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Long Weld Neck Flanges

ASME SA182 Duplex 2205 Long Weld Neck Flanges, UNS S30400 Long Weld Neck Flanges, UNS N08904 Long Weld Neck Flanges, DIN 1.4301 Long Weld Neck Flanges, ASME SA182 SS 316 Long Weld Neck Flanges.

long-weld-flange-image

About Long Weld Neck Flanges

NISSAN STEEL Manufacturer supplier of SS, High nickel and Duplex / Super duplex Flanges, for enquiry contact on email: sales@nissansteel.com, export@nissansteel.com, nissansteels@gmail.com

WRN 2.4856 Long Weld Neck Flanges Manufacturer, UNS N06625 Long Weld Neck Flanges Exporter, Inconel 625 Long Weld Neck Flanges Exporter

Specification of Long Weld Neck Flanges

StandardsANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Size Chart1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Pressure Calculation in DIN6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 Long Weld Neck Flange
Pressure Rating ANSIClass 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Long Weld Neck Flange
UNI6Bar 10Bar 16Bar 25Bar 40Bar Long Weld Neck Flange
JIS5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K Long Weld Neck Flange
CoatingOil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized Long Weld Neck Flange
EN6Bar 10Bar 16Bar 25Bar 40Bar Long Weld Neck Flange
Most common types of Long Weld Neck FlangeForged / Threaded / Screwed / Plate
Connect Type/ Flange Face TypeRaised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove

Dimensions Standard Of Long Weld Neck Flanges

Class 150 Long Weld Neck Flange Dimensions

Size in InchSize in mmOuter Dia.Flange Thick.Hub ODWeld Neck ODRF Dia.RF HeightPCDHub LengthNo of BoltsBolt Size UNCMachine Bolt LengthRF Stud LengthHole SizeISO Stud Size
  ABCDEFGH      
1/215909.63021.334.9260.3As Required41/250555/8M14
3/42010011.23826.742.9269.9As Required41/250655/8M14
12511012.74933.450.8279.4As Required41/255655/8M14
1 1/43211514.35942.263.5288.9As Required41/255705/8M14
1 1/24012515.96548.373298.4As Required41/265705/8M14
25015017.57860.392.12120.7As Required45/870853/4M16
2 1/26518020.79073104.82139.7As Required45/875903/4M16
38019022.310888.91272152.4As Required45/875903/4M16
3 1/29021522.3122101.6139.72177.8As Required85/875903/4M16
410023022.3135114.3157.22190.5As Required85/875903/4M16
512525522.3164141.3185.72215.9As Required83/485957/8M20
615028023.9192168.3215.92241.3As Required83/4851007/8M20
820034527246219.1269.92298.5As Required83/4901107/8M20
1025040528.6305273323.82362As Required127/81001151M24
1230048530.2365323.83812431.8As Required127/81001201M24
1435053533.4400355.6412.82476.3As Required1211151351 1/8M27
1640059535457406.4469.92539.8As Required1611151351 1/8M27
1845063538.1505457.2533.42577.9As Required161 1/81251451 1/4M30
2050070041.3559508584.22635As Required201 1/81401601 1/4M30
2460081546.1663610692.22749.3As Required201 1/41501701 3/8M33

Class 300 Long Weld Neck Flange Dimensions

Size in InchSize in mmOuter Dia.Flange Thick.Hub ODWeld Neck ODRF Dia.RF HeightPCDHub LengthNo of BoltsBolt Size UNCMachine Bolt LengthRF Stud LengthHole SizeISO Stud Size
  ABCDEFGH      
1/2159512.73821.334.9266.7As Required41/255655/8M14
3/42011514.34826.742.9282.6As Required45/865753/4M16
12512515.95433.450.8288.9As Required45/865753/4M16
1 1/43213517.56442.263.5298.4As Required45/870853/4M16
1 1/24015519.17048.3732114.3As Required43/475907/8M20
25016520.78460.392.12127As Required85/875903/4M16
2 1/26519023.910073104.82149.2As Required83/4851007/8M20
3802102711788.91272168.3As Required83/4901107/8M20
3 1/29023028.6133101.6139.72184.2As Required83/4951107/8M20
410025530.2146114.3157.22200As Required83/4951157/8M20
512528033.4178141.3185.72235As Required83/41101207/8M20
615032035206168.3215.92269.9As Required123/41101207/8M20
820038039.7260219.1269.92330.2As Required127/81201401M24
1025044546.1321273323.82387.4As Required1611401601 1/8M27
1230052049.3375323.83812450.8As Required161 1/81451701 1/4M30
1435058552.4425355.6412.82514.4As Required201 1/81601801 1/4M30
1640065055.6483406.4469.92571.5As Required201 1/41651901 3/8M33
1845071058.8533457533.42628.6As Required241 1/41701951 3/8M33
2050077562587508584.22685.8As Required241 1/41852051 3/8M33
2460091568.3702610692.22812.8As Required241 1/22052301 5/8M39

