ANSI FLANGES
ANSI FLANGESClass 150 FlangesClass 300 FlangesClass 400 FlangesClass 600 FlangesClass 900 FlangesClass 1500 FlangesClass 2500 Flanges
8CLASS 150 FLANGESANSI B16.5 FORGED FLANGESUnit : mmBORENominal OutsidePipeDiam.Size1/23/411 1/41 1/222 1/233 1/2456810121416182024Diam.at Baseof HubO. D. onSocketWeldingLENGTH THRU LapJointDiam. ofHub :(1) For the‘Bore’(B1) other than Standard Wall Thickness, refer to page 52.(2) Class 150 flanges except Lap Joint will be furnished with 0.06″(1.6mm) raised face, which is included in‘Thickness’(t) and‘Length through Hub’(T1),(T2).(3) For Slip-on, Threaded, Socket Welding and Lap Joint Flanges, the hubs can be shaped either vertical from base to topor tapered within the limits of 7 degrees.
9Unit : mmDRILLINGNominal DepthPipeofSizeSocketBOLTINGBoltNumber DiamCircle ofofDiam HolesHolesY1/23/411 1/41 1/222 1/233 .1APPROXIMATE WEIGHTMachineStud BoltDiam BoltLengthofLengthBolts(inch) Raised Raised RingFace 4.90 10.808.905.90 13.0011.007.41 16.3013.008.76 19.3014.0016.70 11.31 24.9027.90 19.92 43.9037.00 29.39 64.8062.40 43.70 96.3091.50 59.42 140.00116.80 77.11 170.00130.00 94.80 209.00159.00 123.38 272.00218.30 188.24 2.335.003.557.804.028.904.99 11.005.99 13.206.68 14.707.99 17.6013.29 29.3019.50 43.0029.03 64.0038.56 85.0044.49 98.0054.43 120.0070.31 155.0095.25 210.00(4) Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.(5) The gasket surface and backside (bearing surface for bolting) are made parallel within 1 degree.To accomplish parallelism, spot facing is carried out according to MSS SP-9, without reducing thickness (t).(6) Depth of Socket (Y) is covered by ANSI B16.5 only sizes through 3 inch, over 3 inch is at the manufacturer’s option.
10CLASS 300 FLANGESANSI B16.5 FORGED FLANGESUnit : mmBORENominal OutsidePipeDiam.Size1/23/411 1/41 1/222 1/233 1/2456810121416182024Diam.at Baseof HubO. D. onSocketWeldingLENGTH THRU HUBLapJointCounterBore Min.ThreadedMin.Welding 7152.4Diam. ofHub 855.660.563.568.369.973.282.6Notes:(1) For the‘Bore’(B1) other than Standard Wall Thickness, refer to page 52.(2) Class 300 flanges except Lap Joint will be furnished with 0.06″(1.6mm) raised face, which is included in‘Thickness’(t) and‘Length through Hub’(T1),(T2).(3) For Slip-on, Threaded, Socket Welding and Lap Joint Flanges, the hubs can be shaped either vertical from base to ortapered within the limits of 7 degrees.
11Unit : mmDRILLINGNominal DepthPipeofSizeSocketBOLTINGBoltNumber DiamCircle ofofDiam HolesHolesY1/23/411 1/41 1/222 1/233 141.1APPROXIMATE WEIGHTMachineStud BoltDiam BoltLengthofLengthBolts(inch) Raised Raised RingFace 107.7218.0024.90 10.1333.30 12.5843.40 16.0467.20 24.5096.40 34.16142.00 51.26194.70 72.12249.00 90.40305.00 109.00369.00 136.00519.00 0(4) Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.(5) The gasket surface and backside (bearing surface for bolting) are made parallel within 1 degree.To accomplish parallelism, spot facing is carried out according to MSS SP-9, without reducing thickness (t).(6) Depth of Socket (Y) is covered by ANSI B16.5 only is sizes through 3 inch, over 3 inch is at the manufacturer’s option.
12CLASS 400 FLANGESANSI B16.5 FORGED FLANGESUnit : mmBORED1/23/411 1/41 1/222 1/233 279318381445521584648711775914Diam.at Baseof HubO. D. nAndThreadedLapJointDiam. ofHub atBevelB1B2B3BT1T2T3ASee Note(1)To be specified by purchaser.Nominal OutsidePipeDiam.SizeLENGTH THRU 323.9355.6406.4457.2508.0609.6Notes:(1) For the inside diameter of pipes (corresponding to‘Bore’(B1) of Welding Neck Flanges), refer to page 52.(2) Class 400 flanges except Lap Joint will be furnished with 0.25″(6.35mm) raised face, which is not included in‘Thickness’(t)and‘Length through Hub’(T1),(T2).(3) For Slip-on, Threaded and Lap Joint Flanges, the hubs can be shaped either vertical from base to top or tapered withinthe limits of 7 degrees.
