ANSI B16.5法兰标准简介ANSI B16.5是美国国家标准制定机构ANSI（美国国家标准学会）制定的一项用于管道连接的标准，也称为ASME B16.5。
该标准规定了管道法兰以及相关附件（如螺栓、垫片等）的尺寸、材料要求和安装方法。
ANSI B16.5法兰标准被广泛应用于各种工业领域，包括石油化工、能源、造船、水处理等。
标准内容ANSI B16.5标准主要包括以下几个方面的内容：法兰尺寸ANSI B16.5标准规定了各种类型的法兰的尺寸范围，包括公称管径、法兰厚度、法兰外径等。
根据不同的应用需求，可以选择适当的法兰尺寸进行使用。
法兰材料根据应用环境和工作条件的不同，ANSI B16.5标准规定了一系列适用于法兰制造的材料，包括常见的碳钢、不锈钢、合金钢等。
这些材料的选择应根据工作温度、压力和介质特性进行考虑。
ANSI B16.5标准定义了多种类型的法兰，包括焊接颈法兰、螺纹法兰、盲板法兰、滑动法兰等。
每种类型的法兰都有不同的特点和适用范围，使用者可以根据需要选择合适的法兰类型。
法兰连接方式ANSI B16.5标准规定了法兰连接的安装方法，例如焊接、螺栓紧固、预紧连接等。
这些连接方式的选择应根据管道系统的需求和使用要求来确定。
法兰密封ANSI B16.5标准规定了法兰及其附件之间的密封要求，包括垫片的材料、厚度和安装方法等。
合理选择和正确安装垫片可以保证法兰连接的密封性能。
应用领域ANSI B16.5法兰标准广泛应用于各种工业领域，包括以下几个方面：石油化工行业石油化工行业是ANSI B16.5法兰标准的主要应用领域之一。
在炼油、化工生产过程中，需要进行各种管道连接，如管道与设备的连接、管道与管道的连接等。
ANSI B16.5标准规定了符合工业安全和环境要求的管道连接尺寸和材料，保证了工艺流程的正常进行。
能源行业包括发电、输电和供热等领域，这些领域都需要大量的管道连接。
ANSI B16.5标准被广泛应用于能源行业的管道系统中，确保能源的传输和利用过程安全可靠。
法兰标准：ANSI B16.5, ANSI B16.47 Series A & B150 Lb300 Lb600 Lb900 LbRing Joint Flanges Facing Dimension材质：合金钢ASTM A182 F1, F2, F5/A, F6/A, F9, F11, F12, F22, F91双相钢/超级双相钢ASTM A182 F51/UNS S31803, F53/UNS S32750, F55/UNS S32760, F44/UNS S31254, F49/UNS S24565无铁基合金MONEL 400, INCONEL 600, INCONEL 625, INCOLOY 800, INCOLOY 82, ALLOY C276不锈钢ASTM A182 F304/304L, F316/316L, F321碳 钢ASTM A105N, A350-LF2规 格：1/2" to 60" NB密 封 面：F.F., R.F., R.T.J.品 种：高颈法兰，长高颈法兰，滑套法兰，盲法兰，平焊法兰，螺纹法兰，承插法兰，仪表法兰，8字盲法兰管件标准：ANSI B16.9 & B16.28, MSS SP-75材质：合金钢ASTM A234 WP1, WP11, WP12, WP22, WP5, WP9, WP91不锈钢ASTM A403 WP304/304L, WP316/316L, WP321碳 钢ASTM A234 WPB; WPC, A420-WPL6壁厚：Sch5S, 10S, 40S, 80S, Sch10～Sch160, XXSDRILLING Machine Bolt Length Welding Neck 对焊法兰Slip-on and Threaded 平焊法兰和螺纹连接法兰Lap Joint Blind Raised Face Raised Face Ring Joint kg kg kg kg 1/23.50.44 1.384 1/22 2.25-0.510.470.510.47 3/43.880.5 1.694 1/22 2.5-0.730.580.640.6314.250.5624 1/2 2.25 2.53 1.070.860.930.941 1/44.620.62 2.54 1/2 2.25 2.75 3.25 1.4 1.08 1.16 1.231 1/250.69 2.884 1/2 2.5 2.75 3.25 1.81 1.41 1.51 1.62260.75 3.624 5/8 2.75 3.25 3.75 2.59 2.26 2.38 2.642 1/270.88 4.124 5/83 3.54 4.28 3.43 3.6 4.0637.50.9454 5/83 3.54 5.18 3.87 4.04 4.93 1/28.50.94 5.58 5/83 3.54 5.45 4.99 4.99 5.9490.94 6.198 5/83 3.547.32 5.75 5.967.415100.947.318 3/4 3.25 3.75 4.258.91 6.22 6.448.7661118.58 3/4 3.254 4.511.267.387.5911.31813.5 1.1210.628 3/4 3.5 4.25 4.7517.6812.3612.6619.92NominalPipe SizeO.D. of Raised Face BOLTING APPROXIMATE WEIGHTNumber of Holes Diam. of Bolts Stud Bolt Length 双头螺栓Outside Diam.Thick-ness1016 1.1912.7512 7/84 4.5524.7917.116.7829.391219 1.251512 7/84 4.75 5.2538.9827.6828.343.71421 1.3816.25121 4.5 5.25 5.7551.7135.241.559.421623.5 1.4418.5161 4.5 5.25 5.7564.4142.1852.9877.111825 1.562116 1 1/85 5.75 