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          技術(shù)文章首頁 > 技術(shù)文章 > 國標(biāo)法蘭截止閥
          國標(biāo)法蘭截止閥
          點(diǎn)擊次數(shù):3876      更新時間:2015-08-12

                                         國標(biāo)法蘭截止閥

                                       上海申弘閥門有限公司

          序號貨物名稱數(shù)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(nèi)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(zhì)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(zhì)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(fù)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(nèi)螺紋截止閥|J11H-16PN1.6DN2010
          180內(nèi)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(zhì)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(zhì) 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(biāo)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(yùn)動。國標(biāo)截止閥只適用于全開和全關(guān),一般不用來調(diào)節(jié)流量,定做時允許作調(diào)節(jié)和節(jié)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(yè)等各種工況的管路上,切斷或接通管路介質(zhì)。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(diào)節(jié)閥,氣動調(diào)節(jié)閥,減壓閥水力控制閥真空閥門、襯膠閥門、襯氟閥門。驅(qū)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(tǒng)一標(biāo)準(zhǔn),主要還是因?yàn)樵诟鱾€共板法蘭機(jī)廠家生產(chǎn)的法蘭型號標(biāo)準(zhǔn)不統(tǒng)一,本文將介紹標(biāo)準(zhǔn)配置下的法蘭連接的操作步驟和方法。

          國標(biāo)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(yīng)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(dāng)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(diǎn)將法蘭和管端點(diǎn)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(yīng)檢查管口捅人法蘭內(nèi)應(yīng)距法蘭密封面的距離,應(yīng)不小于管壁厚的1.3一1.5倍。若發(fā)現(xiàn)偏差超出允許值應(yīng)消除偏斜后再點(diǎn)焊。若檢查各項偏差均合乎要求,則可進(jìn)行管子和法蘭的焊接,焊接工藝必須符合技術(shù)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(shè)計要求→管端加工預(yù)制→管端和法蘭組焊→墊片檢驗(yàn)→墊片上涂密封涂料→法蘭緊固件的選配、檢驗(yàn),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(yàn)平直度,必須保持墊片中心和管子軸線重合。確認(rèn)無誤后,用與螺栓相應(yīng)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(chǎn)品特點(diǎn)

          1、結(jié)構(gòu)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(zhí)行標(biāo)準(zhǔn)

          設(shè)計規(guī)范:GB/T 12235

          結(jié)構(gòu)長度:GB/T 12221

          法蘭連接:JB/T 79

          試驗(yàn)與檢驗(yàn):JB/T 9002

          產(chǎn)品標(biāo)識:GB/T 12220

          供貨規(guī)范:JB/T 7928

          性能參數(shù)


          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(zhì)

          水、蒸汽、油品

          弱腐蝕性介質(zhì)

          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(yàn)MPa


          公稱壓力

          1.6

          2.5

          4.0

          6.4

          10.0

          16.0

          強(qiáng)度試驗(yàn)

          2.4

          3.8

          6.0

          9.6

          15.0

          24.0

          水密封試驗(yàn)

          1.8

          2.8

          4.4

          7.4

          11.0

          18.0

          上密封試驗(yàn)

          1.8

          2.8

          4.4

          7.04

          11.0

          18.0

          氣密封試驗(yàn)

          0.4-0.7


          主要零件材料及性能


          體蓋扳

          閥桿

          密封面

          墊片(環(huán))

          填料

          工作溫度℃

          適用介質(zhì)

          WCB

          2Cr13

          13Cr
          STL
          本體材料
          尼龍

          增強(qiáng)柔性石墨
          1Crl3/柔性石墨
          08軟鋼
          0Cr18Ni9Ti
          OCr18Ni12Mo2Ti

          柔性石墨
          增強(qiáng)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(guī)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(guī)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(guī)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(guī)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(guān)的論文有:礦山電動插板閥