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Refer ASME B16.47 Series B Slip On Flange dimensions, a complete guide for ANSI B16.47 Flanges


ASME B16.47 Flange
Table Of Content:


ASME B16.47 Flange Specifications


Specification ASME B16.47 Flange
Manufacturer Types Stainless Steel Weld Neck Flange
Stainless Steel Blind Flange
Stainless Steel Threaded Flange
Stainless Steel Socket Weld Flange
Stainless Steel Plate Flanges
Stainless Steel Orifice Flange
Stainless Steel Spectacle Blind Flanges
Stainless Steel Slip On Flange
Stainless Steel Plate Flange
Stainless Steel Lap Joint Flanges
Spades Ring Spacers Flanges
ASME B16.5 Square Flanges
Stainless Steel Reducing Flange
RTJ Flange
Flange Test Hydrostatic testing machine/ UI trasonic flaw detector/ X-ray detector/ Direct-reading Spectrograph/ Magnetic particle detector
Flange Equipment Pushing Machine/ electric bevelling machine/ Press machine/ Bending machine/ Sand-blasting machine etc
Coating Anti-rust Paint/ Zinc Plated/ Oil Black Paint/ Yellow Transparent/ Cold and Hot Dip Galvanized
Application Bitumen upgraders
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.
Forging Methods Casting/ Forging/ Rolling/ Cutting
EN Standard 6Bar/ 10Bar/ 16Bar/ 25Bar/ 40Bar
DIN Standard PN6/ PN10/ PN16/ PN25/ PN40/ PN64
JIS Standard 5K/ 10K/ 16K 20K/ 30K/ 40K/ 63K
UNI Standard 6 Bar/ 10 Bar/ 16 Bar/ 25 Bar/ 40 Bar
Schedule SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180 To XXS
Manufacturer Length NPS 1⁄₂" To NPS 48”
Face Type RTJ/ FF/ RF/ lap joint/ Male & Female / Tongue & Groove.
Supporting Material Gasket/ Ring Joint/ Flange Bolts
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Production Technique Forged/ Heat treated and machined
Manufacturer of Forged/ Threaded/ Screwed / Plate
Manufacturer Pressure Class Class 150 (lb) up to 24"
Class 300 (lb) up to 20"
Class 600 (lb) up to 20"
Class 900 (lb) up to 16"
Class 1500 (lb) up to 10"
Class 2500 (lb) up to 8"
  • Price stability can be seen in ASME B16.47 Flange manufacturer in India
  • ASME B16.47 Series A Flange have high corrosion resistance, particularly to stress corrosion cracking
  • Very little or no maintenance material
  • ASME B16.47 Series B Flange are suitable for harsh conditions.
  • Buy from ANSI B16.47 Flange manufacturers in India for factory price
  • A largest Manufacturer, Source, Stock, Stockholder, Traders, Wholesaler, Distributor, Suppliers, Dealer, Distributor, Importer, Exporter, Fabricator & Stockist in Asia & Middle East.

Buy ASME B16.47 Series A Blind Flange at factory price directly from manufacturers


Types Of ASME B16.47 Flange


Type Of Flange Size In Inch SCH Class Grade Price In INR (India) Per Piece
Stainless Steel Blind Flange 3/4 40 150 ASTM A182 F304 150.00
1 40 150 - 233.00
Blind 1-1/2 40 150 - 394.00
Stainless Steel Weld Neck Flange 2 STD 150 - 390.00
- 4 STD 300 - 850.00
Weld Neck 6 80 300 - 1287.00
Stainless Steel Slip On Flange 2 40 150 - 387.00
- 3 40 150 - 547.00
Slip On 8 80 300 ASTM A182 F304 1600.00