Class 400 Long Weld Neck Flange Dimensions

Size in InchSize in mmOuter Dia.Flange Thick.Hub ODWeld Neck ODRF Dia.RF HeightPCDHub LengthNo of BoltsBolt Size UNCRF Stud LengthHole SizeISO Stud Size
  ABCDEFGH     
1/2159514.33821.334.9766.7As Required41/2755/8M14
3/42011515.94826.742.9782.6As Required45/8903/4M16
12512517.55433.450.8788.9As Required45/8903/4M16
1 1/43213520.76442.263.5798.4As Required45/8953/4M16
1 1/24015522.37048.3737114.3As Required43/41107/8M20
25016525.48460.392.17127As Required85/81103/4M16
2 1/26519028.610073104.87149.2As Required83/41207/8M20
38021031.811788.91277168.3As Required83/41257/8M20
3 1/29023035133101.6N/A7184.2As Required87/81401M24
410025535146114.3157.27200As Required87/81401M24
512528038.1178141.3185.77235As Required87/81451M24
615032041.3206168.3215.97269.9As Required127/81501M24
820038047.7260219.1269.97330As Required1211701 1/8M27
1025044554321273323.87387.4As Required161 1/81901 1/4M30
1230052057.2375323.83817450.8As Required161 1/42051 3/8M33
1435058560.4425355.6412.87514.4As Required201 1/42101 3/8M33
1640065063.5483406.4469.97571.5As Required201 3/82201 1/2M36
1845071066.7533457533.47628.6As Required241 3/82301 1/2M36
2050077569.9587508584.27685.8As Required241 1/22401 3/4M39
2460091576.2702610692.27812.8As Required241 3/42651 7/8M45

Class 600 Long Weld Neck Flange Dimensions

Size in InchSize in mmOuter Dia.Flange Thick.Hub ODWeld Neck ODRF Dia.RF HeightPCDHub LengthNo of BoltsBolt Size UNCRF Stud LengthHole SizeISO Stud Size
  ABCDEFGH     
1/2159514.33821.334.9766.7As Required41/2755/8M14
3/42011515.94826.742.9782.6As Required45/8903/4M16
12512517.55433.450.8788.9As Required45/8903/4M16
1 1/43213520.76442.263.5798.4As Required45/8953/4M16
1 1/24015522.37048.3737114.3As Required43/41107/8M20
25016525.48460.392.17127As Required85/81103/4M16
2 1/26519028.610073104.87149.2As Required83/41207/8M20
38021031.811788.91277168.3As Required83/41257/8M20
3 1/29023035133101.6N/A7184.2As Required87/81401M24
410027538.1152114.3157.27215.9As Required87/81451M24
512533044.5189141.3185.77266.7As Required811651 1/8M27
615035547.7222168.3215.97292.1As Required1211701 1/8M27
820042055.6273219.1269.97349.2As Required121 1/81901 1/4M30
1025051063.5343273323.87431.8As Required161 1/42151 3/8M33
1230056066.7400323.83817489As Required201 1/42201 3/8M33
1435060569.9432355.6412.87527As Required201 3/82351 1/2M36
1640068576.2495406.4469.97603.2As Required201 1/22551 5/8M39
1845074582.6546457533.47654As Required201 5/82751 3/4M42
2050081588.9610508584.27723.9As Required241 5/82851 3/4M42