6.2574.8449.715994.82027.5 1.692320 1 1/8 5.5 6.25 6.7589.3665.572.12123.382432 1.8827.2520 1 1/46 6.757.25119.6690.599.02188.24DRILLING MachineBoltLengthWelding Neck Slip-on and Threaded Lap Joint Blind RaisedFaceRaised Face Ring Joint kg kg kg kg 1/2 3.750.56 1.384 1/2 2.252.530.780.620.610.62 3/4 4.620.62 1.694 5/8 2.53 3.5 1.34 1.15 1.15 1.161 4.880.6924 5/8 2.53 3.5 1.64 1.39 1.38 1.421 1/4 5.250.75 2.54 5/8 2.753.25 3.75 2.06 1.67 1.66 1.791 1/2 6.120.81 2.884 3/433.54 3.06 2.53 2.52 2.682 6.50.88 3.628 5/833.54 3.4 2.8 2.79 3.092 1/27.514.128 3/4 3.254 4.5 5.31 4.25 4.22 4.7538.25 1.1258 3/4 3.54.25 4.757.325.81 5.786.793 1/29 1.19 5.58 3/4 3.754.2558.177.727.729.53410 1.25 6.198 3/4 3.754.5511.310.1310.0712511 1.387.318 3/4 4.254.755.2515.1212.5812.5215.96612.5 1.448.512 3/4 4.25 4.75 5.519.6816.0415.9521.2Nominal Pipe Size Outside Diam.Thick-ness O.D. of Raised Face BOLTINGAPPROXIMATE WEIGHT Number of Holes Diam. of Bolts Stud Bolt Length815 1.6210.6212 7/8 4.75 5.5630.4824.524.3734.61017.5 1.8812.75161 5.5 6.25 6.7543.7434.1639.9255.341220.521516 1 1/8 5.75 6.757.2564.4151.2658.778.91423 2.1216.2520 1 1/8 6.2577.588.372.1283.46107.051625.5 2.2518.520 1 1/4 6.57.58112.9490.4106.14139.251828 2.382124 1 1/4 6.757.758.25138.34109133.95176.92030.5 2.52324 1 1/47.2588.75167.37136157.65223.172432 2.7527.2524 1 1/28910235.41204240.4342DRILLING Welding Neck Slip-onandThreaded Lap Joint Blind 0.25"Raised Face Male-Female Tongue-Groovee Ring Joint kg kg kg kg 1/2 3.750.56 1.384 1/23 2.7530.90.910.80.91 3/4 4.620.62 1.694 5/8 3.5 3.25 3.5 1.59 1.4 1.36 1.41 4.880.6924 5/8 3.5 3.25 3.5 1.9 1.7 1.59 1.811 1/4 5.250.81 2.54 5/8 3.75 3.5 3.75 2.49 2.27 2.04 2.41 1/2 6.120.88 2.884 3/4 4.254 4.25 3.63 3.1 2.95 3.42 6.51 3.628 5/8 4.254 4.25 4.54 3.63 3.63 4.42 1/27.5 1.12 4.128 3/4 4.75 4.5 4.75 6.35 5.44 4.99 6.838.25 1.2558 3/45 4.7558.157.26 6.358.93 1/29 1.38 5.58 7/8 5.5 5.25 5.511.89.539.0813.17Thick-ness O.D. ofRaisedFaceBOLTING APPROXIMATE WEIGHTNumber of Holes Diam. of Bolts Stud Bolt LengthNominal Pipe Size Outside Diam.410.75 1.5 6.198 7/8 5.75 5.5 5.7516.7814.9714.0618.6513 1.757.3181 6.5 6.25 6.530.8728.527.530.84614 1.888.5121 6.75 6.5 6.7536.7736.3235.3838816.5 2.1910.6212 1 1/87.57.257.7550.84450.862.21020 2.512.7516 1 1/48.58.258.586.2676.2741021222 2.621520 1 1/48.758.58.75102.5197.52108.861321423.75 2.7516.2520 1 3/89.2599.25121.561021111581627318.520 1 1/2109.7510177.06149.82165.71224.731829.25 3.252120 1 5/810.7510.510.75215.65180.11942852032 3.52324 1 5/811.251111.5267.86231.54258.783652437427.2524 1 7/81312.7513.25372330362533.45DRILLING Welding Neck Slip-onandThreaded Lap Joint Blind 0.25"Raised