13Unit : mmNominal Radius ThreadPipeofLengthSizeFillet1/23/411 1/41 1/222 1/233 28.431.835.135.138.138.441.147.8Stud Bolt LengthDiam0.25″ Male- RingofRaised Female 1.5190.5203.2209.6222.3228.6247.7279.4APPROXIMATE 0(4) Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.(5) The gasket surface and backside (bearing surface for bolting) are made parallel within 1 degree.To accomplish parallelism, spot facing is carried out according to MSS SP-9, without reducing thickness (t).(6) Dimensions of sizes 1/2″through 3-1/2″are the same as for Class 600 Flanges
14CLASS 600 FLANGESANSI B16.5 FORGED FLANGESUnit : mmNominal OutsidePipeDiam.Size1/23/411 1/41 1/222 1/233 1/2456810121416182024Diam.at Baseof HubO. D. .4584.2692.2LENGTH THRU HUBThicknessWeldingNeckSocketWeldingtB1B2B3BT1See Note(1)To be specified by eMin.Welding 152.4165.1184.2Diam. ofHub 265.069.973.277.779.282.691.9Notes:(1) For the inside diameter of pipes (corresponding to‘Bore’(B1) of Welding Neck Flanges), refer to page 52.(2) Class 600 flanges except Lap Joint will be furnished with 0.25″(6.35mm) raised face, which is not included in‘Thickness’(t)and‘Length through Hub’(T1),(T2).(3) For Slip-on, Threaded, Lap Joint and Socket Welding Flanges, the hubs can be shaped either vertical from base to top ortapered within the limits of 7 degrees.
15Unit : mmNominal DepthPipeofSizeSocketBOLTINGDRILLINGNumber DiamBoltofCircle ofHolesDiam HolesY1/23/411 1/41 1/222 1/233 ATE WEIGHTStud Bolt Length0.25″ MaleRaised FemaleFace ) Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.(5) The gasket surface and backside (bearing surface for bolting) are made parallel within 1 degree.To accomplish parallelism, spot facing is carried out according to MSS SP-9, without reducing thickness (t).(6) Dimensions of sizes 1/2″through 3-1/2″are the same as for Class 400 Flanges(7) Depth of Socket (Y) is covered by ANSI B16.5 only in sizes through 3 inch, over 3 inch is at the manufacturer’s option.
16CLASS 900 FLANGESANSI B16.5 FORGED FLANGESUnit : mmBORE1/23/411 1/41 1/222 1/23456810121416182024Diam.at Baseof HubO. D. AndThreadedLapJointDiam. ofHub atBevelB1B2B3BT1T2T3ASee Note(1)To be specified by purchaser.Nominal OutsidePipeDiam.SizeLENGTH THRU 08.0609.6Notes:(1) For the inside diameter of pipes (corresponding to‘Bore’(B1) of Welding Neck Flanges), refer to page 52.(2) Class 900 flanges except Lap Joint will be furnished with 0.25″(6.35mm) raised face, which is not included in‘Thickness’(t)and‘Length through Hub’(T1),(T2).(3) For Slip-on, Threaded and Lap Joint Flanges, the hubs can be shaped either vertical from base to top or tapered withinthe limits of 7 degrees.
17Unit : mmNominal Radius ThreadPipeofLengthSizeFillet1/23/411 1/41 1/222 01.74444488888121216202020202020APPROXIMATE WEIGHTStud Bolt /811/411/813/813/813/811/215/817/821/421/2Male- RingFemale 3.00(4) Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.(5) The gasket surface and backside (bearing surface for bolting) are made parallel within 1 degree.To accomplish parallelism, spot facing is carried out according to MSS SP-9, without reducing thickness (t).(6) Dimensions of sizes 1/2″through 21/2″are the same as for Class 1500 .4651.50 113.5089.00 106.20131.54 290.00187.00 412.30224.07 494.00272.40 600.50385.90 850.80488.00 1076.00905.00 1995.00
18CLASS 1500 FLANGESANSI B16.5 FORGED FLANGESUnit : mmNominal OutsidePipeDiam.Size1/23/411 1/41 1/222 1/23456810121416182024Diam.at Baseof HubO. D. .2LENGTH THRU e Note(1)To be specified by in.Welding 8.9241.3260.4276.4292.1330.2Diam. ofHub tes:(1) For the inside diameter of pipes (corresponding to‘Bore’(B1) of Welding Neck Flanges), refer to page 52.(2) Class 1500 flanges except Lap Joint will be furnished with 0.25″(6.35mm) raised face, which is not included in‘Thickness’(t)and‘Length through Hub’(T1),(T2).(3) For Slip-on, Threaded, Lap Joint and Socket Welding Flanges, the hubs can be shaped either vertical from base to top ortapered within the limits of 7 degrees.
