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ASME B16.5 Weld Neck Flange

ASME B16.5 Weld Neck Flange

Buy ASME B16.5 Weld Neck Flange at best price in India, Manufacturer of Stainless Steel Flat Face Weld Neck Flange & Carbon Steel WNRF Flanges in India, Check Class 150/ 300 LWNRF Flange Dimensions.

Types of Flanges

Gallery

ASME B16.5 Weld Neck Flange in Detail

Specification

Features & Applications

Features of WNRF Flange

  • High-pressure And High/low Temperatures
  • Unrestricted Flow Of The Fluid Conveyed By The Piping System
  • Absence Of Pressure Drops Prevents Negative Effects As Turbulence And Erosion/corrosion
  • Tapered Hub Allows A Smooth Distribution Of The Mechanical Stress

Raised Face Weld Neck Flange Applications

  • Medical
  • Mining
  • Petroleum Refining
  • Pharmaceutical Processing
  • Power Generation—nuclear
  • Pulp and Paper

Technical Data

Full Specifications

Finishes & Forms

Specification Format of ASME B16.5 Weld Neck Flange

col_1col_2
Size1/2" (15 NB) to 48" (1200NB)
Pressure RatingsPN6, PN10, PN16, PN25, PN40, PN64 etc.
Pressure class150#, 300#, 600#, 1500#
StandardsANSI B16.47 Series A & B, ANSI B16.5, MSS SP44, ASA, API-605, AWWA, Custom Drawings.
Dimensions and Pressure RatingsTable D, E, F, & H, ANSI, BS4504, MSS- SP-44, BS3293, PN6, 10, 16, 25, 64 BS10, DIN Standards
TestHydrostatic testing machine, X-ray detector, Direct-reading Spectrograph, UI trasonic flaw detector, Magnetic particle detector
Flange Face Type ManufacturerFlate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)
Export toSaudi Arabia, Egypt, Ireland, Iran, Ukraine, USA, Spain, Dubai, Singapore, Canada, India, Brazil, Indonesia, Korea, Oman, Thailand, Peru, etc
Coating/Surface TreatmentOil Black Paint, Yellow Transparent, Anti-rust Paint, Zinc Plated, Cold and Hot Dip Galvanized.
Dimensions & Weight

Ansi 150 Weld Neck Flange Dimensions

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Flange NPSInside Diameter (ID)FFBolts CircleRFOutsideHRF_2H1T1RF_3Bolts HoleNumber of
8"7.98"3.94"11.75"10.62"13.50"9.69"4.00"8.63"1.06".063".88"8
22"21.25"5.82"27.25"25.25"29.50"24.25"5.88"22.00"1.75".063"1.38"20
14"13.25"4.94"18.75"16.25"21.00"15.75"5.00"14.00"1.32".063"1.12"12
3-1/2"3.55"2.75"7.00"5.50"8.50"4.81"2.81"4.00".88".063".75"8
24"23.25"5.94"29.50"27.25"32.00"26.12"6.00"24.00"1.82".063"1.38"20
1"1.05"2.13"3.12"2.00"4.25"1.94"2.19"1.32".50".063".62"4
4"4.03"2.94"7.50"6.19"9.00"5.31"3.00"4.50".88".063".75"8
6"6.07"3.44"9.50"8.50"11.00"7.56"3.50"6.63".94".063".88"8
2-1/2"2.47"2.69"5.50"4.12"7.00"3.56"2.75"2.88".82".063".75"4
10"10.02"3.94"14.25"12.75"16.00"12.00"4.00"10.75"1.13".063"1.00"12
1-1/4"1.38"2.19"3.50"2.50"4.62"2.31"2.25"1.66".56".063".62"4
12"12.00"4.44"17.00"15.00"19.00"14.38"4.50"12.75"1.19".063"1.00"12
3/4"0.82"2.00"2.75"1.69"3.88"1.50"2.06"1.05".44".063".62"4
2"2.07"2.44"4.75"3.62"6.00"3.06"2.50"2.38".69".063".75"4
5"5.05"3.44"8.50"7.31"10.00"6.44"3.50"5.56".88".063".88"8
18"17.25"5.44"22.75"21.00"25.00"19.88"5.50"18.00"1.50".063"1.25"16
1-1/2"1.61"2.38"3.88"2.88"5.00"2.56"2.44"1.90".62".063".62"4
1/2"0.62"1.82"2.38"1.38"3.50"1.19"1.88"0.84".38".063".62"4
3"3.07"2.69"6.00"5.00"7.50"4.25"2.75"3.50".88".063".75"4
20"19.25"5.63"25.00"23.00"27.50"22.00"5.69"20.00"1.63".063"1.25"20
16"15.25"4.94"21.25"18.50"23.50"18.00"5.00"16.00"1.38".063"1.12"16

