波纹管平衡式安全回流阀适用范围、采用标准、材质、特点
适用范围
|
适用介质
|
蒸气系统、天然气、有毒废气净化、真空装置、热油系统、加热设备、 冷冻系统、氨、热水、电站等
|
适用温度
|
-20——350℃
|
采用标准
|
制造标准:DIN3356
|
检验试验标准:DIN3230
|
结构长度标准:DIN3202
|
对焊口标准:DIN3239
|
法兰标准:DIN2543-2545
|
|
材 质
|
|
阀 体
|
阀 盖
|
阀 杆
|
阀 瓣
|
密 封 面
|
填 料
|
WCB
|
WCB
|
WCB
|
13Gr
|
2Gr
|
2Gr
|
柔性石墨
|
304
|
CF8
|
CF8
|
304
|
304
|
304
|
柔性石墨
|
316
|
CF8M
|
CF8M
|
316
|
316
|
316
|
柔性石墨
|
304L
|
CF3
|
CF3
|
316
|
304L
|
304L
|
柔性石墨
|
316L
|
CF3
|
CF3
|
316
|
316L
|
316L
|
柔性石墨
|
特 点
|
波纹管密封阀杆
|
双层、三层波纹管
|
双重密封
|
无升降手轮
|
位置指示
|
维修方便
|
波纹管平衡式安全回流阀外形尺寸各连接尺寸
PN
|
DN
|
L
|
L1
|
D
|
D1
|
D2
|
B
|
f
|
F
|
D6
|
N-ф
|
△H
(STRODE)
|
1.6
|
15
|
130
|
80
|
95
|
65
|
45
|
14
|
2
|
-
|
-
|
4-14
|
13
|
20
|
150
|
90
|
105
|
75
|
55
|
14
|
2
|
-
|
-
|
4-14
|
17
|
25
|
160
|
110
|
115
|
85
|
65
|
14
|
2
|
-
|
-
|
4-14
|
22
|
32
|
180
|
127
|
135
|
100
|
78
|
16
|
2
|
-
|
-
|
4-18
|
29
|
40
|
200
|
156
|
145
|
110
|
85
|
16
|
3
|
-
|
-
|
4-18
|
34
|
50
|
230
|
170
|
160
|
125
|
100
|
16
|
3
|
-
|
-
|
4-18
|
43
|
65
|
290
|
-
|
180
|
145
|
120
|
18
|
3
|
-
|
-
|
4-18
|
50
|
80
|
310
|
-
|
195
|
160
|
135
|
20
|
3
|
-
|
-
|
8-18
|
58
|
100
|
350
|
-
|
215
|
180
|
155
|
20
|
3
|
-
|
-
|
8-18
|
78
|
125
|
400
|
-
|
245
|
210
|
185
|
22
|
3
|
-
|
-
|
8-18
|
105
|
150
|
480
|
-
|
280
|
240
|
210
|
24
|
3
|
-
|
-
|
8-23
|
112
|
200
|
600
|
-
|
335
|
295
|
265
|
26
|
3
|
-
|
-
|
12-23
|
150
|
2.5
|
15
|
130
|
80
|
95
|
65
|
45
|
16
|
2
|
-
|
-
|
4-14
|
13
|
20
|
150
|
90
|
105
|
75
|
55
|
16
|
2
|
-
|
-
|
4-14
|
17
|
25
|
160
|
110
|
115
|
85
|
65
|
16
|
2
|
-
|
-
|
4-14
|
22
|
32
|
180
|
127
|
135
|
100
|
78
|
18
|
2
|
-
|
-
|
4-18
|
29
|
40
|
200
|
156
|
145
|
110
|
85
|
18
|
3
|
-
|
-
|
4-18
|
34
|
50
|
230
|
170
|
160
|
125
|
100
|
20
|
3
|
-
|
-
|
4-18
|
43
|
65
|
290
|
-
|
180
|
145
|
120
|
22
|
3
|
-
|
-
|
8-18
|
50
|
80
|
310
|
-
|
195
|
160
|
135
|
22
|
3
|
-
|
-
|
8-18
|
58
|
100
|
350
|
-
|
230
|
190
|
160
|
24
|
3
|
-
|
-
|
8-23
|
78
|
125
|
400
|
-
|
270
|
220
|
188
|
28
|
3
|
-
|
-
|
8-25
|
105
|
150
|
480
|
-
|
300
|
250
|
218
|
30
|
3
|
-
|
-
|
8-25
|
112
|
200
|
600
|
-
|
360
|
310
|
278
|
34
|
3
|
-
|
-
|
12-25
|
150
|
4.0
|
15
|
130
|
80
|
95
|
65
|
45
|
16
|
2
|
4
|
40
|
4-14
|
13
|
20
|
150
|
90
|
105
|
75
|
55
|
16
|
2
|
4
|
51
|
4-14
|
17
|
25
|
160
|
110
|
115
|
85
|
65
|
16
|
2
|
4
|
58
|
4-14
|
22
|
32
|
180
|
127
|
135
|
100
|
78
|
18
|
2
|
4
|
66
|
4-18
|
29
|
40
|
200
|
156
|
145
|
110
|
85
|
18
|
3
|
4
|
76
|
4-18
|
34
|
50
|
230
|
170
|
160
|
125
|
100
|
20
|
3
|
4
|
88
|
4-18
|
43
|
65
|
290
|
-
|
180
|
145
|
120
|
22
|
3
|
4
|
110
|
8-18
|
50
|
80
|
310
|
-
|
195
|
160
|
135
|
22
|
3
|
4
|
121
|
8-18
|
58
|
100
|
350
|
-
|
230
|
190
|
160
|
24
|
3
|
4.5
|
150
|
8-23
|
78
|
125
|
400
|
-
|
270
|
220
|
188
|
28
|
3
|
4.5
|
176
|
8-25
|
105
|
150
|
480
|
-
|
300
|
250
|
218
|
30
|
3
|
4.5
|
204
|
8-25
|
112
|
|
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