Face Male-Female Tongue-Groovee Ring Joint kg kg kg kg 1/2 4.750.88 1.384 3/4 4.254 4.25 2.1 1.81 1.81 1.9 3/4 5.121 1.694 3/4 4.5 4.25 4.5 2.72 2.4 2.3 2.71 5.88 1.1224 7/85 4.755 3.86 3.41 3.4 4.091 1/4 6.25 1.12 2.54 7/85 4.755 4.54 4.1 4.09 4.541 1/27 1.25 2.8841 5.5 5.25 5.5 5.9 5.45 5.4 5.9Nominal Pipe Size Outside Diam.Thick-ness O.D. ofRaisedFaceBOLTING APPROXIMATE WEIGHTNumber of Holes Diam. of Bolts Stud Bolt Length28.5 1.5 3.628 7/8 5.75 5.5 5.7510.899.989.5311.342 1/29.62 1.62 4.1281 6.256 6.2516.3315.813.151639.5 1.558 7/8 5.75 5.5 5.751511.811.3413.17411.5 1.75 6.198 1 1/8 6.75 6.5 6.7523.1323.222.624.5513.7527.318 1 1/47.57.257.538.537.6536.7439.46615 2.198.512 1 1/87.57.257.7549.8948.347.551.5818.5 2.510.6212 1 3/88.758.58.7579.457586891021.5 2.7512.7516 1 3/89.2599.25118.04111.13125.64131.541224 3.121520 1 3/8109.75101571461671871425.25 3.3816.2520 1 1/210.7510.511.5181.6172.36180.07224.071627.75 3.518.520 1 5/811.251111.75224.73192.95211.11272.4183142120 1 7/812.7512.513.25308.72272.4295.1385.92033.75 4.252320213.7513.514.25376.82331.42367.744882441 5.527.2520 2 1/217.251718685632700905DRILLING Welding Neck Slip-onandThreaded Lap Joint Blind 0.25"Raised Face Male-Female Tongue-Groovee Ring Joint kg kg kg kg 1/2 4.750.88 1.384 3/4 4.254 4.25 2.1 1.8 1.8 1.81 3/4 5.121 1.694 3/4 4.5 4.25 4.5 2.72 2.27 2.27 2.811 5.88 1.1224 7/85 4.755 3.86 3.4 3.4 3.61BOLTING APPROXIMATE WEIGHTNumber of Holes Diam. of Bolts Stud Bolt LengthOutside Diam.Thick-ness O.D. ofRaisedFaceNominal Pipe Size1 1/4 6.251.122.54 7/85 4.755 4.54 4.1 4.09 4.991 1/27 1.25 2.8841 5.5 5.25 5.5 5.9 5.45 5.4 6.7628.5 1.5 3.628 7/8 5.75 5.5 5.7510.8910.59.5310.892 1/29.62 1.62 4.1281 6.256 6.2516.3415.813.1516.34310.5 1.8858 1 1/87 6.75721.7921.7717.24-412.25 2.12 6.198 1 1/47.757.57.7531.33129-514.75 2.887.318 1 1/29.759.59.7559.0258.854-615.5 3.258.512 1 3/810.251010.574.917462-819 3.610.6212 1 5/811.511.2512.75123.83117.73129.73-1023 4.2512.7512 1 7/813.251313.5205.93197.49220.19-1226.5 4.881516214.7514.515.25306264286.02-1429.5 5.2516.2516 2 1/41615.7516.75416-404.06-1632.5 5.7518.516 2 1/217.517.2518.5567.5-522.1-1836 6.382116 2 3/419.519.2520.75736-669.65-2038.7572316321.252122.25929-805.85-2446827.2516 3 1/224.252425.51504-1285.55-300300300400400400600600600 1/2R11R12R13 1.344 1.563 1.563 1.6880.2810.3440.3440.344 3/4R13R14R16 1.688 1.75 1.7520.3440.3440.3440.3441R16R16R18222 2.3750.3440.3440.3440.3441 1/4R18R18R21 2.375 2.375 2.375 2.8440.3440.3440.3440.469150025009001500250090015002500NominalPipe SizeRing NumberGroove DimensionsPitch Diameter Width 90050.3120.3120.3120.50.030.030.030.068.258.599.5 