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            技術(shù)文章首頁 > 技術(shù)文章 > 國標法蘭截止閥
            國標法蘭截止閥
            點擊次數(shù):3887      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(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(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)一標準,主要還是因為在各個共板法蘭機廠家生產(chǎn)的法蘭型號標準不統(tǒng)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(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(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(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→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(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

            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)行標準

            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

            試驗與檢驗:JB/T 9002

            產(chǎn)品標識: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(huán))

            填料

            工作溫度℃

            適用介質(zhì)

            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(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