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焊接式閘閥廣泛適用于石油化工，火力發(fā)電廠等油品、水蒸氣管路上作接通或截斷管路中介質(zhì)的啟閉裝置。
焊接式閘閥產(chǎn)品特點
1、結(jié)構(gòu)緊湊、設計合理、閥門剛性好、通道流暢，流量系數(shù)小
2、密封面采用不銹鋼和硬質(zhì)合金，使用壽命長
3、采用柔性石墨填料、密封可靠，操作輕便靈活
4、驅(qū)動方式為手動、氣動、電動、齒輪傳動
5、結(jié)構(gòu)形式為彈性楔式單閘板、剛性楔式單閘板雙閘板型式
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● 制造與驗收技術條件按日本火力發(fā)電用閥門標準E101和JB/T3595-93的規(guī)定；
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● 結(jié)構(gòu)長度按E101的規(guī)定或按用戶提供尺寸
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● 焊接坡口接電力工業(yè)管理標準78DG的規(guī)定或按用戶提供尺寸。
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● The manufalture and aueptanle specigication shan be based on the japanese standard E101 applied for the thermal powerand JB/T3595-93
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● The length shall bein line with E101 or by user’s speeification.
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● Welding groove shan be in auordanle with power industrh spe-cification 78DG or hg user’ specification
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● The size in inclose is old production’s size
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焊接式閘閥性能規(guī)范Property and specifiecation
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產(chǎn)品型號 Product type公稱壓力PN(MPa)Nominal pressure
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試驗壓力(MPa)Test pressure
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工作壓力(MPa)Wong pressure
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工作溫度(℃)Wong temperature
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適用介質(zhì)Appicable medium
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強度試驗Sheel test
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密封試驗/上密封實驗Seal test
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Z960Y-250
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25
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37.5
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27.5
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-
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≤425
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水、蒸汽、Water,steam
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Z960Y-320
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32
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48.0
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36.0
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-
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≤425
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Z960Y-P54100
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-
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30.0
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22.0
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P5410
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≤540
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蒸汽 Steam
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Z960Y-P54170
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-
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48.0
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36.0
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P5417
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≤540
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主要零件材料Matecrial for main parts
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零件名稱Part name
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材料牌號Material designation
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閥體Body
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WCB
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WC6
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WC9
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閥板Disc
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WCB
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WC6
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WC9
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閥蓋Bonnet
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25
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12Cr1Mo1VA
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閥桿Stem
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1Cr17Ni2
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20Cr1Mo1VA
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閥座Seat
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25
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12Cr1Mo1VA
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密封環(huán)Sealing ring
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S軟鋼(增強柔性石墨)S soft steel (flexible graphite)
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S軟鋼S soft steel
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F軟鋼F Soft steel
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填料Packing
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增強柔性石墨Fexible graphite
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支架Yoke
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WCB
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WCB或WC6
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閥桿螺母Stem nut
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45(ZCuZn2高等16Fe3Mn3)
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四開環(huán)Four piece ring
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1Cr13
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20Cr1MoVA
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焊接式閘閥主要尺寸及重量Main dimensions and weight
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公稱通徑DNNominal diameter
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主要外形尺寸和連接尺寸(mm)Main external and connecting dimensions
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電動裝置Electric dewice
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重量(kg)Weight
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d
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L
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H
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L1
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L2
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Z60Y-250、Z61Y-250、Z62Y-250
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100
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84
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406
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1164
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437
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277
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DZW45
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234
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125
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100
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483
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1402
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437
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277
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DZW60
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343
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175
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158
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711
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1650
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554
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309
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DZW180
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638
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225
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200
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864
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1650
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554
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309
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DZW180
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654
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300
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280
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1067
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2106
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764
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398
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DZW350
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1973
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Z60Y-320、Z61Y-320、Z62Y-320
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100
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96
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533
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1236
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437
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277
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DZW60
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291
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125
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118
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610
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1302
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437
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277
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DZW60
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315
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150
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148
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762
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1403
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526
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283
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DZW90
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672
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175
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148
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762
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1650
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554
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309
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DZW180
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684
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225
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222
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1041
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1650
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554
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309
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DZW180
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696
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Z60Y-P54100V、Z61Y-P54100V、Z62Y-P54100V
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175
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148
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762
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1650
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554
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309
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DZW180
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683
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225
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222
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1041
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1650
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554
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309
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DZW180
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704
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250
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222
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1041
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1795
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554
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309
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DZW180
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1214
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300
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294
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1245
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2080
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554
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309
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DZW250
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2125
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Z60Y-P54170V、Z61Y-P54170V、Z62Y-P54170V
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125
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98
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630
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1230
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437
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277
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DZW60
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312
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225
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186
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1060
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1680
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554
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309
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DZW180
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1401
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300
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278
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1397
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2265
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764
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DZW500
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2834
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325
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310
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1448
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2265
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690
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398
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DZW500
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2632
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350
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338
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1550
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2536
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715
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DZWC-4
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5591
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