Class 900 Long Weld Neck Flange Dimensions

Size in InchSize in mmOuter Dia.Flange Thick.Hub ODWeld Neck ODRF Dia.RF HeightPCDHub LengthNo of BoltsBolt Size UNCRF Stud LengthHole SizeISO Stud Size
  ABCDEFGH     
1/21512022.33821.334.9782.6As Required43/41107/8M20
3/42013025.44426.742.9788.9As Required43/41157/8M20
12515028.65233.450.87101.6As Required47/81251M24
1 1/43216028.66442.263.57111.1As Required47/81251M24
1 1/24018031.87048.3737123.8As Required411401 1/8M27
25021538.110560.392.17165.1As Required87/81451M24
2 1/26524541.312473104.87190.5As Required811601 1/8M27
38024038.112788.91277190.5As Required87/81451M24
410029044.5159114.3157.27235As Required81 1/81701 1/4M30
512535050.8190141.3185.77279.4As Required81 1/41901 3/8M33
615038055.6235168.3215.97317.5As Required121 1/81901 1/4M30
820047063.5298219.1269.97393.7As Required121 3/82201 1/2M36
1025054569.9368273323.87469.9As Required161 3/82351 1/2M36
1230061079.4419323.83817533.4As Required201 3/82551 1/2M36
1435064085.8451355.6412.87558.8As Required201 1/22751 5/8M39
1640070588.9508406.4469.97616As Required201 5/82851 3/4M42
18450785101.6565457533.47685.8As Required201 7/83252M48
20500855108622508584.27749.3As Required2023502 1/8M52
246001040139.7749610692.27901.7As Required202 1/24402 5/8M64

Class 1500 Long Weld Neck Flanges Dimensions

Size in InchSize in mmOuter Dia.Flange Thick.Hub ODWeld Neck ODRF Dia.RF HeightPCDHub LengthNo of BoltsBolt Size UNCRF Stud LengthHole SizeISO Stud Size
  ABCDEFGH     
1/21512022.33821.334.9782.6As Required43/41107/8M20
3/42013025.44426.742.9788.9As Required43/41157/8M20
12515028.65233.450.87101.6As Required47/81251M24
1 1/43216028.66442.263.57111.1As Required47/81251M24
1 1/24018031.87048.3737123.8As Required411401 1/8M27
25021538.110560.392.17165.1As Required87/81451M24
2 1/26524541.312473104.87190.5As Required811601 1/8M27
38026547.713388.91277203.2As Required81 1/81801 1/4M30
410031054162114.3157.27241.3As Required81 1/41951 3/8M33
512537573.1197141.3185.77292.1As Required81 1/22501 5/8M39
615039582.6229168.3215.97317.5As Required121 3/82601 1/2M36
820048592.1292219.1269.97393.7As Required121 5/82901 3/4M42
10250585108368273323.87482.6As Required121 7/83352M48
12300675123.9451323.83817571.5As Required1623752 1/8M52
14350750133.4495355.6412.87635As Required162 1/44052 3/8M56
16400825146.1552406.4469.97704.8As Required162 1/24452 5/8M64
18450915162597457533.47774.7As Required162 3/44952 7/8M72
20500985177.8641508584.27831.8As Required1635403 1/8M76
246001170203.2762610692.27990.6As Required163 1/26153 5/8M90

Class 2500 Long Weld Neck Flanges Dimensions

Size in InchSize in mmOuter Dia.Flange Thick.Hub ODWeld Neck ODRF Dia.RF HeightPCDHub LengthNo of BoltsBolt Size UNCRF Stud LengthHole SizeISO Stud Size
  ABCDEFGH     
1/21513530.24321.334.9788.9As Required43/41207/8M20
3/42014031.85126.742.9795.2As Required43/41257/8M20
125160355733.450.87108As Required47/81401M24
1 1/43218538.17342.263.57130.2As Required411501 1/8M27
1 1/24020544.57948.3737146As Required41 1/81701 1/4M30
25023550.99560.392.17171.4As Required811801 1/8M27
2 1/26526557.211473104.87196.8As Required81 1/81951 1/4M30
38030566.713388.91277228.6As Required81 1/42201 3/8M33
410035576.2165114.3157.27273As Required81 1/22551 5/8M39
512542092.1203141.3185.77323.8As Required81 3/43001 7/8M45
6150485108235168.3215.97368.3As Required823452 1/8M52
8200550127305219.1269.97438.2As Required1223802 1/8M52
10250675165.1375273323.87539.8As Required122 1/24902 5/8M64
12300760184.2441323.83817619.1As Required122 3/45402 7/8M72

