截止閥的啟閉件是塞形的閥瓣，密封面呈平面或錐面，閥瓣沿流體的中心線作直線運(yùn)動(dòng)。閥桿的運(yùn)動(dòng)形式，有升降桿式（閥桿升降，手輪不升降），也有升降旋轉(zhuǎn)桿式（手輪與閥桿一起旋轉(zhuǎn)升降，螺母設(shè)在閥體上）。截止閥只適用于全開和全關(guān)，不允許作調(diào)節(jié)和節(jié)流。
執(zhí)行標(biāo)準(zhǔn) Administer Standard
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設(shè)計(jì)與制造 Design and Manufacture
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結(jié)構(gòu)長(zhǎng)度
Face To Face
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法蘭尺寸
Flange Dimension
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壓力-溫度 Pressure Temperature Lating
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試驗(yàn)-檢驗(yàn) Inspection And Test
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GB122235
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GB12221
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GB9113 JB79
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GB9131
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GB/T13927 JB/T9092
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壓力試驗(yàn) Pressure Test
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公稱壓力NominalPressure
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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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強(qiáng)度試驗(yàn) Shell Test
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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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水密封試驗(yàn) Water Seal Test
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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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上密封試驗(yàn)Backseat Test
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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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氣密封試驗(yàn) Air Seal Test
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0.5-0.7
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主要零件材料及性能 Main Part Materials and Property
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體、蓋、板 Body Cover Disc
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閥桿
Stem
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密封面 Sealing Face
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墊片
Sealing Shim
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填料
Packing
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工作溫度℃ Working Temperature
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適用介質(zhì)Suitable Medium
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WCB
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2Cr13
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13Cr
STL
木體材料
With Body
Material
尼龍
Nylon
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增強(qiáng)柔性石墨
Enhanced Flexible Graphite
13Cr/柔性石墨
1Cr13/Flexible Graphite
08軟鋼
08 Soft Steal
0Cr18Ni9Ti
0Cr17Ni12Mo2Ti
XD550F(T)
PTFE
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柔性石墨
增強(qiáng)柔性石墨
Flexible Graphite
Enhanced Flexible Graphite
SFB/260
SFP/260
PTFE
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≤425
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水
蒸汽
油品
Water
Steam
Petroleum
Ptoducts
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WC1
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38CrMoAl
25Cr2MoV
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≤450
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WC6
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≤540
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WC9
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≤570
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C5 C12
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≤540
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ZGCr5Mo
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≤200
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硝酸類Nitric acid
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ZG1Cr18Ni9Ti
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1Cr18Ni9Ti
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≤200
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醋酸類Acetic acid
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ZG1Cr18Ni12Mo2Ti
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1Cr18Ni12Mo2Ti
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規(guī)格 主要尺寸和重量 Size Main Dimensions and Weight (mm kg)
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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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Do
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重量 Weight
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凸面
法蘭
RF
J41H
J41Y
J41W
J41F
J41N
16C
16P
16R
16I
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10
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130
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90
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60
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40
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14
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4-14
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198
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120
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4.9
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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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218
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120
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5.3
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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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258
|
140
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7.0
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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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275
|
160
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7.4
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|
32
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180
|
135
|
100
|
78
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16
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4-18
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280
|
180
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8.3
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|
40
|
200
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145
|
110
|
85
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16
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4-18
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330
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200
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12.6
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50
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230
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160
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125
|
100
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16
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4-18
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350
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240
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14
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65
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290
|
180
|
145
|
120
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18
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4-18
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400
|
280
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22.7
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|
80
|
310
|
195
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160
|
135
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20
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8-18
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355
|
280
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29
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|
100
|
350
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215
|
180
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155
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20
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8-18
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415
|
320
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32.8
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125
|
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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460
|
360
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79.5
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|
150
|
480
|
280
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240
|
210
|
24
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8-23
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510
|
400
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93
|
|
200
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600
|
335
|
295
|
265
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26
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12-23
|
710
|
400
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179
|
|
250
|
622
|
405
|
355
|
320
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30
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12-25
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786
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450
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441
|
|
300
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698
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460
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410
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375
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30
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12-25
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925
|
500
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646
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