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      技術文章首頁 > 技術文章 > 國標法蘭截止閥
      國標法蘭截止閥
      點擊次數:3594      更新時間:2015-08-12

                                     國標法蘭截止閥

                                   上海申弘閥門有限公司

      序號貨物名稱數量
      1球閥|Q341Y4-900C2RF-900ASTM A216 WCB-DN803
      2截止閥|J41Y-150LBF321-DN1512
      3球閥|Q341Y4-150C1RF-150A105-DN2508
      4截止閥|J41Y-150LBF321-DN2012
      5截止閥|J41Y-150LBF321-DN2512
      6截止閥|J41Y-150LBCF8-DN5012
      7截止閥|J41Y4-150C2RF-150LBASTM A216 WCB-DN5020
      8球閥|Q341Y4-150C2RF150ASTM A216 WCB-DN2504
      9截止閥||J61Y-320 DN32|||20
      10截止閥|J61Y-320PN32鑄鋼-DN5020
      11截止閥||J61Y-200 DN50|||20
      12截止閥||J61Y-250-25|||20
      13不銹鋼截止閥||J41H-25P-40||4
      14截止閥|J61Y-32032Mpa鑄鋼-DN40-GB12224-200510
      15截止閥| DN20|J41H-16C|鑄鋼|10
      16截止閥||J61H-25C-50|||5
      17截止閥||J41H-40-80|||5
      18截止閥|DN50|J41H-25C|鑄鋼|5
      19截止閥|DN25|J41H-25C|鑄鋼|5
      20截止閥||J41H-16C-40|||20
      21蝶閥|DN300 L=83mm|D373H-10C||1
      22焊接截止閥|J23H-160C DN15||||10
      23截止閥|DN40|J41T-1.6|||10
      24截止閥|DN50|J41H-25C|鑄鋼|20
      25截止閥||J41H-25-32|||10
      26截止閥||DN65 J41H-16|||10
      27截止閥|J41H-40C40DN2520
      28球閥|Q41YRF硬密封-150WCB 304+STL-304+STL-DN5010
      29球閥|Q41Y4-900LB;900A105-DN2510
      30截止閥||J65Y-320-20|||10
      31球閥|Q41Y-RF600閥體A105 內件304+STL-304+STL-DN2010
      32球閥|Q47F-10WBC-DN1510
      33對夾蝶閥|D371X-150C2 200150WCB-DN2002
      34蝶閥|D341X-150LBC-DN3503
      35蝶閥|D341X-150LBC-DN2502
      36截止閥|J41H-150C1150WCB-DN1001
      37閘閥|Z41H-PN50DN20 WCB180
      38閘閥|Z40H-150C2RF150DN1001
      39閘閥|Z40R-150LBC-DN100 316L 耐酸堿1
      40閘閥|Z40R-150LBC-DN80 316L 耐酸堿1
      41閘閥|Z40R-150LBC-DN50 316L 耐酸堿2
      42止回閥|H76W-10WCB-DN3003
      43球閥|Q347Y4-900C2RF-900ASTM A216 WCB-DN3006
      44截止閥|J41R-150LBC-DN100-316L 耐酸堿1
      45截止閥|J41R-150LBC-DN65-316L 耐酸堿1
      46截止閥|J6F22I 600LB RF 閥體鉻鉬鋼,閥桿A182-316H STL/STL 3" ANSIB16.34/耐高溫500℃1
      47閘閥|Z41Y300LBWCB-DN150 GB122244
      48閘閥|Z41Y150LBWCB-DN150 GB122244
      49閘閥|Z41Y300LBWCB-DN100 GB122244
      50閘閥|Z41Y150LBWCB-DN100 GB122244
      51閘閥|Z41H- 150LB WCB 10"1
      52閘閥|Z41H-16CPN16DN802
      53截止閥|J6F22I 600LB RF 閥體鉻鉬鋼 閥桿A182-F316H STL/STL 4" ANSI B16.34/耐高溫500℃1
      54旋塞閥|X43FPN2.0WCB-DN20-GB122245
      55旋塞閥|X43F4PN5.0WCB-DN20-GB122245
      56旋塞閥|X43FPN2.0WCB-DN25-GB122245