60.3120.3120.3750.50.030.030.060.069.59.59.7511 80.3120.3120.4380.5620.030.030.060.0611.8812.1212.513.38 100.3120.3120.4380.6880.030.030.060.091414.2514.6316.75 120.3120.3120.5620.6880.030.030.060.0916.2516.517.2519.5 140.3120.4380.6250.030.060.091818.3819.25160.3120.4380.6880.030.060.092020.6221.5180.3120.50.6880.030.060.0922.6323.3824.13200.3750.50.6880.060.060.092525.526.5240.4380.6250.8120.060.090.0929.530.3831.25Socket Weldingkg 0.47 0.590.871.111.452.333.554.024.995.996.687.99 13.29。
800-543-9038 866-805-7089 203-791-8396Technical Data Servicechilled, hot water, 60% glycol, steam to 50 psi Flow characteristic modifi ed equal percentage, unidirectional Controllable fl ow range 82°Sizes2” to 24"Type of end fi tting for use with ASME/class 125/150 fl angeMaterials Body Disc Seat ShaftGland seal Bushingscarbon steel full lug 316 stainless steel RPTFE17-4 PH stainless PTFEglass backed PTFEMedia temperature range -20°F to 400°F [-30°C to 204°C]Body pressure rating ANSI Class 150Close-off pressure 285 psiRangeability100:1 (for 30 deg to 70 deg range)Maximum velocity 32 FPS Leakagebubble tight•Bubble tight shut-off to ANSI Class 150 Standards •Long stem design allows for 2” insulation minimum• Valve Face-to-face dimensions comply with API 609 & MSS-SP-68•Designed to be installed between ASME/ANSI B16.5 Flanges •Completely assembled and tested, ready for installationApplicationThese valves are designed to meet the needs of HVAC and Commercial applications requiring positive shut-off for liquids at higher pressures and temperatures. Typical applications include chiller isolation, cooling tower isolation, change-over systems, large air handler coil control, bypass and process control applications. The large C v values provide for an economical control valve solution for larger fl ow applications.Dead End ServiceUtilizes larger retainer ring set screws to allow the valve to be placed at the end of the line without a down stream fl ange in either fl ow direction while still holding full pressure.MOD ON/OFF ValveSize C v 10°20°30°40°50°60°70°80°90°F650-150SHP 2”102 1.50 6.10142639567799102F665-150SHP 2½”146 2.208.8020375580110142146F680-150SHP 3”228 3.4014325787125171221228F6100-150SHP 4”451 6.802763114171248338437451F6125-150SHP 5”7141143100180271393536693714F6150-150SHP 6”1103176615427841960782710701103F6200-150SHP 8”2064311242895207841135154820022064F6250-150SHP 10”35175321149288613361934263834113517F6300-150SHP 12”483773290677121918382660362846924837F6350-150SHP 14”685790392914164624813592489865306857F6400-150SHP 16”92871325311230222933614865663488459287F6450-150SHP 18”11400171684159638734332627085501127011400F6500-150SHP 