe3
|
公稱壓力
PN(MPa) |
公稱通徑
DN(mm) |
主要外形尺寸及連接尺寸(mm)
|
重量
(kg) |
|||||||||
L
|
D
|
D1
|
D2
|
D6
|
b-f
|
f2
|
z-φd
|
H
|
Do
|
|||
1.6
|
10
|
130
|
90
|
60
|
40
|
/
|
14-2
|
/
|
4-14
|
198
|
120
|
4.7
|
15
|
130
|
95
|
65
|
45
|
/
|
16-2
|
/
|
4-14
|
218
|
120
|
5.2
|
|
20
|
150
|
105
|
75
|
55
|
/
|
16-2
|
/
|
4-14
|
258
|
140
|
7.1
|
|
25
|
160
|
115
|
85
|
65
|
/
|
16-2
|
/
|
4-14
|
275
|
160
|
7.4
|
|
32
|
180
|
135
|
100
|
78
|
/
|
18-2
|
/
|
4-18
|
280
|
180
|
8.5
|
|
40
|
200
|
145
|
110
|
85
|
/
|
18-3
|
/
|
4-18
|
330
|
200
|
12.5
|
|
50
|
230
|
160
|
125
|
100
|
/
|
18-3
|
/
|
4-18
|
350
|
240
|
14
|
|
65
|
290
|
180
|
145
|
120
|
/
|
18-3
|
/
|
4-18
|
400
|
280
|
22.58
|
|
80
|
340
|
195
|
160
|
135
|
/
|
20-3
|
/
|
8-18
|
355
|
280
|
29
|
|
100
|
350
|
215
|
180
|
155
|
/
|
22-3
|
/
|
8-18
|
415
|
320
|
32.5
|
|
125
|
400
|
245
|
210
|
185
|
/
|
24-3
|
/
|
8-18
|
460
|
360
|
80
|
|
150
|
480
|
280
|
240
|
210
|
/
|
24-3
|
/
|
8-23
|
510
|
400
|
93.5
|
|
200
|
600
|
335
|
295
|
265
|
/
|
26-3
|
/
|
12-23
|
710
|
400
|
180
|
|
250
|
650
|
405
|
355
|
320
|
/
|
30-3
|
/
|
12-25
|
786
|
450
|
440
|
|
300
|
750
|
460
|
410
|
375
|
/
|
30-4
|
/
|
12-25
|
925
|
500
|
648
|
|
2.5
|
10
|
130
|
90
|
60
|
40
|
/
|
16-2
|
/
|
4-14
|
198
|
120
|
4.9
|
15
|
130
|
95
|
65
|
45
|
/
|
16-2
|
/
|
4-14
|
218
|
120
|
5.4
|
|
20
|
150
|
105
|
75
|
55
|
/
|
16-2
|
/
|
4-14
|
258
|
140
|
7
|
|
25
|
160
|
115
|
85
|
65
|
/
|
16-2
|
/
|
4-14
|
275
|
160
|
7.4
|
|
32
|
180
|
135
|
100
|
78
|
/
|
18-2
|
/
|
4-18
|
280
|
180
|
8.5
|
|
40
|
200
|
145
|
110
|
85
|
/
|
18-3
|
/
|
4-18
|
330
|
200
|
12.5
|
|
50
|
230
|
160
|
125
|
100
|
/
|
20-3
|
/
|
4-18
|
350
|
240
|
16
|
|
65
|
290
|
180
|
145
|
125
|
/
|
22-3
|
/
|
8-18
|
400
|
280
|
25
|
|
80
|
310
|
195
|
160
|
145
|
/
|
22-3
|
/
|
8-18
|
355
|
280
|
30
|
|
100
|
350
|
230
|
190
|
160
|
/
|
24-3
|
/
|
8-23
|
415
|
320
|
34.5
|
|
125
|
400
|
270
|
220
|
188
|
/
|
28-3
|
/
|
8-25
|
460
|
360
|
89
|
|
150
|
480
|
300
|
250
|
218
|
/
|
30-3
|
/
|
8-25
|
510
|
400
|
98
|
|
200
|
600
|
360
|
310
|
278
|
/
|
34-3
|
/
|
12-25
|
710
|
400
|
180
|
|
250
|
650
|
425
|
370
|
332
|
/
|
36-3
|
/
|
12-30
|
786
|
450
|
446
|
|
300
|
750
|
485
|
430
|
390
|
/
|
40-4
|
/
|
12-30
|
925
|
500
|
654
|
|
4.0
|
10
|
130
|
90
|
60
|
40
|
34
|
16-2
|
4
|
4-14
|
198
|
120
|
4.9
|
15
|
130
|
95
|
65
|
45
|
40
|
16-2
|
4
|
4-14
|
233
|
120
|
5.7
|
|
20
|
150
|
105
|
75
|
55
|
51
|
16-2
|
4
|
4-14
|
275
|
140
|
7
|
|
25
|
160
|
115
|
85
|
65
|
58
|
16-2
|
4
|
4-14
|
285
|
160
|
8.8
|
|
32
|
180
|
135
|
100
|
78
|
66
|
18-2
|
4
|
4-18
|
302
|
180
|
11.8
|
|
40
|
200
|
145
|
110
|
85
|
76
|
18-3
|
4
|
4-18
|
355
|
200
|
16.5
|
|
50
|
230
|
160
|
125
|
100
|
88
|
20-3
|
4
|
4-18
|
373
|
240
|
24
|
|
65
|
290
|
180
|
145
|
125
|
110
|
22-3
|
4
|
8-18
|
408
|
280
|
33
|
|
80
|
310
|
195
|
160
|
145
|
121
|
22-32
|
4
|
8-18
|
436
|
320
|
44
|
|
100
|
350
|
230
|
190
|
160
|
150
|
24-3
|
4.5
|
8-23
|
480
|
360
|
60
|
|
125
|
400
|
270
|
220
|
188
|
176
|
28-3
|
4.5
|
8-25
|
558
|
400
|
89
|
|
150
|
480
|
300
|
250
|
218
|
204
|
30-3
|
4.5
|
8-25
|
611
|
400
|
98
|
|
200
|
600
|
375
|
320
|
282
|
260
|
38-3
|
4.5
|
12-30
|
720
|
400
|
190
|