      57旋塞閥|X43F4PN5.0WCB-DN25-GB122245
      58旋塞閥|X43FPN2.0WCB-DN40-GB122245
      59旋塞閥|X43FPN5.0WCB-DN40-GB122245
      60旋塞閥|X43FPN2.0WCB-DN50-GB122245
      61旋塞閥|X43FPN5.0WCB-DN50-GB122245
      62旋塞閥|X43FPN2.0WCB-DN80-GB122245
      63旋塞閥|X43FPN5.0WCB-DN80-GB122245
      64旋塞閥|X43FPN2.0WCB-DN100-GB122245
      65旋塞閥|X43FPN5.0WCB-DN100-GB122245
      66旋塞閥|X43FPN2.0WCB-DN150-GB122245
      67旋塞閥|X43FPN5.0WCB-DN150-GB122245
      68閘閥|RF 150LB Z40H-150LBC150LBDN80 材質WCB10
      69閘閥|Z6F22C 600LB 3"10
      70閘閥|Z3F22P 300LB 4"10
      71閘閥|Z6F22C 600LB 4"10
      72閘閥|Z1F22C 150LB RF A105 3"10
      73閘閥|Z40Y150WCB-DN10010
      74閘閥|Z41Y150LBCF8C-DN15010
      75閘閥|Z41Y300LBWCB-DN150 GB1222410
      76閘閥|Z41H-150LBC150LBDN5010
      77閘閥|Z1S22C 150LB SW WCB 2" ASME B16.3410
      78閘閥|Z1S22C 150LB SW WCB 11/2" ASME B16.3410
      79閘閥|150LB Z41H-150LbCRF150DN2510
      80閘閥|Z3F22C 300LB WCB 3" ASME B16.3410
      81閘閥|Z1F22C 150LB RF A105 3"10
      82閘閥|Z6F22C 600LB RF A105 11/2"10
      83閘閥|RF 300LB Z40Y-300LBC300LBDN50 材質WCB10
      84閘閥|Z40HRF300DN2510
      85高壓閘閥|Z6F22C RF 600LB 1"10
      86閘閥|Z3F22H 300LB 閥體A182 F11 CL2閥桿A182 F316H閥芯STL 1-1/2" API60210
      87閘閥|Z1B22C 150LB BW WCB 2" ASME B16.3410
      88閘閥|Z3F22H 300LB 閥體A217 WC6閥桿A182 F316H閥芯STL 8" API6002
      89閘閥|Z3F22H Bevel Gear BB,OS;Y 300LB 閥體A217 WC6閥桿A182 F316H閥芯STL 16" API6001
      90蝶閥|D371F-150LBQ-DN300-GB122384
      91球閥|Q347Y4RF-900A105-DN1008
      92球閥|Q341Y5-150LBRF-150ASTM A216 WCB-DN2504
      93球閥|Q341Y5RF-150閥體WCB、球體316+Ni62、密封圈316+Ni55  API598-DN2504
      94球閥|Q341Y5RF-150閥體WCB、球體316+Ni62、密封圈316+Ni55  API598-DN3004
      95球閥|Q347Y4-900C2RF-900ASTM A216 WCB-DN3001
      96球閥|Q347Y4-900C2RF-900ASTM A216 WCB-DN3501
      97球閥|Q347Y4-900LBRF-900A105-DN1504
      98球閥|Q347Y5-900LBRF-900A105-DN2002
      99球閥|Q347Y5-900LBRF-900A105-DN2502
      100球閥|Q341Y4-150LBRF-150ASTM A216 WCB-DN1508
      101球閥|Q347Y4-900C2RF900ASTM A216 WCB-DN1502
      102球閥|Q347Y4-900C2RF900ASTM A216 WCB-DN2501
      103球閥|Q347W2-900P2JRJ-900ASTM A351 CF8-DN2002
      104止回閥|H41Y2RF-300LBA105-DN1514
      105升降式止回閥|H61Y-1500C1 /BW-1500LBASTM A105-DN1536
      106止回閥|H41H150LBA105 G48-DN256
      107升降式止回閥|H41H-900C1JRJ-900LBASTM A105-DN256
      108止回閥|H44Y4RF-900LBASTM A216 WCB-DN505
      109止回閥|H44Y2RF-150LBASTM A216 WCB-DN801
      110