19Unit : mmNominal DepthPipeofSizeSocketBOLTINGDRILLINGNumber DiamBoltofCircle ofHolesDiam HolesY1/23/411 1/41 1/222 15/817/821/421/421/223/431/431/2APPROXIMATE WEIGHTStud Bolt Length0.25″ MaleRaised FemaleFace 0567.50736.00929.00Kg1.804.004.601.804.001.904.00 1.812.275.006.002.275.002.726.00 2.813.407.508.503.407.504.089.00 3.614.09 10.809.0010.004.104.309.50 4.995.40 11.9013.005.45 12.005.90 13.00 6.769.53 21.00 11.30 25.00 10.8924.00 10.50 23.0036.00 15.80 34.80 13.15 29.00 16.00 35.30 16.3448.00 21.77 48.00 17.24 38.00 21.79 48.0069.00 31.00 68.40 29.00 63.90 33.11 73.00130.00 58.80 129.60 54.00 119.00 60.00 132.30165.00 74.00 163.00 62.00 136.70 75.00 165.30273.00 117.73 258.00 129.73 236.00 136.98 302.00454.00 197.49 435.40 220.19 485.40 229.97 507.00674.60 264.00 582.00 286.02 630.60 316.00 696.70404.06 890.80 421.00 928.00917.00522.10 1151.00 559.00 1232.701250.00669.65 1476.30 761.00 1677.701622.60805.85 1776.60 976.00 2131.802048.001504.00 3315.701285.55 2834.00 1568.00 3456.80(4) Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.(5) The gasket surface and backside (bearing surface for bolting) are made parallel within 1 degree.To accomplish parallelism, spot facing is carried out according to MSS SP-9, without reducing thickness (t).(6) Dimensions of sizes 1/2″through 21/2″are the same as for Class 900 Flanges(7) Depth of Socket (Y) is covered by ANSI B16.5 only in sizes through 21/2 inch, over 21/2 inch isat the manufacturer’s option.lb4.006.208.0011.0014.9024.0036.00
20CLASS 2500 FLANGESANSI B16.5 FORGED FLANGESUnit : mmNominal OutsidePipeDiam.Size1/23/411 1/41 1/222 1/2345681012Diam.at Baseof HubO. D. 127.0157.2185.7215.9269.7323.9381.0LENGTH THRU HUBThicknessWeldingNecktB1B2B3BT1T2To be specified by intCounterBoreMin.Welding .569.979.291.9108.0130.0152.4177.8228.6254.0Diam. ofHub 20.7Notes:(1) For the inside diameter of pipes (corresponding to‘Bore’(B1) of Welding Neck Flanges), refer to page 52.(2) Class 2500 flanges except Lap Joint will be furnished with 0.25″(6.35mm) raised face, which is not included in‘Thickness’(t)and‘Length through Hub’(T1),(T2).(3) For Slip-on, Threaded and Lap Joint Flanges, the hubs can be shaped either vertical from base to top ortapered within the limits of 7 degrees.
21Unit : mmNominalPipeSize1/23/411 1/41 1/222 1/2345681012BOLTINGDRILLINGAPPROXIMATE WEIGHTStud Bolt 223/40.25″ MaleRaised FemaleFace .30530.501026.001464.00(4) Blind Flanges may be made with the same hub as that used for Slip-on Flanges or without hub.(5) The gasket surface and backside (bearing surface for bolting) are made parallel within 1 degree.To accomplish parallelism, spot facing is carried out according to MSS SP-9, without reducing thickness (t).(6) Class 2500 Slip-on Flanges are not covered by ANSI B16.5, slip-on flanges are at the manufacturer’s option.