Size Of Long Weld Neck Flanges

Normal SizesOutside Daimeter (O.D.)Schedule 10Schedule 20Schedule 30Schedule 40Schedule 60Schedule 80Schedule 100Schedule 120Schedule 140Schedule 160
½0.840.083......0.109...0.147.........0.188
¾1.050.083......0.113...0.154.........0.219
11.3150.109......0.133...0.179.........0.25
1 ¼1.660.109......0.14...0.191.........0.25
1 ½1.90.109......0.145...0.2.........0.281
22.3750.109......0.154...0.218.........0.344
2 ½2.8750.12......0.203...0.276.........0.375
33.50.12......0.216...0.3.........0.438
3 ½40.12......0.226...0.318............
44.50.12......0.237...0.337...0.438...0.531
55.5630.134......0.258...0.375...0.5...0.625
66.6250.134......0.28...0.432...0.562...0.719
88.6250.1480.250.2770.3220.4060.50.5940.7190.8120.906
1010.750.1650.250.3070.3650.50.5940.7190.84411.125
1212.750.180.250.330.4060.5620.6880.84411.1251.312
14140.250.3120.3750.4380.5940.750.9381.0941.251.406
16160.250.3120.3750.50.6560.8441.0311.2191.4381.594
18180.250.3120.4380.5620.750.9381.1561.3751.5621.781
20200.250.3750.50.5940.8121.0311.2811.51.751.969
22220.25..............................
24240.250.3750.5620.6880.9691.2191.5311.8122.0622.344
2626........................................
30300.3120.50.625............................
36360.3120.50.6250.75........................
4040........................................
4242……..……..……..……..……..……..……..……..……..……..
4848……..……..……..……..……..……..……..……..……..……..

Weight Chart Of Long Weld Neck Flanges

Nominal Pipe Sizes (NPS)Slip On (SORF)Threaded (NPT)Socket Weld (SWRF)Lap Joint (Loose)Blind (BLRF)Weld Neck (WRNR)
½112122
¾222222
1222223
333333
333344
2555556
8888710
39999911.5
111211111312
4131313131716.5
5151515152021
6191919192726
8303030304742
10434343437054
126464646412388
14909090105140114
161069898140180140
18130130130160220165
20165165165195285197
22185185185245355225
24220220220275430268

Pressure Rating Of Long Weld Neck Flanges

Temperature (°C)Class 150Class 300Class 400Class 600Class 900Class 1500Class 2500
-29 - 3819.851.768.9103.4155259431
5019.551.768.9103.4155259431
10017.751.568.7103.0155258429
15015.850.266.8100.3151251418
20013.848.664.897.2146243405
25012.146.361.792.7139232386
30010.242.957.085.7129214357
3259.341.455.082.6124207344
3508.440.053.480.0120200334
3757.437.850.475.7114189315
4006.534.746.369.4104174290
4255.528.838.457.586.3144240
4504.623.030.746.069.0115192
4753.717.122.834.251.385.4142
5002.811.615.423.234.757.996.5
5381.45.97.911.817.729.549.2

Price Of Long Weld Neck Flanges

Stainless Steel FlangesUSD $2.05 - $10.06 / Piece (FOB Price) on request
High Nickel Alloys FlangesUSD $8.10 - $20.20 / Piece (FOB Price) on request
Duplex & Super Duplex FlangeUSD $10.20 - $35.50 / Piece (FOB Price) on request
Cupro Nickel FlangesUSD $5.19 - $10.48 / Piece (FOB Price) on request
Carbon Steel FlangesUSD $2.08 - $7.10 / Piece (FOB Price) on request

Application Of Long Weld Neck Flanges

We make sure that our every product is made of high quality raw material. We thoroughly test each and every product before dispatching it to our customers.

Testing Of Long Weld Neck Flanges

We known for its accurate and perfect dimensions. We thoroughly test all our products before shipping them to the customers. We carry out destructive as well as non-destructive tests on all our products.

Packing Of Long Weld Neck Flanges

We uses the most safest and the most effective ways of packaging for all types of deliveries. We pack our goods in various ways such as: