|
|
升降式止回阀 |
| ■主要性能规范
Chief property and specification |
|
试验压力（MPa） Test pressure
|
公称压力PN（MPa） Nominal Pressure
|
|
2.5
|
4.0
|
6.4
|
10.0
|
|
壳体强度试验 Shell strength test
|
3.8
|
6.0
|
9.6
|
15.0
|
|
密封试验（液） Seal test
|
2.8
|
4.4
|
7.0
|
11.0
|
|
密封试验（气） Seal test
|
0.5-0.7
|
|
适用介质 Applicable media
|
C
|
P
|
R
|
I
|
|
水 蒸汽油品 Water、steam,oil goods
|
硝酸类 Nitric acid
|
醋 酸 类 Acetc acid
|
空气、水
|
|
适用温度 Applicable temperatre
|
≤425℃
|
≤200℃
|
-40℃+80℃
|
≤550℃
|
结构长度 Face to face ：GB12221-89
法兰标准 Flange Standard ：JB79 |
| ■主要零件及材料
|
|
产品类型 Product type
|
零件名称 Part name
|
|
阀体 阀盖 Body Bonnet
|
阀瓣 阀座 Disc Sestring
|
垫片 Seat
|
紧固件 Fastener
|
|
H41Y（C）型号
|
WCB或25
|
H:25铬不锈钢
Y:25硬质合金
|
不锈钢-柔性石墨 Stainless steel band
flexible graphite
钢带石棉绕式垫片 Steel-band adbestos wound washer
缠绕垫片 Weapping washer
|
优质碳钢 High-grade carbon steel
|
|
H41Y（I）型号
|
铬钼钢 Cr．Mo steel
|
铬钼钢+硬质合金 Cr．Mo steel + Carbide
alloy
|
合金钢 Alloy steel
|
|
H41Y（P）型号
|
铬镍钛不锈钢 Cr．NI．Ti steel
|
不锈钢 Stainless steel
|
|
H41Y（R）型号
|
|
| ■主要外型和连接尺寸Main
Extemal and Connecting Dimensions |
|
型号
Model number
|
公称通经
Nominaldiameteter
|
主要外形和连接尺寸Main Extemal and Connecting
Dimensions
|
|
L
|
H
|
D
|
D1
|
D2
|
D6
|
b
|
f
|
f
|
z-d
|
|
2.5
|
15
|
130
|
100
|
95
|
65
|
45
|
|
16
|
2
|
|
4-14
|
|
20
|
150
|
105
|
105
|
75
|
55
|
|
16
|
2
|
|
4-14
|
|
25
|
160
|
120
|
115
|
85
|
65
|
|
16
|
2
|
|
4-14
|
|
32
|
180
|
130
|
135
|
100
|
78
|
|
18
|
2
|
|
4-18
|
|
40
|
200
|
135
|
145
|
110
|
85
|
|
18
|
3
|
|
4-18
|
|
50
|
230
|
149
|
160
|
125
|
10
|
|
20
|
3
|
|
4-18
|
|
80
|
310
|
169
|
195
|
160
|
135
|
|
22
|
3
|
|
8-18
|
|
100
|
350
|
194
|
230
|
190
|
160
|
|
24
|
3
|
|
8-23
|
|
150
|
480
|
255
|
300
|
250
|
218
|
|
30
|
3
|
|
8-25
|
|
200
|
600
|
305
|
360
|
310
|
278
|
|
34
|
3
|
|
12-25
|
|
4.0
|
15
|
130
|
100
|
95
|
65
|
45
|
40
|
16
|
2
|
|
4-14
|
|
20
|
150
|
105
|
105
|
75
|
55
|
51
|
16
|
2
|
4
|
4-14
|
|
25
|
160
|
120
|
115
|
85
|
65
|
58
|
16
|
2
|
4
|
4-14
|
|
32
|
180
|
130
|
135
|
100
|
78
|
66
|
18
|
2
|
4
|
4-18
|
|
40
|
200
|
135
|
145
|
110
|
85
|
76
|
18
|
2
|
4
|
4-18
|
|
50
|
230
|
149
|
160
|
125
|
100
|
88
|
20
|
3
|
4
|
4-18
|
|
80
|
310
|
169
|
195
|
160
|
135
|
121
|
22
|
3
|
4
|
8-18
|
|
100
|
350
|
194
|
230
|
190
|
160
|
150
|
24
|
3
|
4.5
|
8-23
|
|
150
|
480
|
255
|
300
|
250
|
218
|
204
|
30
|
3
|
4.5
|
8-25
|
|
200
|
600
|
305
|
375
|
320
|
282
|
260
|
38
|
3
|
4.5
|
12-30
|
|
6.4
|
15
|
210
|
100
|
106
|
75
|
55
|
40
|
18
|
2
|
4
|
4-14
|
|
20
|
230
|
110
|
125
|
90
|
68
|
51
|
20
|
2
|
4
|
4-18
|
|
25
|
230
|
125
|
135
|
100
|
78
|
58
|
22
|
2
|
4
|
4-18
|
|
32
|
360
|
140
|
150
|
110
|
82
|
66
|
24
|
2
|
4
|
4-23
|
|
40
|
260
|
168
|
165
|
125
|
95
|
76
|
24
|
3
|
4
|
4-23
|
|
50
|
300
|
170
|
175
|
135
|
105
|
88
|
26
|
3
|
4
|
4-23
|
|
80
|
380
|
205
|
210
|
170
|
140
|
121
|
30
|
3
|
4
|
8-23
|
|
100
|
430
|
230
|
250
|
200
|
168
|
150
|
32
|
3
|
4.5
|
8-25
|
|
150
|
550
|
265
|
340
|
280
|
240
|
204
|
38
|
3
|
4.5
|
8-34
|
|
200
|
650
|
310
|
405
|
345
|
300
|
260
|
44
|
3
|
4.5
|
12-34
|
|
10.0
|
15
|
210
|
100
|
105
|
75
|
55
|
40
|
20
|
2
|
4
|
4-14
|
|
20
|
230
|
110
|
125
|
90
|
68
|
51
|
22
|
2
|
4
|
4-18
|
|
25
|
230
|
125
|
135
|
100
|
78
|
58
|
24
|
2
|
4
|
4-18
|
|
32
|
260
|
140
|
150
|
110
|
82
|
66
|
247
|
2
|
4
|
4-23
|
|
40
|
260
|
168
|
165
|
125
|
95
|
76
|
26
|
3
|
4
|
4-23
|
|
50
|
300
|
170
|
195
|
145
|
112
|
88
|
28
|
3
|
4
|
4-25
|
|
80
|
380
|
205
|
230
|
180
|
148
|
121
|
34
|
3
|
4
|
8-25
|
|
100
|
430
|
230
|
265
|
210
|
172
|
150
|
38
|
3
|
4.5
|
8-0
|
|
150
|
550
|
265
|
350
|
290
|
250
|
204
|
46
|
3
|
4.5
|
12-34
|
|
200
|
650
|
310
|
430
|
360
|
312
|
260
|
54
|
3
|
4.5
|
12-41
|
|