RING JOINT FLANGESClass 150 FlangesClass 300, 400, 600 FlangesClass 900 FlangesClass 1500 FlangesClass 2500 Flanges
23CLASS 150 FLANGESRING JOINT FLANGES FACING DIMENSIONSANSI B16.5 FORGED FLANGESNominalPipeSize11 1/41 1/222 1/2331/2456810121416182024PitchDiam. ofRing andGrooveWidth ofRingHEIGHT OF RINGOvalUnit : mmOctagonalWidth ofFlat .712.712.712.7Width ofGrooveDepth ofGrooveE .46.46.4Diameterof RaisedFace forRing Jointor LappedRingNumberK .9273.1330.2406.4425.5482.6546.1596.9711.2R 15R 17R 19R 22R 25R 29R 33R 36R 40R 43R 48R 52R 56R 59R 64R 68R 72R 76ApproximateDistanceBetweenFlanges ofRing JointsWhen Ring 13.03.03.03.03.0Notes:Unless otherwise specified by the customer, Ring Type Joint Flanges will be furnished in accordance with these details.The depth of groove is added to the minimum flange thickness.* Raised face“L”is equal to groove dimension“E”but is not subject to tolerances for“E”.* A plus tolerance of 3/64 in, for heights B and H is permitted providing the variation in the height of any given ring does notexceed 1/64 in, throughout its entire circumference.Dimension“R”is max.Radius“r”is 1/16″for ring widths 7/8″and less and 3/32″for ring widths 1″(25.4mm) and over.
24CLASS 300-400-600 FLANGESRING JOINT FLANGES FACING DIMENSIONSANSI B16.5 FORGED FLANGESPitchNominal Diam. ofPipeRing andSizeGroove1/2
CLASS 300 FLANGES ANSI B16.5 FORGED FLANGES 10 Unit : mm Notes: (1) For the ‘Bore’(B1) other than Standard Wall Thickness, refer to page 52. (2) Class 300 flanges except Lap Joint will be furnished with 0.06″(1.6mm)raised face, which is included in ‘Thickness’(t) and ‘Length through Hub’(T1),(T2). (3)For Slip-on, Threaded, Socket Welding an
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Flanges CL150 ASME B16.5 Note 1: Socket weld flanges up to 3" in this pressure rating. Note 2: For Lapped flanges, add 1.6mm to tf dimension. Note 3: Threaded Flanges shall have a taper pipe thread conforming to ASME B1.20.1 Pipe Refer to ASME B36 - 10 / B36 - 19 or as specified by purchaser No counter bore required on threaded flanges .
RF GORE DIN Swivel flanges Fixed flanges Flange gasket Swivel flanges Fixed flanges Flange gasket. FLANGES DIMENSIONS EN-DIN PN ASTM EN-DIN PN 6 EN-DIN PN 10 EN-DIN PN 16 EN-DIN PN 25 EN-DIN PN 40 ND D K N D2 D K N D2 D K N D2 D K N D2 D K N D2 1/2" 15 80 55 4 11 95 65 4 14 95 65 4 14 95 65 4 14 95 65 4 14
Metallic butterfly valves BS EN 1092-1:2007 Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Steel flanges BS EN 1092-3:2003 Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated. Copper alloy flanges BS EN 12516:2005 Series Industrial Valves .
1. ANSI/ASME B1.20.1 Pipe Threads, General Purpose (Inch) 2. ANSI/ASME B16.1 Cast Iron Pipe Flanges and Flanged Fittings 3. ANSI/ASME B16.3 Malleable Iron Threaded Fittings 4. ANSI/ASME B16.5 Pipe Flanges and Flanged Fittings 5. ANSI/ASME B16.9 Factory Made Wrought Steel Buttwelding Fittings 6. ANSI/
ANSI/BHMA certiied A156.2-2011 Exceeds 400,000 ANSI cycles Medium traic ANSI/BHMA certiied A156.5-2010 Exceeds 150,000/250,000 ANSI cycles High traic, heavy-duty ANSI/BHMA certiied A156.2-2011 Exceeds 1,000,000 ANSI cycles High traic ANSI/BHMA certiied A156.2-2011 Exceeds 1,000,000 ANSI cycles Heavy-duty traic ANSI/
ANSI/BHMA certiied A156.2-2011 Exceeds 400,000 ANSI cycles Medium traic ANSI/BHMA certiied A156.36-2010 Exceeds 150,000/250,000 ANSI cycles High traic, heavy-duty ANSI/BHMA certiied A156.2-2011 Exceeds 1,000,000 ANSI cycles High traic ANSI/BHMA certiied A156.2-2011 Exceeds 1,000,000 ANSI cycles Heavy-duty traic ANSI/
WOOD LADDER ANSI A14.1 STEEL LADDER ANSI A14.7 SPECIAL DUTY LADDER ANSI A14.10 METAL LADDER ANSI A14.2 FIBERGLASS LADDER ANSI A14.5 STAGE PLATFORM ANSI A10.8 ROLLING SCAFFOLD ANSI A10.8 ATTIC LADDER ANSI A14.9 In addition, ANSI codes have established a Duty Rating