      111球閥|Q341Y4RF-150ASTM A216 WCB-DN15010
      112高壓截止閥|H44Y40DN1506
      113止回閥|H44Y2RF-150LBASTM A216 WCB-DN2001
      114止回閥|H44Y4RF-300LBASTM A216 WCB-DN1501
      115旋啟式止回閥|H44Y1RF-900LBA217 WC6-DN2501
      116旋啟式止回閥|H44HRF-150LBASTM A216 WCB-DN506
      117旋啟式止回閥|H44Y4-150C2 150LB RF ASTM A216 WCB 300"2
      118旋啟式止回閥|H44Y4RF-900LBASTM A216 WCB-DN806
      119旋啟式止回閥|H44W1-900P2JRJ-900LBCF8-DN2001
      120旋啟式止回閥|H44Y4-900C2 900LB RF ASTM A216 WCB 150"6
      121旋啟式止回閥|H44HRF-300LBASTM A216 WCB-DN2001
      122球閥|Q41Y4-150C2 25 RF150ASTM A216 WCB-DN256
      123旋啟式止回閥|H44Y4RF-900LBASTM A216 WCB-DN3001
      124旋啟式止回閥|H44Y4-900C2RF-900LBASTM A216 WCB-DN3501
      125旋啟式止回閥|H44Y4-900C2RF-900LBASTM A216 WCB-DN4001
      126角式截止閥|J44YRF-150LBA105-DN258
      127閘閥|Z41H-150C2RF-150LBASTM A216 WCB-DN1502
      128閘閥|Z41Y2-150C2RF150DN3002
      129閘閥|Z40Y2-150C2RF-150LBASTM A216 WCB-DN2004
      130截止閥|J41WRF-150LBCF8-DN156
      131法蘭截止閥|J41W-150Lb P1150LBDN506
      132截止閥|J41H-16C-DN1008
      133球閥|Q41Y4-900C2 25 RF900ASTM A216 WCB-DN258
      134截止閥|J41W-300P2300ASTM A351 CF8-DN803
      135高壓截止閥|J41Y-150LBWCB/STL-DN1505
      136截止閥|J41YRF-150LBWCB-DN1005
      137截止閥|J41Y-150LB150A105N-DN256
      138截止閥|J41HRF-150LBA105-DN506
      139高壓截止閥|J41W1-900P2JRJ-900LBASME A351 CF8-DN504
      140截止閥|J41W1-900P1J900F304-DN254
      141截止閥|J61Y-1500C21500A105N-DN1530
      142球閥|Q347Y4RF-900A105-DN506
      143截止閥|J41WRF-150LBCF8-DN156
      144球閥|Q341Y4-900C2RF-900ASTM A216 WCB-DN508
      145球閥|Q341Y4-900LB900A105-DN806
      146球閥|Q341Y4-900C2RF-900ASTM A216 WCB-DN805
      147高壓止回閥|H76H-150LBP316-DN350-JB/T89371
      148高壓止回閥|H76H-150LBP316-DN200-JB/T89371
      149不銹鋼截止閥|J41H-16P1.6Mpa304-DN405
      150不銹鋼截止閥|J41W-16P1.6Mpa304-DN505
      151不銹鋼截止閥|J41W-16P1.6Mpa304-DN155
      152閘閥|Z41Y-600LB12Cr1MoV-DN50 ≤425℃5
      153閘閥|Z41Y-600LB12Cr1MoV-DN25 ≤425℃5
      154閘閥|Z41Y-300LB12Cr1MoV-DN25 ≤425℃5
      155高壓閘閥|Z41Y-600LB12Cr1MoV-DN15 ≤425℃5
      156閘閥|Z41Y-300LB12Cr1MoV-DN15 ≤425℃5
      157承插焊閘閥|ZPN630Cr18Ni9-DN15 φ2270
      158承插焊閘閥|Z61H800LBA105-DN252
      159銅閘閥|Z15W-10T Φ25|||50
      160銅閘閥|Z15W-10T Φ20|||50
      161截止閥||J65Y-320-20|||6
      162截止閥||J61Y-320-20|||8
      163高壓復合閥|FQJ961Y-320DN506
      164截止閥||J61Y-320 DN20|||6
      165截止閥||J41H-100-25|||10
      166截止閥||J41H-16C  DN25||12
      167截止閥||J41H-16C  DN20||12
      168截止閥||J41H-16C  DN25||6
      169截止閥||J41H-16C-32|||12
      170閘閥|Z41H-16C.Φ150|法蘭||5
      171截止閥||J61Y-320-10|||10
      172截止閥||J61Y-320-50|||10
      173高壓截止閥|J61Y20MPaDN50-溫度;5403
      174法蘭截止閥|J41W-150LBP1150LBDN508
      175截止閥|J41Y4-150C2RF-150LBASTM A216 WCB-DN5010
      176截止閥|J6F22I 600LB RF 閥體鉻鉬鋼 閥桿A182-F316H STL/STL 4" ANSI B16.34/耐高溫500℃10
      177截止閥|J6F22I 600LB RF 閥體鉻鉬鋼,閥桿A182-316H STL/STL 3" ANSIB16.34/耐高溫500℃10
      178截止閥|J61H-4025DN2510
      179內螺紋截止閥|J11H-16PN1.6DN2010
