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- 电话：021-51303533
- 传真：021-60890718
荣誉资质 友情链接
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一、产品[国标钢制止回阀]的详细资料：
产品名称：国标钢制止回阀
二、执行标准：
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类型
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设计与制造
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结构长度
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法兰尺寸
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压力温度
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试验-检验
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旋启式止回阀
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GB12236
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GB12221
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GB9113
JB79
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GB9131
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GB/T13927
JB/9092
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升降式止回阀
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GB12235
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三、压力试验：
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公称压力
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1.6
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2.5
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4.0
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6.4
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10.0
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16.0
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强度试验
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2.4
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3.8
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6.0
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9.6
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15.0
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24.0
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水密封试验
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1.8
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2.8
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4.4
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7.0
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11.0
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18.0
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气密封试验
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0.5-0.7
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四、主要零件材料及性能：
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体、盖、板
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阀杆
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密封面
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垫片
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密封面
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工作温度℃
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适用介质
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WCB
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WCB
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1Cr13
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增强柔性石墨
1Cr13/柔性石墨
PTFE
齿轮垫片
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13Cr
STL
本材料
尼龙
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≤425
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水蒸汽油品
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WC6
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WC6
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≤540
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WC9
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WC9
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≤570
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ZGCr5Mo
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ZGCr5Mo
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≤550
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ZG1Cr18Ni9Ti
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ZG1Cr18Ni9Ti
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ZG1Cr18Ni9Ti
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≤200
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硝酸类
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ZG1Cr18Ni12Mo9Ti
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ZG1Cr18Ni12Mo9Ti
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ZG1Cr18Ni12Mo9Ti
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≤200
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醋酸类
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五、国标钢制止回阀规格主要尺寸和重量：
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1.6MPa
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DN
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L
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D
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D1
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D2
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b
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n-Φd
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H
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W(kg)
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凸面法兰
RF
H41H
H41Y
H41W
H41N
16C
16P
16R
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15
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130
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95
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65
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45
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14
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4-14
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58
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2.0
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20
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150
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105
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75
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55
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14
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4-14
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63
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2.7
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25
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160
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115
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85
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65
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14
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4-14
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71
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3.5
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32
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180
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135
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100
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78
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16
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4-18
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84
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5.4
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40
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200
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145
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110
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85
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16
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4-18
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96
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6.5
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50
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230
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160
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125
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100
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16
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4-18
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115
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9.1
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65
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290
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180
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145
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120
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18
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4-18
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145
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14
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80
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310
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195
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160
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135
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20
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8-18
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156
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25
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100
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350
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215
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180
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155
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20
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8-18
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170
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40
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|
125
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400
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245
|
210
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185
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22
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8-18
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201
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56
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150
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480
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280
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240
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210
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24
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8-23
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238
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90
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2.5MPa
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15
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130
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95
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65
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45
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16
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4-14
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60
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4
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凸面法兰
RF
H41H
H41Y
H41W
H41N
25
25P
25R
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20
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150
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105
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75
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55
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16
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4-14
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64
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5
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25
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160
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115
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85
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65
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16
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4-14
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68
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6
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32
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180
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135
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100
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78
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18
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4-18
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79
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9
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40
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200
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145
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110
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85
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18
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4-18
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98
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12
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50
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230
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160
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125
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100
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20
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4-18
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110
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16
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65
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290
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180
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145
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120
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22
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8-18
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160
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24
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80
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310
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195
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160
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135
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22
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8-18
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170
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31
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|
100
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350
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230
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190
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160
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24
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8-23
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195
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45
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|
125
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400
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270
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220
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188
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28
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8-25
|
225
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68
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150
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480
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300
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250
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210
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30
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8-25
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255
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100
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4.0MPa
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DN
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L
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D
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D1
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D2
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b
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n-d
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H
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重量
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凹凸法兰
MFM
H41H
H41Y
H41W
H41N
40
40P
40R
40I
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15
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130
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95
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65
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40
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16
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4-14
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100
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4
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20
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150
|
105
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75
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51
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16
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4-14
|
105
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5
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25
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160
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115
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85
|
58
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16
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4-14
|
120
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6
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|
32
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180
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135
|
100
|
66
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18
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4-18
|
130
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9
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|
40
|
200
|
145
|
110
|
76
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18
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4-18
|
135
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12
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|
50
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230
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160
|
125
|
88
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20
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4-18
|
149
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15
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|
65
|
290
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180
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145
|
110
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22
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8-18
|
164
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18
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|
80
|
310
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195
|
160
|
121
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22
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8-18
|
169
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25
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|
100
|
350
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230
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190
|
150
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24
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8-23
|
194
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35
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|
125
|
400
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270
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220
|
176
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28
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8-25
|
225
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65
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|
150
|
480
|
300
|
250
|
204
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30
|
8-25
|
255
|
100
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| |
15
|
210
|
105
|
75
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40
|
18
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4-14
|
100
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7
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凹凸法兰
MFM
H41H
H41Y
H41W
H41N
64
64P
64R
64I
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20
|
230
|
125
|
90
|
51
|
20
|
4-18
|
110
|
11
|
|
25
|
230
|
135
|
100
|
58
|
22
|
4-18
|
125
|
13
|
|
32
|
260
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150
|
110
|
66
|
24
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4-23
|
152
|
14
|
|
40
|
260
|
165
|
125
|
76
|
24
|
4-23
|
168
|
20
|
|
50
|
300
|
175
|
135
|
88
|
26
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4-23
|
170
|
23
|
|
65
|
340
|
200
|
160
|
110
|
28
|
823
|
188
|
37
|
|
80
|
380
|
210
|
170
|
121
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30
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8-23
|
205
|
46
|
|
100
|
430
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250
|
200
|
150
|
32
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8-25
|
230
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68
|
|
125
|
500
|
295
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240
|
176
|
36
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8-30
|
245
|
93
|
|
150
|
550
|
340
|
280
|
204
|
38
|
8-34
|
265
|
120
|
| |
15
|
210
|
105
|
75
|
40
|
20
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4-14
|
100
|
7
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凹凸法兰
MFM
H41H
H41Y
H41W
H41N
100
100P
100R
100I
|
20
|
230
|
125
|
90
|
51
|
22
|
4-18
|
110
|
11
|
|
25
|
230
|
135
|
100
|
58
|
24
|
4-18
|
125
|
13
|
|
32
|
260
|
150
|
110
|
66
|
24
|
4-23
|
140
|
14
|
|
40
|
260
|
165
|
125
|
76
|
26
|
4-23
|
168
|
25
|
|
50
|
300
|
195
|
145
|
88
|
28
|
4-25
|
170
|
28
|
|
65
|
340
|
200
|
170
|
110
|
32
|
8-25
|
188
|
42
|
|
80
|
380
|
230
|
180
|
121
|
34
|
8-25
|
205
|
65
|
|
100
|
430
|
265
|
210
|
150
|
38
|
8-30
|
230
|
95
|
|
125
|
500
|
310
|
250
|
176
|
42
|
8-34
|
245
|
115
|
|
150
|
550
|
350
|
290
|
204
|
46
|
12-34
|
265
|
142
|
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