20”144202078281932347852447590103501380014420F6600-150SHP 24”22050315126029405292789011550157502100022050F6 Series 2-Way, ANSI Class 150 Butterfl y Valve Reinforced Tefl on Seat, 316 Stainless Disc2-way ValvesSuitable ActuatorsValve Nominal SizeType Non Fail-SafeFail-SafeSpring Return Electronic C v90°C v 60°Inches ANSI 150 2-way 150150150102562F650-150SHPG M S e r i e sP R S e r i e sA F S e r i e sG K S e r i e s146802½F665-150SHP2281253F680-150SHP 4512484F6100-150SHP 7143925F6125-150SHP P K R 11036076F6150-150SHP 206411358F6200-150SHP S Y S e r i e s (2 Y e a r W a r r a n t y )3517193410F6250-150SHP 4837266012F6300-150SHP 6857359214*F6350-150SHP 9287486516*F6400-150SHP 11400627018*F6450-150SHP 14420759020*F6500-150SHP 220501155024*F6600-150SHP866-805-7089 203-791-8396 LATIN AMERICA / CARIBBEANMaximum Dimensions (Inches)F650-150SHP 2”102 1.759.009.0019.50 4.7545/8-11 UNC 2*AF150Spring Return F665-150SHP 2½”146 1.889.009.0020.00 5.5045/8-11 UNC 150F680-150SHP 3”2281.929.009.0020.50 6.0045/8-11 UNC 150F6100-150SHP4”451 2.139.009.0021.007.5085/8-11 UNC 150F650-150SHP 2”102 1.759.009.0019.50 4.7545/8-11 UNC GK 285Electronic Fail-Safe F665-150SHP 2½”146 1.889.009.0020.00 5.5045/8-11 UNC 285F680-150SHP 3”228 1.929.009.0020.50 6.0045/8-11 UNC 285F6100-150SHP 4”451 2.139.009.0021.007.5085/8-11 UNC 150F6100-150SHP 4”4512.139.009.0021.007.5085/8-11 UNC 2*GK 285F650-150SHP2”102 1.759.009.0019.50 4.7545/8-11 UNC GM 285Non-Spring Return Electronic Fail-Safe (K)F665-150SHP 2½”146 1.889.009.0020.00 5.5045/8-11 UNC 285F680-150SHP 3”228 1.929.009.0020.50 6.0045/8-11 UNC 285F6100-150SHP 4”451 2.139.009.0021.007.5085/8-11 UNC 150F6100-150SHP 4”451 2.139.009.0021.007.5085/8-11 UNC 2*GM285F650-150SHP 2”1021.7510.0015.0014.00 4.7545/8-11 UNC PR/PK285F665-150SHP2½”146 1.8810.0016.0014.00 5.5045/8-11 UNC 285F680-150SHP 3”2281.9210.0017.0015.00 6.0045/8-11 UNC 285F6100-150SHP4”451 2.1310.0018.0016.007.5085/8-11 UNC 285F6125-150SHP 5”7142.2510.0019.0016.008.5083/4-10 UNC 285F6150-150SHP6”1103 2.2910.0020.0017.009.5083/4-10 UNC 285F6200-150SHP 8”20642.5012.0012.0032.0011.7583/4-10 UNC SY4…285F6250-150SHP 10”3517 2.8112.0012.0033.0014.25127/8-9 UNC SY4…285F6300-150SHP 12”4837 3.2312.0012.0035.0017.00127/8-9 UNC SY4…150SY5…285F6350-150SHP 14”6857 3.6214.0014.0036.0018.75121-8 UNC SY5…150SY7…285150F6400-150SHP 16”9287 4.0014.0014.0037.5021.25161-8 UNC SY8…285F6450-150SHP 18”11400 4.5014.0014.0042.2522.7516 1 1/8-8 UNC SY7…150SY8…285F6500-150SHP 20”14420 5.0014.0014.0049.5025.0020 1 1/8-8 UNC SY8…150SY10…285F6600-150SHP24”220506.0614.0014.0056.2529.50201 1/4-8 UNCSY10…150F6 Series 2-Way, ANSI Class 150 Butterfl y ValveReinforced Tefl on Seat, 316 Stainless DiscDimension “A” does not include flange gaskets. (2 required per valve)Application Notes1. Valves are rated at 285 psi differential pressure in the closed position @ 100°F media temperature.2. V alves are furnished with lugs tapped for use between ANSI Class 125/150fl anges conforming to ANSI B16.5 Standards.3. 