对夹式硬密封蝶阀主要性能参数
公称通径
|
DNmm
|
50～1 400
|
公称压力
|
PNMPa
|
0.25
|
0.6
|
1．O
|
1.6
|
2.5
|
4.0
|
试验压力 PsMPa
|
强度试验
|
0.375
|
0.9
|
1.5
|
2.4
|
3.75
|
6．O
|
密封试验
|
0.275
|
0.66
|
1.1
|
1.76
|
2.75
|
4.4
|
气密封试验
|
O.5～0.7MPa
|
适用介质
|
水、油品、蒸汽、煤气、酸、碱等
|
适用温度
|
一 40℃～5 70℃
|
对夹式硬密封蝶阀主要零部件材料
名称
|
材料
|
阀体
|
碳钢、不锈钢、铬钼钒钢
|
阀板
|
碳钢、不锈钢、铬钼钒钢
|
阀杆
|
2Cr13不锈钢、铬钼钒钢
|
密封圈
|
不锈钢、聚四氟乙烯、硬软叠层式金属片
|
阀座
|
不锈钢、堆司太立等硬质合金
|
填料
|
柔性：石墨、聚四氟乙烯
|
D373HF～D673HF、D973HF对夹式硬密封蝶阀连接尺寸
通径 Diameter
|
主要尺寸 Main dimension
|
O．25MPa
|
0.6MPa
|
1．OMPa
|
mm
|
inch
|
L
|
H
|
H1
|
D1
|
Z-φMd
|
a
|
D 1
|
Z-φMd
|
a
|
D1
|
Z-φMd
|
a
|
50
|
2
|
43
|
72
|
200
|
110
|
4-φ14
|
45°
|
110
|
4-φ14
|
45°
|
125
|
4-φ18
|
45°
|
65
|
2 1/2
|
46
|
110
|
225
|
130
|
4-φ14
|
45°
|
130
|
4-φ14
|
45°
|
145
|
4-φ18
|
45°
|
80
|
3
|
49
|
15
|
240
|
150
|
4-φ18
|
45°
|
150
|
4-φ18
|
45°
|
160
|
4-φ18
|
22°30?
|
100
|
4
|
56
|
10
|
255
|
170
|
4-φ18
|
45°
|
170
|
4-φ18
|
45°
|
180
|
4-φ18
|
22°30?
|
125
|
5
|
64
|
10
|
305
|
200
|
4-φ18
|
22°30?
|
200
|
4-φ18
|
22°30?
|
210
|
4-φ18
|
22°30?
|
150
|
6
|
70
|
15
|
325
|
225
|
4-φ18
|
22°30?
|
225
|
4-φ18
|
22°30?
|
240
|
4-φ22
|
22°30?
|
200
|
8
|
71
|
210
|
380
|
280
|
4-φ18
|
22°30?
|
280
|
4-φ18
|
22°30?
|
295
|
4-φ22
|
22°30?
|
250
|
10
|
76
|
245
|
410
|
335
|
4-φ18
|
1°
|
335
|
4-φ18
|
15°
|
350
|
4-φ22
|
15°
|
300
|
12
|
83
|
280
|
460
|
395
|
4-φ22
|
1°
|
395
|
4-φ22
|
15°
|
400
|
4-φ22
|
15°
|
350
|
14
|
92
|
315
|
525
|
445
|
4-φ22
|
1°
|
445
|
4-φ22
|
15°
|
460
|
4-φ22
|
11°15?
|
400
|
16
|
102
|
345
|
545
|
495
|
4-φ22
|
11°5?
|
495
|
4-φ22
|
11°15?
|
515
|
4-φ26
|
11°15?
|
450
|
18
|
114
|
380
|
630
|
550
|
4-φ22
|
11°5?
|
550
|
4-φ22
|
11°15?
|
565
|
4-φ26
|
9°15?
|
500
|
20
|
127
|
415
|
650
|
600
|
4-φ22
|
9°
|
600
|
4-φ22
|
9°
|
620
|
4-φ26
|
9°
|
600
|
24
|
154
|
460
|
680
|
705
|
4-φ26
|
9°
|
705
|
4-φ26
|
9°
|
725
|
4-φ30
|
9°
|
700
|
28
|
165
|
488
|
780
|
81O
|
4-φ26
|
7°3?
|
810
|
4-φ26
|
7°3?
|
840
|
4-M27
|
7°30?
|
800
|
32
|
190
|
572
|
860
|
920
|
4-φ30
|
7°3?
|
920
|
4-φ30
|
7°3?
|
950
|
4-M30
|
7°30?
|
900
|
36
|
203
|
628
|
900
|
1020
|
4-φ30
|
7°3?
|
1 020
|
4-φ30
|
7°3?
|
1050
|
4-M30
|
6°26?
|
1000
|
40
|
216
|
698
|
1000
|
1120
|
4-φ30
|
6°26?
|
1120
|
4-φ30
|
6°26?
|
1160
|
4-M33
|
6°26?
|
1200
|
48
|
254
|
810
|
1100
|
1320
|
4-φ30
|
5°36?
|
1340
|
4-φ33
|
5°36?
|
1380
|
4-M36
|
5°38?
|
1400
|
56
|
279
|
940
|
1200
|
1520
|
4-φ30
|
5°
|
1560
|
4-φ36
|
5°
|
1590
|
4-M39
|
5
|
|
