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上海工良工业阀门厂法兰低温球阀分为低温浮动球和低温固定球两类,用于截断或接通管路中的低温介质,介质最低温度不得低于-196度。
执行标准 Administer Standard
|
设计与制造
Design and Manufacture |
结构长度
Face To Face |
法兰尺寸
Flange Dimension |
压力-温度
Pressure Temperature Lating |
试验-检验
Inspection And Test |
|
GB122237
|
GB12221
|
GB9113 JB79
|
GB9131
|
GB/T13927 JB/T9092
|
压力试验 Pressure Test
|
公称压力NominalPressure
|
1.6
|
2.5
|
4.0
|
|
强度试验
Shell Test |
2.4
|
3.8
|
6.0
|
|
水密封试验
Water Seal Test |
1.8
|
2.8
|
4.4
|
|
气密封试验
Air Seal Test |
0.4-0.7
|
||
主要零件材料及性能 Main Part Materials and Property
|
阀体
Body |
WCB
|
ZG1Cr18Ni9Ti
|
CF8
|
CF3
|
ZG1Cr18Ni12Mo2Ti
|
CF8M
|
CF3M
|
|
球体 阀杆
Ball Stem |
2Cr13
|
1Cr18Ni9Ti
|
304
|
304L
|
1Cr18Ni12Mo2Ti
|
316
|
316L
|
|
阀 座
Seat |
聚四氟乙烯PTFE 加坡纤增强聚四氟乙烯PTFE+Glass 对位聚笨PPL
|
||||||
|
垫片
Shim |
聚四氟乙烯PTFE 不锈钢/柔性石墨Stainless Steel/flexible Graphite 齿形垫片Tooth Profile Gasket
|
||||||
|
阀杆座
Stem Seat |
聚四氟乙烯PTFE 不锈钢/柔性石墨 Stainless Steel/Flexible Graphite
|
||||||
|
填料
Packing |
聚四氟乙烯PTFE 增强柔性石墨 Enhanced Flexible Graphite
|
||||||
|
填料压盖
Gland |
WCB
|
1Cr18Ni9Ti
|
304
|
304L
|
1Cr18Ni12Mo2Ti
|
316
|
316L
|
|
温度
Temperature |
-40～150
|
||||||
|
介质
Medium |
水 蒸汽 油品
Water steam Oil goods |
硝酸类 Nitric Acid
|
强氧化介质
strongey oxidable medium |
醋酸类 Acetic Acid
|
尿素类 Urea
|
||
规格 主要尺寸 Size Main Dimensions
|
1.6MPa
|
DN
|
L
|
D
|
D1
|
D2
|
b
|
n-φd
|
H
|
D0
|
|
凸面法兰
RF DQ41
16C
16P
16R
|
15
|
130
|
95
|
65
|
45
|
14
|
4-14
|
78
|
140
|
|
20
|
140
|
105
|
75
|
55
|
14
|
4-14
|
84
|
160
|
|
|
25
|
150
|
115
|
85
|
65
|
14
|
4-14
|
95
|
180
|
|
|
32
|
165
|
135
|
100
|
78
|
16
|
4-18
|
150
|
250
|
|
|
40
|
180
|
145
|
110
|
85
|
16
|
4-18
|
150
|
300
|
|
|
50
|
200
|
160
|
125
|
100
|
18
|
4-18
|
170
|
350
|
|
|
65
|
220
|
180
|
145
|
120
|
20
|
4-18
|
195
|
350
|
|
|
80
|
250
|
195
|
160
|
135
|
20
|
8-18
|
215
|
400
|
|
|
100
|
280
|
215
|
180
|
155
|
20
|
8-18
|
250
|
500
|
|
|
125
|
320
|
245
|
210
|
185
|
22
|
8-18
|
265
|
600
|
|
|
150
|
360
|
280
|
240
|
210
|
24
|
8-23
|
270
|
800
|
|
|
200
|
400
|
335
|
295
|
265
|
26
|
12-23
|
330
|
1200
|
|
|
2.5MPa
|
15
|
130
|
95
|
65
|
45
|
16
|
4-14
|
103
|
140
|
|
凸面法兰
RF
DQ41
25
25P
25R
|
20
|
140
|
105
|
75
|
55
|
16
|
4-14
|
112
|
160
|
|
25
|
150
|
115
|
85
|
65
|
16
|
4-14
|
123
|
180
|
|
|
32
|
165
|
135
|
100
|
78
|
18
|
4-18
|
150
|
250
|
|
|
40
|
180
|
145
|
110
|
85
|
18
|
4-18
|
156
|
300
|
|
|
50
|
200
|
160
|
125
|
100
|
20
|
8-18
|
172
|
350
|
|
|
65
|
220
|
180
|
145
|
120
|
22
|
8-18
|
197
|
350
|
|
|
80
|
250
|
195
|
160
|
135
|
22
|
8-23
|
222
|
400
|
|
|
100
|
280
|
230
|
190
|
160
|
24
|
8-23
|
253
|
500
|
|
|
125
|
320
|
270
|
220
|
188
|
28
|
8-25
|
275
|
600
|
|
|
150
|
360
|
300
|
250
|
218
|
30
|
8-25
|
286
|
800
|
|
|
200
|
400
|
360
|
310
|
278
|
34
|
12-25
|
340
|
1200
|