Weld Neck Flange Class 300 Dimensions

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Flange NPSInside Diameter (ID)RFHOutsideRF_2H1RF_3Bolts CircleFFBolts HoleT1Number of
12"12.00"15.00"14.75"20.50".063"12.75"5.12"17.75"5.06"1.25"1.94"16
3"3.07"5.00"4.62"8.25".063"3.50"3.12"6.62"3.06"0.88"1.06"8
1-1/4"1.38"2.50"2.50"5.25".063"1.66"2.56"3.88"2.50"0.75".69"4
1"1.05"2.00"2.12"4.88".063"1.32"2.44"3.50"2.38"0.75".63"4
5"5.05"7.31"7.00"11.00".063"5.56"3.88"9.25"3.82"0.88"1.32"8
2-1/2"2.47"4.12"3.94"7.50".063"2.88"3.00"5.88"2.94"0.88".94"8
3-1/2"3.55"5.50"5.25"9.00".063"4.00"3.19"7.25"3.13"0.88"1.13"8
2"2.07"3.62"3.31"6.50".063"2.38"2.75"5.00"2.69"0.75".82"8
6"6.07"8.50"8.12"12.50".063"6.63"3.88"10.62"3.82"0.88"1.38"12
20"19.25"23.00"23.12"30.50".063"20.00"6.38"27.00"6.32"1.38"2.44"24
24"23.25"27.25"27.62"36.00".063"24.00"6.62"32.0"6.56"1.62"2.69"24
8"7.98"10.62"10.25"15.00".063"8.63"4.38"13.00"4.32"1.00"1.56"12
1/2"0.62"1.38"1.50"3.75".063"0.84"2.06"2.62"2.00"0.62".50"4
14"13.25"16.25"16.75"23.00".063"14.00"5.62"20.25"5.56"1.25"2.06"20
16"15.25"18.50"19.00"25.50".063"16.00"5.75"22.50"5.69"1.38"2.19"20
18"17.25"21.00"21.00"28.00".063"18.00"6.25"24.75"6.19"1.38"2.32"24
4"4.03"6.19"5.75"10.00".063"4.50"3.38"7.88"3.32"0.88"1.19"8
10"10.02"12.75"12.62"17.50".063"10.75"4.62"15.25"4.56"1.12"1.82"16
22"21.25"25.25"25.25"33.00".063"22.00"6.50"29.25"6.44"1.62"2.57"24
3/4"0.82"1.69"1.88"4.62".063"1.05"2.25"3.25"2.19"0.75".56"4
1-1/2"1.61"2.88"2.75"6.12".063"1.90"2.69"4.50"2.63"0.88".75"4

Class 400 Weld Neck Flange Dimensions

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Flange NPSInside DiameterFlat Face Thickness (T2)Outside DiameterRaised FaceHBolt CircleRaised Face_2Raised Face Thickness (T)T1H1Bolt HoleNumber of Bolt Holes
3/4".74"2.25"4.62".250"1.88"3.25"1.69"2.50"0.62"1.05"0.75"4
1-1/4"1.28"2.62"5.25".250"2.50"3.88"2.50"2.87"0.81"1.66"0.75"4
8"7.63"4.62"15.00".250"10.25"13.00"10.62"4.87"1.88"8.63"1.12"12
10"9.75"4.88"17.50".250"12.62"15.25"12.75"5.13"2.12"10.75"1.25"16
3"2.90"3.25"8.25".250"4.62"6.62"5.00"3.50"1.25"3.50"0.88"8
2"1.94"2.88"6.50".250"3.31"5.00"3.62"3.13"1.00"2.38"0.75"8
16"15.00"6.00"25.50".250"19.00"22.50"18.50"6.25"2.50"16.00"1.50"20
2-1/2"2.32"3.12"7.50".250"3.94"5.88"4.12"3.37"1.12"2.88"0.88"8
3-1/2"3.36"3.38"9.00".250"5.25"7.25"5.50"3.63"1.38"4.00"1.00"8
20"19.00"6.62"30.50".250"23.12"27.00"23.00"6.87"2.75"20.00"1.62"24
14"13.00"5.88"23.00".250"16.75"20.25"16.25"6.13"2.38"14.00"1.38"20
1/2".55"2.06"3.75".250"1.50"2.62"1.38"2.31"0.56"0.84"0.62"4
6"5.76"4.06"12.50".250"8.12"10.62"8.50"4.31"1.62"6.63"1.00"12
5"4.81"4.00"11.00".250"7.00"9.25"7.31"4.25"1.50"5.56"1.00"8
1-1/2"1.50"2.75"6.12".250"2.75"4.50"2.88"3.00"0.88"1.90"0.88"4
1".96"2.44"4.88".250"2.12"3.50"2.00"2.69"0.69"1.32"0.75"4
4"3.83"3.50"10.00".250"5.75"7.88"6.19"3.75"1.38"4.50"1.00"8
18"17.00"6.50"28.00".250"21.00"24.75"21.00"6.75"2.62"18.00"1.50"24
24"23.00"6.88"36.00".250"27.62"32.00"27.25"7.13"3.00"24.00"1.88"24
12"11.75"5.38"20.50".250"14.75"17.75"15.00"5.63"2.25"12.75"1.38"16
22"21.00"6.75"33.00".250"25.25"29.25"25.25"7.00"2.88"22.00"1.75"24

600# Weld Neck Flange Dimensions

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Flange NPSInside Diameter (ID)RFOutside Diameter(OD)RF_2Bolts Hole (B)H1Bolts Circle (BC)HRF Thickness (T)FF Thickness (T2)T1Number of Bolt Holes
1-1/2"1.50"2.88"6.12".250"0.88"1.90"4.50"2.75"3.00"2.75"0.88"4
4"3.83"6.19"10.75".250"1.00"4.50"8.50"6.00"4.25"4.00"1.5"8
1/2"0.55"1.38"3.75".250"0.62"0.84"2.62"1.50"2.31"2.06"0.56"4
24"23.00"27.25"37.00".250"2.00"24.00"33.00"28.25"8.25"8.00"4.00"24
10"9.75"12.75"20.00".250"1.38"10.75"17.00"13.5"6.25"6.00"2.50"16
3/4"0.74"1.69"4.62".250"0.75"1.05"3.25"1.88"2.50"2.25"0.62"4
18"17.00"21.00"29.25".250"1.75"18.00"25.75"21.50"7.50"7.25"3.25"20
16"15.00"18.50"27.00".250"1.62"16.00"23.75"19.50"7.25"7.00"3.00"20
5"4.81"7.31"13.00".250"1.12"5.56"10.50"7.44"4.75"4.50"1.75"8
6"5.76"8.50"14.00".250"1.12"6.63"11.50"8.75"4.87"4.62"1.88"12
1-1/4"1.28"2.50"5.25".250"0.75"1.66"3.88"2.50"2.87"2.62"0.81"4
3"2.90"5.00"8.25".250"0.88"3.50"6.62"4.62"3.50"3.25"1.25"8
2"1.94"3.62"6.50".250"0.75"2.38"5.00"3.31"3.13"2.88"1.00"8
12"11.75"15.00"22.00".250"1.38"12.75"19.25"15.75"6.37"6.12"2.62"20
3-1/2"3.36"5.50"9.00".250"1.00"4.00"7.25"5.25"3.63"3.38"1.38"8
1"0.96"2.00"4.88".250"0.75"1.32"3.50"2.12"2.69"2.44"0.69"4
8"7.63"10.62"16.50".250"1.25"8.63"13.75"10.75"5.50"5.25"2.19"12
14"13.00"16.25"23.75".250"1.50"14.00"20.75"17.00"6.75"6.50"2.75"20
20"19.00"23.00"32.00".250"1.75"20.00"28.50"24.00"7.75"7.50"3.50"24
22"21.00"25.25"34.25".250"1.75"22.00"30.63"26.25"8.00"7.75"3.75"24
2-1/2"2.32"4.12"7.50".250"0.88"2.88"5.88"3.94"3.37"3.12"1.12"8

900# Weld Neck Flange Dimensions

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Flange NPSInside Diameter (ID)Bolts Circle (BC)RFOutside Diameter (OD)HRF Thickness (T)H1FF Thickness (T2)T1RF_2Bolts Hole (B)Number of Bolt Holes
16"15.00"24.25"18.50"27.75"20.00"8.75"16.00"8.50"3.50".250"1.75"20
3"2.90"7.50"5.00"9.50"5.00"4.25"3.50"4.00"1.50".250"1.00"8
14"13.00"22.00"16.25"25.25"17.75"8.63"14.00"8.38"3.38".250"1.63"20
6"5.76"12.50"8.50"15.00"9.25"5.75"6.63"5.50"2.19".250"1.25"12
5"4.81"11.00"7.31"13.75"7.50"5.25"5.56"5.00"3.00".250"1.38"8
18"17.00"27.00"21.00"31.00"22.25"9.25"18.00"9.00"4.00".250"2.00"20
8"7.63"15.50"10.63"18.50"11.75"6.63"8.63"6.38"2.50".250"1.50"12
20"19.00"29.50"23.00"33.75"24.50"10.00"20.00"9.75"4.25".250"2.13"20
24"23.00"35.50"27.25"41.00"29.50"11.75"24.00"11.50"5.50".250"2.63"20
4"3.83"9.25"6.19"11.50"6.25"4.75"4.50"4.50"1.75".250"1.25"8
10"9.75"18.50"12.75"21.50"14.50"7.50"10.75"7.25"2.75".250"1.50"16
12"11.75"21.00"15.00"24.00"16.50"8.13"12.75"7.88"3.13".250"1.50"20

Class 1500 Weld Neck Flange Dimensions

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Flange NPSInside Diameter (ID)RF Thickness (T)Outside Diameter (OD)RFH1RF_2Bolts Hole (B)HT1FF Thickness (T2)Bolts Circle (BC)Number of Bolt Holes
1-1/2"1.50"3.50"7.00".250"1.90"2.88"1.13"2.75"1.25"3.25"4.88"4
2"1.94"4.25"8.50".250"2.38"3.63"1.00"4.13"1.50"4.00"6.50"8
3"2.90"4.88"10.50".250"3.50"5.00"1.25"5.25"1.88"4.63"8.00"8
12"11.75"11.38"26.50".250"12.75"15.00"2.13"17.75"4.88"11.13"22.50"16
4"3.83"5.13"12.25".250"4.50"6.19"1.38"6.38"2.13"4.88"9.50"8
8"7.63"8.63"19.00".250"8.63"10.63"1.75"11.50"3.63"8.38"15.50"12
1"0.96"3.13"5.88".250"1.32"2.00"1.00"2.06"1.13"2.88"4.00"4
1/2"0.55"2.63"4.75".250"0.84"1.38"0.88"1.50"0.88"2.38"3.25"4
16"15.00"12.50"32.50".250"16.00"18.50"2.63"21.75"5.75"12.25"27.75"16
14"13.00"12.00"29.50".250"14.00"16.25"2.38"19.50"5.25"11.75"25.00"16
1-1/4"1.28"3.13"6.25".250"1.66"2.50"1.00"2.50"1.13"2.88"4.38"4
10"9.75"10.25"23.00".250"10.75"12.75"2.00"14.50"4.25"10.00"19.00"12
5"4.81"6.38"14.75".250"5.56"7.31"1.63"7.75"2.88"6.13"11.50"8
18"17.00"13.13"36.00".250"18.00"21.00"2.88"23.50"6.38"12.88"30.50"16
20"19.00"14.25"38.75".250"20.00"23.00"3.13"25.25"7.00"14.00"32.75"16
6"5.76"7.00"15.50".250"6.63"8.50"1.50"9.00"3.25"6.75"12.50"12
3/4"0.74"3.00"5.13".250"1.05"1.69"0.88"1.75"1.00"2.75"3.50"4
2-1/2"2.32"4.38"9.63".250"2.88"4.13"1.13"4.88"1.63"4.13"7.50"8
24"23.00"16.25"46.00".250"24.00"27.25"3.63"30.00"8.00"16.00"39.00"16

Dimensional Tolerance Raised Face Weld Neck Flange

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CertificatePlate thickness in mmWidth in mmLength in mmLength in mm
Outside DiameterWhen O is 24" or less. When O is over 24".±0.06" ±0.12"±1.6 mm±3.2 mm
Drilling and FacingsBolt circle diameter Bolt Hole Spacing±0.06" ±0.03"±1.6 mm±0.8 mm
Diameter of Contact Face0.06" (1.6 mm) raised face. 0.25" (6.4 mm) raised face.±0.03" ±0.02"±0.8 mm±0.5mm
Diameter of Hub at Point of WeldingNPS 5 and smaller. NPS 6 and larger.+0.09", -0.03" +0.16", -0.03"+2.4 mm, -0.8mm+4.0 mm, -0.8 mm
ThicknessNPS 18 and smaller. NPS 20 and larger.+0.12" +0.19"+3.2 mm+4.8 mm
Inside DiameterNPS 10, 12, 18, 20 and larger.+0.03" +0.06" +0.12", -0.06"+0.8 mm +1.6 mm+3.2 mm, -1.6 mm
Diameter of Hub at BaseHub Base is 24"or less. Hub Base is over 24".+0.06" +0.12"+1.6 mm+3.2 mm
Length Through HubNPS 10 and smaller. NPS 12 and larger.±0.06" ±0.12"±1.6 mm±3.2 mm
Eccentricity of Bolt Circle and FacingNPS 2 1/2 and smaller. NPS 3 and larger.±0.03" ±0.06"±0.8 mm±1.6 mm
Technical Data