2-way assemblies are furnished assembled, calibrated and tested, ready for installation.4. D imension “D” allows for actuator(s) removal without the need to remove the valve from the pipe.5. W eather shields are available, dimensional data furnished upon request.6. F lange gaskets (2 required, not provided with valve) MUST be used between valve and ANSI fl ange.7. F lange bolts are not included with the valve. These are furnished by others.DB CABHCSHP seriesvalves have a preferred flow direction.P r e f e r r e d F l o w r a t ePRBUP-3-TApplicationOn/Off, Floating Point, Non Fail-Safe, 24...240 V, NEMA 4XTechnical dataElectrical dataNominal voltageAC 24...240 V / DC 24...125 V Nominal voltage frequency 50/60 Hz Power consumption in operation 20 W Power consumption in rest position 6 WTransformer sizing 20 VA @ AC/DC 24 V (class 2 power source), 23 VA @ AC/DC 120 V, 52 VA @ AC 230 V Auxiliary switch2 x SPDT,3 A resistive (0.5 A inductive) @ AC 250 V, 1 x 10° / 1 x 0...90° (default setting 85°)Switching capacity auxiliary switch 3 A resistive (0.5 A inductive) @ AC 250 V Electrical Connection Terminal blocks, (PE) Ground-Screw Overload Protectionelectronic thoughout 0...90° rotation Functional dataDirection of motion motor reversible with app Manual override 7 mm hex crank, supplied Angle of rotation 90°Running Time (Motor)35 s Noise level, motor 68 dB(A)Position indicationintegral pointer Safety dataDegree of protection IEC/EN IP66/67Degree of protection NEMA/UL NEMA 4XEnclosure UL Enclosure Type 4XAgency ListingcULus acc. to UL60730-1A/-2-14, CAN/CSA E60730-1:02, CE acc. to 2014/30/EU and 2014/35/EU Quality Standard ISO 9001Ambient temperature -22...122°F [-30...50°C]Ambient humidity Max. 100% RH Servicingmaintenance-free Weight Weight13 lb [5.9 kg]MaterialsHousing materialdie cast aluminium polycarbonate coverProduct featuresPR Series valve actuators are designed with an integrated linkage and visual position indicators. For outdoor applications, the installed valve must be mounted with the actuator at or above horizontal. For indoor applications the actuator can be in any location including directly under the valve.PRBUP-3-T Operation The PR series actuator provides 90° of rotation and a visual indicator shows the position of thevalve. The PR Series actuator uses a low power consumption