      180內螺紋截止閥|J11H-16PN1.6DN1510
      181截止閥|J41H-100DN3210
      182不銹鋼截止閥|J41W-10P-DN15010
      183止回閥|H44Y-10DPN1.O不銹鋼304-DN802
      184截止閥||J61Y-320 DN32|||20
      185截止閥||J61Y-320-25|||10
      186截止閥||J41H-25-40|||10
      187截止閥|J41H-40-20|||10
      188截止閥||J41H-40-25|||10
      189截止閥||J41H-40-32|||10
      190球閥||Q11F-16-50|||10
      191止回閥|DN65|H41T-1.6|||2
      192截止閥||J41H-16C-65|||4
      193截止閥||J41H-40-15|||10
      194截止閥||J41H-25-32|||10
      195截止閥||J61Y-320 DN10|||20
      196截止閥|J41H-25 DN50||||10
      197蝶閥|D371X5-10/16ZB13對夾1X-|1.6MPa|C-DN3001
      198對夾式蝶閥|DN250|D371X5-16 ZB1||2
      199高壓截止閥|J61Y20MPaDN50-溫度;54020
      200截止閥|J41H-25C DN25||||50
      201高壓截止閥|J41H-25PN2.5MpaDN202
      202閘閥||Z41H-40-300|||2
      203截止閥||J61Y-200 DN50|||20
      204銅閘閥|Z15W-10T Φ20|||20
      205隔膜閥||G41J-10-80|||1
      206閘閥|Z41H-16P-DN2002
      207截止閥||J41H-25-20|||20
      208法蘭截止閥|DN40|J41H-16C||10
      209截止閥||DJ41H-25-200|||4
      210截止閥||J41H-25-150|||8
      211截止閥||J65Y-320-20|||10
      212截止閥| DN20|J41H-16C|鑄鋼|10
      213截止閥||J41H-25-80|||3
      214截止閥||J61Y-320-20|||10
      215截止閥||J65Y-320-32|||10
      216不銹鋼球閥|3/8寸||316L|20
      217球閥|Q61F-10S|RF|10|UPVC-DN2510
      218閘閥|Z41H-150LB-DN20 不銹鋼-耐酸堿5
      219閘閥|Z41H-150lbC150LBWCB/13Cr-DN3008
      220蝶閥|D341X-150LBC-DN4501
      221截止閥|J41R-150LBC-DN652
      222截止閥|J41H-150LBP-316L-DN801
      223止回閥|H42R-150LbC-3-DN65-碳鋼1
      224止回閥|H44R-150LbC-3-DN100-碳鋼1
      225止回閥|H44HPN1.6DN1003
      226對夾蝶閥|D71X-16C1.6MPaDN3002
      227對夾蝶閥|D371X-150C2 500150WCB-DN5001
      228對夾蝶閥|D371X-150C2 600150WCB-DN6001
      229閥門傳動裝置|QDX3-9\鑄鐵|12000Nm/12
      230球閥||Q11F-16-25|||10
      231球閥||Q11F-16-20|||10
      232球閥||Q11F-16-15|||10
      233閘閥|RF 300LB Z40Y-300LBC300LBDN50 材質WCB30
      234閘閥|Z41YRF150LBWCB-DN2501
      235止回閥|H41H150LBA105 J48-DN405
      236高壓閘閥|Z6F88P 600LB RF 閥體304 304 4" API6002
      237截止閥|J6F22I 600LB RF 閥體鉻鉬鋼 閥桿A182-F316H STL/STL 4" ANSI B16.34/耐高溫500℃2
      238截止閥|J6F22I 600LB RF 閥體鉻鉬鋼,閥桿A182-316H STL/STL 3" ANSIB16.34/耐高溫500℃2
      239閘閥|Z41Y300LBWCB-DN150 GB122242
      240閘閥|Z41YRF300LBDN200 GB122242
      241閘閥|Z41YRF150LBDN250 GB122242
      242閘閥|Z41YRF150LBDN400 GB122242
      243焊接閘閥|Z62Y-300LB300ASTM A216 WCB-DN5020
      244止回閥|H64W-800LB800LBA105-DN20-GB1223650
      245高壓止回閥|H61Y-800/DN20-閥體A10550
      246止回閥|H61HSW800LB304-DN20-GB1223550
      247閘閥|Z1F22C 150LB RF A105 3"30
      248閘閥|Z3U55L 800LB SW 316L SS body w trim 12 PER API602 柔性石墨填料 3/4"2
      249閘閥|Z3F55R 300LB RF 316 SS body 316SS trim F.P. 1-1/2"4
      250閘閥|Z3F55R 800LB SW 316 SS body 316SS trim F.P. 1"2
      251閘閥|Z3F55R 300LB RF 316 SS body 316SS trim F.P. 1"2
      252閘閥|Z3F55L 300LB RF 316L SS body 316SS trim F.P. 3/4"2
      253閘閥|Z3U55R 800LB SW/SCRD 316L SS body trim 12 PER API602 柔性石墨填料 3/4"4
      254旋啟式止回閥|H3S55L 800LB SW 316L SS body 316SS trim 1"2
