详细介绍: 用途及特点:
该产品严格按 GB12235 标准设计制造,阀瓣沿着中心定位作升降运动,衬套采用耐磨性能好,摩擦系数小的特殊材料制作,动作灵活可靠,密封性能优良。产品广泛应用于石油、化工、制药、电力行业等各种工况的管路上。
主要性能规范:
试验压力
|
公称压力( MPa )
|
1.6
|
2.5
|
4.0
|
6.4
|
10.0
|
壳体试验
|
2.4
|
3.8
|
6.0
|
9.6
|
15.0
|
密封试验
|
1.8
|
2.8
|
4.4
|
7.1
|
11.0
|
阀体材料
|
WCB(C)
|
CF8(P)
|
CF 8M (R)
|
WC6
|
WC9
|
工作温度
|
≤ 425
|
≤ 100
|
≤ 100
|
≤ 550
|
≤ 550
|
适用介质
|
水、蒸汽、油品
|
硝酸类
|
醋酸类
|
水、蒸汽
|
水、蒸汽
|
安装尺寸:
GB 1.6MPa
|
DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
290
|
310
|
350
|
400
|
480
|
600
|
650
|
750
|
H
|
90
|
95
|
100
|
105
|
110
|
115
|
140
|
170
|
200
|
230
|
255
|
285
|
290
|
300
|
Wt
|
14
|
15
|
16
|
17
|
18
|
19
|
24
|
29
|
40
|
58
|
83
|
100
|
105
|
110
|
GB 2.5MPa
|
DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
290
|
310
|
350
|
400
|
480
|
600
|
650
|
750
|
H
|
90
|
95
|
100
|
105
|
110
|
115
|
140
|
170
|
200
|
230
|
260
|
285
|
290
|
300
|
Wt
|
14
|
15
|
16
|
17
|
18
|
19
|
24
|
29
|
40
|
72
|
104
|
145
|
180
|
230
|
GB 4.0MPa
|
DN
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
L
|
180
|
200
|
230
|
290
|
310
|
350
|
400
|
480
|
600
|
650
|
750
|
H
|
120
|
140
|
150
|
160
|
175
|
200
|
225
|
260
|
315
|
320
|
300
|
Wt
|
9
|
12
|
15
|
20
|
33
|
41
|
73
|
104
|
147
|
180
|
230
|
GB 6.4MPa
|
DN
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
L
|
230
|
260
|
300
|
340
|
380
|
430
|
500
|
550
|
600
|
775
|
900
|
H
|
160
|
170
|
170
|
190
|
205
|
230
|
265
|
310
|
350
|
480
|
520
|
Wt
|
12
|
20
|
29
|
35
|
47
|
68
|
100
|
142
|
195
|
250
|
300
|
GB10.0MPa
|
DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
290
|
310
|
350
|
400
|
480
|
600
|
650
|
750
|
H
|
90
|
95
|
100
|
105
|
110
|
115
|
140
|
170
|
200
|
230
|
255
|
285
|
290
|
300
|
Wt
|
14
|
15
|
16
|
17
|
18
|
19
|
24
|
29
|
40
|
58
|
83
|
100
|
105
|
110
|
GB 16.0MPa
|
DN
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
L
|
130
|
150
|
160
|
180
|
200
|
230
|
290
|
310
|
350
|
400
|
480
|
600
|
650
|
750
|
H
|
90
|
95
|
100
|
105
|
110
|
115
|
140
|
170
|
200
|
230
|
260
|
290
|
290
|
300
|
Wt
|
14
|
15
|
16
|
17
|
18
|
19
|
24
|
29
|
40
|
72
|
104
|
180
|
180
|
230
|
铸钢止回阀,旋启式止回阀,升降式止回阀,立式止回阀:http://www.qianmavalve.com/
铸钢止回阀:http://www.qianmavalve.com/dgzhf/
H44旋启式止回阀:http://www.qianmavalve.com/xqs/
H41升降式止回阀:http://www.qianmavalve.com/sjs/
H42立式止回阀:http://www.qianmavalve.com/lszhf/
H71对夹式止回阀:http://www.qianmavalve.com/djs/
|