brushless DC motor and iselectronically protected against overload. A universal power supply is furnished to connectsupply voltage in the range of AC 24...240 V and DC 24...125 V. Included is a smart heater withthermostat to eliminate condensation. Two auxiliary switches are provided; one set at 10° openand the other is field adjustable. Running time is field adjustable from 30...120 seconds by usingthe Near Field Communication (NFC) app and a smart phone.†Use 60°C/75°C copper wire size range 12...28 AWG, stranded or solid. Use flexible metalconduit. Push the listed conduit fitting device over the actuator’s cable to butt against theenclosure. Screw in conduit connector. Jacket the actuators input wiring with listed flexibleconduit. Properly terminate the conduit in a suitable junction box. Rated impulse Voltage 4000V. Type of action 1. Control pollution degree 3.AccessoriesMechanical accessories Description TypeHand crank for PR, PKR, PM ZG-HND PR Electrical installationMeets cULus requirements without the need of an electrical ground connection.Universal Power Supply (UP) models can be supplied with 24 VAC up to 240 VAC, or 24 VDC upto 125 VDC.Disconnect power.Provide overload protection and disconnect as required.Two built-in auxiliary switches (2x SPDT), for end position indication, interlock control, fanstartup, etc.Actuators may be controlled in parallel. Current draw and input impedance must be observed.Warning! Live electrical components!During installation, testing, servicing and troubleshooting of this product, it may be necessaryto work with live electrical components. Have a qualified licensed electrician or other individualwho has been properly trained in handling live electrical components perform these tasks.Failure to follow all electrical safety precautions when exposed to live electrical componentscould result in death or serious injury.Wiring diagramsOn/OffPRBUP-3-T On/OffFloating Point Auxiliary SwitchesDimensionsDimensional drawings。
烟气管道大小头的标准
烟气管道的大小头是指管道的两端连接口的规格。
烟气管道的大小头标准通常根据管道的直径和压力等级来确定。
以下是一些常见的烟气管道大小头标准：
1. 美国标准：
- ANSI标准：常用的ANSI标准包括ANSI B16.5、ANSI
B16.9和ANSI B16.11等。
ANSI B16.5适用于焊接法兰连接，ANSI B16.9适用于焊接和无缝连接，而ANSI B16.11适用于
螺纹和焊接连接。
- ASME标准：ASME标准主要应用于高温和高压的管道系统，其中ASME B16.5适用于焊接法兰连接，ASME B16.9适
用于无缝和焊接连接，而ASME B16.11适用于螺纹和焊接连接。
2. 欧洲标准：
- EN标准：欧洲标准主要由EN 1092和EN 10253等组成。
EN 1092适用于法兰连接，EN 10253适用于管件连接。
- DIN标准：德国标准化学会（DIN）发布了一系列标准，
如DIN 2632和DIN 2605等。
这些标准适用于焊接和无缝连接。
3. 中国标准：
- GB标准：国家标准化管理委员会发布了一系列GB/T标准，如GB/T 9112和GB/T 12459等。
GB/T 9112适用于法兰连接，GB/T 12459适用于焊接和无缝连接。
- GB标准也对一些特殊工况的烟气管道连接提供了规范，如GB/T 14383适用于高温高压炉排管道的连接。
需要注意的是，烟气管道的大小头标准可能因不同地区、企业或项目而有所差异。
建议在具体应用中参考相关标准和规范。