      255旋啟式止回閥|H3S55L 800LB SW 316L SS body 316SS trim 3/4"2
      256閘閥|Z3F22C 300LB WCB 3" ASME B16.3430
      257止回閥||H44H-16C-250|||5
      258截止閥||J41H-25-125|||2
      259止回閥||H44H-25-150|||10
      260蝶閥|D373H-16373H-PN1.6C-DN3004
      261蝶閥|D371J/R-10CPN1.0DN1255
      262蝶閥|D371J/R-10CPN1.0DN1505
      263閘閥||Z41H-16C-200|||2
      264閘閥||Z41H-16C-50|||2
      265截止閥||J41H-16C-50|||10
      266截止閥|J41H-25C-65|||10
      267截止閥||J41H-25-100|||10
      268截止閥||J41H-16C-300|||5
      269截止閥||J41H-25-200|||2
      270截止閥|J41W-16P-100|||2
      271球閥|Q41F-150LbC-1RF150WCB-DN15010
      272止回閥|H44Y-10P1.0不銹鋼-DN805
      273蝶閥|D371F-10C1.0DN5005
      274球閥|Q41F-25P2.5DN255
      275截止閥|J41H-16C1.6WCB-DN505
      276截止閥|J41H-16C1.6WCB-DN1255
      277閘閥||Z41H-16C-150|||2
      278手動截止閥|J41H-16C1.6MpaDN654
      279截止閥|J41H-16C16DN205
      280截止閥|J61H-100P10RL-DN10-HF酸5
      281截止閥| DN25|J41H-16C|鑄鋼|10
      282法蘭截止閥|J41H-16C DN20|||10
      283法蘭截止閥|J41H-16C DN80|||10
      284截止閥|J41H-16C-DN12510
      285球閥|Q41F-40C4.0DN655
      286球閥|Q41F-10P1.0不銹鋼-DN205
      287球閥|Q41F-25P2.5不銹鋼-DN205
      288球閥|Q41F-16P1.6不銹鋼-DN255
      289截止閥|J41H-25C2.5DN205
      290蝶閥|D343H-101.0WCB-DN1505
      291截止閥|J41H-16C1.6不銹鋼-DN255
      292球閥|Q41F-10P1.0不銹鋼-DN805
      293球閥|Q41W1-300LBRF-300CF8-DN406
      294止回閥|H44Y4RF-900LBASTM A216 WCB-DN502
      295止回閥|H44W1-900P2J900LBASTM A351 CF8-DN1002
      296旋啟式止回閥|H44W1-900P2JRJ-900LBCF8-DN2002
      297旋啟式止回閥|H44W1-900R2J 80 RJ900LBASTM A351 CF8M-DN802
      298旋啟式止回閥|H44Y4-900C2RF-900LBASTM A216 WCB-DN3501
      299止回閥|H44W-150LB150LBF321-DN5010
      300閘閥|Z2H1B03-P3G3-L2BN150LBCF8-DN5020
      301閘閥|Z40W-300P2RF-300LBCF8-DN504
      302閘閥|Z40W1-900P2JRJ-900LBASTM A351 CF8-DN1007
      303球閥|Q341Y4-900LB900A105-DN505
      304高壓截止閥|J41W1-900P2JRJ-900LBASME A351 CF8-DN507
      305截止閥|J61Y-1500C1BW-1500LBA105-DN2542
      306截止閥|J41H-16C16DN1008
      307截止閥|J41WRF-150LBCF8-DN158
      308法蘭截止閥|J41W-150LBP1150LBDN508
      309截止閥|J61Y-1500C21500A105N-DN1540
      310截止閥|J41W1-900P2J900LBASTM A351 CF8-DN1002
      311球閥|Q341Y4-900LB900A105-DN1006
      312球閥|Q341Y4-900C2RF-900ASTM A216 WCB-DN806
      313球閥|Q347Y4-900LBRF-900A105-DN1505
      314球閥|Q341Y4 150LB150A105-DN25010
      315球閥|Q341Y4-150LB150A105-DN30010
      316旋啟式止回閥|H44Y4-150LBRF-150LBA105N-DN1510
      317升降式止回閥|H61Y-1500C1BW1500LBASTM A105-DN1510
      318閘閥|Z41R-150LBC-DN65 316L 耐酸堿1
      319閘閥|Z40H150P-DN50 CF81
      320閘閥|Z41H150P-DN80 CF81
      321截止閥|RF 150LB J41H-150LBP150LBDN50-材質 cf81
      322截止閥|J41H-150LB150LBCF8-DN501
      323截止閥|J41R-150LBC-DN100-316L 耐酸堿1
      324截止閥|J11X-1.0 DN40||||10
      325球閥|Q41F-10RL-DN32-316L10
      326球閥|Q41F-10RL-DN50-316L10
      327球閥||Q41F-16C  DN50||5
      328高壓球閥|Q41F-1640DN4020
      329球閥|Q41F-10S|RF|10|UPVC-DN1004
      330球閥||DN150 PN10|PVC||5
      331止回閥|H44H-150C-DN652