Available Material of High Pressure Weld Neck Flange

col_1col_2
Stainless SteelASTM A182 Gr. 304, 304H, 310, 316, 309, 316L, 321, 317L, 347, 904L
Carbon SteelHigh Yield CS ASTM A694 / A694 (F52 F56 F60 F65 F70 F80), ASTM A350 LF2 / ASME SA350, A105N, ASTM A105 / ASME SA105
Duplex SteelASTM A 182, ASME SA 182 UNS NO S31803, S32205. Werkstoff No. 1.4462
Nickel AlloyASTM / ASME SB 564 UNS 4400 (MONEL 400 ), UNS 8825 INCONEL (825), UNS 2201 (NICKEL 201 ), UNS 2200 ( NICKEL 200 ), UNS 8020 ( ALLOY 20 / 20 CB 3, UNS 6601 ( INCONEL 601 ), UNS 6600 (INCONEL 600 ), UNS 6625 (INCONEL 625), UNS 10276 ( HASTELLOY C 276 )
Copper NickelCupro Nickel 70/30 (C71500), Copper Nickel 90/10 (C70600 ), ASTM / ASME SB 62 / 151 / 61 / 152, UNS C71640
Alloy SteelF11, F12, F5, F9, F22, F91

ASME B16.5 Weld Neck Flange Schedule Chart

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Nominal Pipe SizeOutside DiameterNominal Bore DiameterNominal Bore Diameter_2Nominal Bore Diameter_3Nominal Bore Diameter_4Nominal Bore Diameter_5Nominal Bore Diameter_6Nominal Bore Diameter_7Nominal Bore Diameter_8Nominal Bore Diameter_9Nominal Bore Diameter_10Nominal Bore Diameter_11Nominal Bore Diameter_12Nominal Bore Diameter_13Nominal Bore Diameter_14Nominal Bore Diameter_15
Nominal Pipe SizeOutside DiameterSch.5SSch.10SSch.10Sch.20Sch.30Sch.40SSch.40Sch.60SSch.80SSch.80Sch.100Sch.120Sch.140Sch.160XX Strong
1/20.840.710.674.622.622.546.546.464.252
3/41.050.920.884.824.824.742.742.612.434
11.3151.1851.0971.0491.049.957.957.815.599
1-1/41.6601.5301.4421.3801.3801.2781.2781.160.896
1-1/21.9001.7701.6821.6101.6101.5001.5001.3381.100
22.3752.2452.1572.0672.0671.9391.9391.6871.503
2-1/22.8752.7092.6352.4692.4692.3232.3232.1251.771
33.5003.3343.2603.0683.0682.9002.9002.6242.300
3-1/24.0003.8343.7603.5483.5483.3643.364
44.5004.3344.2604.0264.0263.8263.8263.6243.4383.152
55.5635.3455.2955.0475.0474.8134.8134.5634.3134.063
66.6256.4076.3576.0656.0655.7615.7615.5015.1874.897
88.6258.4078.3298.1258.0717.9817.9817.8137.6257.6257.4377.1877.0016.8136.875
1010.75010.48210.42010.25010.13610.02010.0209.7509.7509.5649.3129.0628.7508.500
1212.75012.43812.39012.25012.09012.00011.93811.62611.75011.37411.06210.75010.50010.126
1414.00013.68813.62513.50013.37513.25013.25013.12412.81213.00012.50012.12411.81411.50011.188
1616.00015.67015.62515.50015.37515.25015.25015.00014.68815.00014.31213.93813.56413.12412.812
1818.00017.67017.62517.50017.37517.12417.25016.87616.50017.00016.12415.68815.25014.87614.438
2020.00019.62519.56419.50019.25019.00019.25018.81418.37619.00017.93817.43817.00016.50016.062
2424.00023.56423.50023.50023.25022.87623.25022.62422.06223.00021.56220.93820.37619.87619.312

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ASME B16.5 Weld Neck Flange
ASME B16.5 Weld Neck Flange

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