      國標法蘭截止閥的啟閉件是圓柱形的閥瓣,密封面呈平面或錐面,閥瓣沿流體的中心線作直線運動。國標截止閥只適用于全開和全關,一般不用來調節流量,定做時允許作調節和節流。公稱壓力1.6MPa-16.0MPa,工作溫度-29~550℃的石油、化工、制藥、化肥、電力行業等各種工況的管路上,切斷或接通管路介質。上海申弘閥門有限公司主營閥門有:截止閥,電動截止閥,氣動截止閥,電動蝶閥,氣動蝶閥,電動球閥,氣動球閥,電動閘閥,氣動閘閥,電動調節閥,氣動調節閥,減壓閥水力控制閥真空閥門、襯膠閥門、襯氟閥門。驅動方式有手動、齒輪傳動、電動、氣動等。法蘭連接的操作步驟與方法可以說是眾說紛紜,沒有什么統一標準,主要還是因為在各個共板法蘭機廠家生產的法蘭型號標準不統一,本文將介紹標準配置下的法蘭連接的操作步驟和方法。

      國標法蘭截止閥管端和法蘭連接

      ??a.管子端頭的切割加工一般用鋸切或氧乙炔焰切割。管切口用彎尺檢查。管口端面應與管子軸線垂直,偏斜不得大于1.5mm,如圖1所示。

      管子端頭檢查 圖1

      管子端頭檢查 圖1

      ??b.當管端加工完,檢查合格后可組裝法蘭。組對時可用的法蘭彎尺檢查法蘭端面和管子軸線的垂直度,如圖2所示,將法蘭尺一端緊靠管皮,另一端靠緊法蘭面,然后在圓周上分三點將法蘭和管端點焊住。再用塞尺以兩個90℃的方向來測量法蘭尺和法蘭端面的間隙。其偏差不得超過法蘭外徑的0.15%,且不大于2mm。同時應檢查管口捅人法蘭內應距法蘭密封面的距離,應不小于管壁厚的1.3一1.5倍。若發現偏差超出允許值應消除偏斜后再點焊。若檢查各項偏差均合乎要求,則可進行管子和法蘭的焊接,焊接工藝必須符合技術要求。

      用法蘭端尺檢查 圖2

      用法蘭端尺檢查 圖2

      ??②法蘭與法蘭的連接
      ??a.操作步驟(以焊接法蘭為例)。檢查法蘭是否符合設計要求→管端加工預制→管端和法蘭組焊→墊片檢驗→墊片上涂密封涂料→法蘭緊固件的選配、檢驗,安裝前螺紋涂料處理→法蘭安裝組對、加墊初緊→管路平直度、錯邊址、法蘭平行度檢查→終緊。

      ??b.操作方法。在法蘭連接時,先初步找平找正,加墊初緊,然后再次檢驗平直度,必須保持墊片中心和管子軸線重合。確認無誤后,用與螺栓相應尺寸的扳手,按對稱的順序,分2-3遍逐個擰緊,如圖3所示。

      擰緊螺栓次序 圖3

      擰緊螺栓次序 圖3

      產品特點

      1、結構簡單,制造和維修比較方便

      2、工作行程小,啟閉時間短

      3、密封性好,密封面間磨擦力小,壽命較長

      執行標準

      設計規范:GB/T 12235

      結構長度:GB/T 12221

      法蘭連接:JB/T 79

      試驗與檢驗:JB/T 9002

      產品標識:GB/T 12220

      供貨規范:JB/T 7928

      性能參數


      型號

      J41H-16C~160C

      J41Y-16C~160C

      J41W-16P~160P

      工作壓力(MPa)

      1.6~16.0

      適用溫度(℃)

      ≤425

      ≤150

      適用介質

      水、蒸汽、油品

      弱腐蝕性介質

      材料

      閥體、閥蓋

      碳素鋼

      鉻鎳鈦不銹鋼

      閥桿

      鉻不銹鋼

      鉻鎳鈦不銹鋼

      密封面

      堆焊鐵基合金

      堆焊硬基合金

      本體材料

      填料

      石棉石墨、柔性石墨、聚四氟乙烯


      壓力試驗MPa


      公稱壓力

      1.6

      2.5

      4.0

      6.4

      10.0

      16.0

      強度試驗

      2.4

      3.8

      6.0

      9.6

      15.0

      24.0

      水密封試驗

      1.8

      2.8

      4.4

      7.4

      11.0

      18.0

      上密封試驗

      1.8

      2.8

      4.4

      7.04

      11.0

      18.0

      氣密封試驗

      0.4-0.7


      主要零件材料及性能


      體蓋扳

      閥桿

      密封面

      墊片(環)

      填料

      工作溫度℃

      適用介質

      WCB

      2Cr13

      13Cr
      STL
      本體材料
      尼龍

      增強柔性石墨
      1Crl3/柔性石墨
      08軟鋼
      0Cr18Ni9Ti
      OCr18Ni12Mo2Ti

      柔性石墨
      增強柔性石墨
      SFB-260
      SFP-260

      ≤425


      水、蒸汽、油品

      WC1

      38CrMoAI
      25Cr2MoV

      ≤450

      WC6

      ≤540

      WC9

      ≤570

      ZGCr5Mo

      ≤540

      ZG1Cr18Ni9Ti

      1Cr18Ni9Ti

      ≤200

      硝酸類

      ZGCr18Ni12Mo2Ti

      1C18Ni12Mo2Ti

      ≤200

      醋酸類


      PN l.6MPa規格主要尺寸


      1.6MPa

      DN

      L

      D

      D1

      D2

      b

      n-Φd

      H

      D0

      凸面法蘭
      RF
      J41H
      J41Y
      J41W
      J41F
      J41N

      16C
      16P
      16R
      16I

      10

      130

      90

      60

      40

      14

      4-Φ14

      198

      120

      15

      130

      95

      65

      45

      14

      4-Φ14

      218

      120

      20

      150

      105

      75

      55

      14

      4-Φ14

      258

      140

      25

      160

      115

      85

      65

      14

      4-Φ14

      275

      140

      32

      180

      135

      100

      78

      16

      4-Φ18

      280

      160

      40

      200

      145

      110

      85

      16

      4-Φ18

      330

      180

      50

      230

      160

      125

      100

      16

      4-Φ18

      350

      200

      65

      290

      180

      145

      120

      18

      4-Φ18

      370

      280

      80

      310

      195

      160

      135

      20

      8-Φ18

      400

      280

      100

      350

      215

      180

      155

      20

      8-Φ18

      415

      320

      125

      400

      245

      210

      185

      22

      8-Φ18

      460

      360

      150

      480

      280

      240

      210

      24

      8-Φ23

      510

      450

      200

      600

      335

      295

      265

      26

      12-Φ23

      710

      500

      250

      650

      405

      335

      320

      30

      12-Φ25

      786

      550

      300

      750

      460

      410

      375

      30

      12-Φ25

      925

      600


      2.5MPa規格主要尺寸


      2.5MPa

      DN

      L

      D

      D1

      D2

      b

      n-Φd

      H

      D0


      10

      130

      90

      60

      40

      16

      4-Φ14

      198

      120

      15

      130

      95

      65

      45

      16

      4-Φ14

      218

      120

      20

      150

      105

      75

      55

      16

      4-Φ14

      258

      140

      25

      160

      115

      85

      65

      16

      4-Φ14

      275

      140

      32

      180

      135

      100

      78

      18

      4-Φ18

      280

      160

      40

      200

      145

      110

      85

      18

      4-Φ18

      330

      180

      50

      230

      160

      125

      100

      20

      4-Φ18

      350

      200

      65

      290

      180

      145

      125

      22

      8-Φ18

      400

      280

      80

      310

      195

      160

      135

      22

      8-Φ18

      355

      280

      100

      350

      230

      190

      160

      24

      8-Φ23

      415

      320

      125

      400

      270

      220

      188

      28

      8-Φ25

      460

      360

      150

      480

      300

      250

      218

      30

      8-Φ25

      510

      450

      200

      600

      360

      310

      278

      34

      12-Φ25

      710

      500

      250

      622

      425

      370

      332

      36

      12-Φ30

      786

      550

      300

      698

      485

      430

      390

      40

      16-Φ30

      925

      600


      4.0MPa規格主要尺寸


      4.0MPa

      DN

      L

      D

      D1

      D2

      D6

      b

      n-Φd

      H

      D0

      凹凸法蘭
      MFM
      J41H
      J41Y
      J41W
      J41N

      40
      40P
      40R
      40I

      10

      130

      90

      60

      41

      35

      14

      4-Φ14

      198

      120

      15

      130

      95

      65

      45

      40

      16

      4-Φ14

      233

      120

      20

      150

      105

      75

      55

      51

      16

      4-Φ14

      295

      140

      25

      160

      115

      85

      65

      58

      16

      4-Φ14

      285

      160

      32

      180

      135

      100

      78

      66

      18

      4-Φ18

      302

      160

      40

      200

      145

      110

      85

      76

      18

      4-Φ18

      355

      200

      50

      230

      160

      125

      100

      88

      20

      4-Φ18

      373

      200

      65

      290

      180

      145

      120

      110

      22

      8-Φ18

      408

      280

      80

      310

      195

      160

      135

      121

      22

      8-Φ18

      436

      280

      100

      350

      230

      190

      160

      150

      24

      8-Φ23

      480

      320

      125

      4001

      270

      220

      188

      176

      28

      8-Φ25

      588

      360

      150

      480

      300

      250

      218

      204

      30

      8-Φ25

      611

      400

      200

      600

      375

      320

      282

      260

      38

      12-Φ30

      720

      400


      6.4MPa規格主要尺寸


      6.4MPa

      15

      170

      105

      75

      55

      40

      18

      4-14Φ

      195

      400

      凹凸法蘭
      MFM
      J41H
      J41Y
      J41W
      J41N

      64
      64P
      64R
      64I

      20

      190

      125

      90

      68

      51

      20

      4-Φ18

      228

      160

      25

      210

      135

      100

      78

      58

      22

      4-Φ18

      275

      180

      32

      230

      150

      110

      82

      66

      24

      4-Φ23

      325

      200

      40

      260

      165

      125

      95

      76

      24

      4-Φ23

      360

      240

      50

      300

      175

      135

      105

      88

      26

      4-Φ23

      410

      280

      65

      340

      200

      160

      130

      110

      28

      8-Φ23

      450

      320

      80

      380

      210

      170

      140

      121

      30

      8-Φ23

      485

      360

      100

      430

      250

      200

      168

      150

      32

      8-Φ25

      537

      400

      125

      500

      295

      240

      202

      176

      36

      8-Φ30

      631

      400

      150

      550

      340

      280

      240

      204

      38

      8-Φ34

      646

      450

      200

      650

      405

      345

      300

      260

      44

      12-Φ34

      813

      500


      與本文相關的論文有:礦山電動插板閥

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