Types Of ASME B16.47 Flange


ASME B16.47 Blind Flange

ASME B16.47 Blind Flange

ASME B16.47 Slip On Flange

ASME B16.47 Slip On Flange

ASME B16.47 Weld Neck Flange

ASME B16.47 Weld Neck Flange

ASME B16.47 Series A Socket Weld Flange

ASME B16.47 Series A Socket Weld Flange

ASME B16.47 Series A Plate Flange

ASME B16.47 Series A Plate Flange

ASME B16.47 Lap Joint Flange

ASME B16.47 Lap Joint Flange

ANSI B16.47 RTJ Flanges

ANSI B16.47 RTJ Flanges

 ASME B16.47 Raised Face Flange

ASME B16.47 Raised Face Flange

ASME B16.47 Series A Reducing Flange

ASME B16.47 Series A Reducing Flange

ASME B16.47 Welding Neck Flange

ASME B16.47 Welding Neck Flange

 ASME B16.47 Square Flange

ASME B16.47 Square Flange

B16.47 Series B Class 150 Flat Flange

B16.47 Series B Class 150 Flat Flange

B16.47 Series A Threaded Flange

B16.47 Series A Threaded Flange

 ASME B16.47 Large Diameter Flange

ASME B16.47 Large Diameter Flange

ASME B16.47 High Hub Blind Flange

ASME B16.47 High Hub Blind Flange

ANSI B16.47 Flange

ANSI B16.47 Flange

 ASME B16.47 Pipe Flange

ASME B16.47 Pipe Flange

ASME B16.47 Series A Flanges

ASME B16.47 Series A Flanges

ASME B16.47 Series B Flange

ASME B16.47 Series B Flange

 ASME B16.47 Series A RTJ Flange

ASME B16.47 Series A RTJ Flange

ASME B16.47 Series A Slip On Flange

ASME B16.47 Series A Slip On Flange


ASME B16.47 Series B Material

Stainless Steel ASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8/ CF3/ CF8M/ CF3M/ DIN 1.4301/ DIN 1.4306/ DIN 1.4401/ DIN 1.4404/ DIN 1.4308/ DIN 1.4408/ DIN 1.4306/ DIN 1.4409
Carbon Steel ASTM/ASME A/SA105 A/SA105N & A/SA216-WCB, DIN 1.0402, DIN 1.0460, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, High Yield CS ASTM A694 / A694 (F52 F56 F60 F65 F70 F80)
Incoloy ASTM B564 / ASME SB564, Incoloy 800/ 800H/ 800HT (UNS N08800)/ 825 (UNS N08825)/ 925 Flanges
254 Smo ASTM A182 / ASME SA182, SMO 254/6Mo/ UNS S31254/ DIN 1.4547
Nimonic Nimonic 75/ Nimonic 80A/ Nimonic 90
Monel ASTM B564 / ASME SB564, Monel 400 (UNS No. N04400)/ Monel 500 (UNS No. N05500)
Brass 3602 / 2604 / H59 / H62 / etc.
Aluminium 5052 /6061/ 6063 / 2017 / 7075 / etc.
Nickel ASTM B564 / ASME SB564, Nickel 200/ Nickel 201/ Nickel 205/ Nickel 205LC
Alloy 20 ASTM B462 / ASME SB462/ Carpenter® 20 Alloy/ Alloy 20Cb-3
Duplex S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Super Duplex S32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Titanium ASTM B381 / ASME SB381, Titanium Gr. 1, Titanium Gr. 2/ Titanium Gr. 4/ Titanium Gr. 5/ Titanium Gr. 7
ASTM R50250/GR.1 | R50400/GR.2 | R50550/GR.3 | R50700/GR.4 | GR.6 |R52400/GR.7 | R53400/GR.12 | R56320/GR.9 |R56400/GR.5
Hastelloy ASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276)/ C22 (UNS N06022)/ C4/ C2000/ B2/ B3/ X Flanges
Alloy Steel ASTM A182 / ASME SA182 F5/ F9/ F11/ F12/ F22/ F91
Inconel ASTM B564 / ASME SB564, Inconel 600/ 601/ 625/ 718/ 783/ 690/ x750
Copper Nickel ASTM / ASME SB 61 / 62 / 151 / 152/ Copper Nickel 90/10 (C70600 )/ Cupro Nickel 70/30 (C71500)/ UNS C71640
Other material Tin bronze/ Alumunum bronze/ Lead bronze

ASME B16.47 Flange Dimensions


ASME B16.47 Flange Dimensions

Check Surface Finish of ANSI B16.47 Series B Class 150 and 300 Flange Material for better sealing performance


ASME B16 47 Series A Flange Dimensions


ASME B16 47 Series A Flange Dimensions

ANSI B16.47 Series A Class 150 Flanges Dimensions


ANSI B16.47 Series A Class 150 Flanges Dimensions

NPS Outer Diameter(O.D.) Minimum Thickness – Weld Neck
(tf)
Minimum Thickness – BLRF
(tf)
Length Of Through Hub
(Y)
Hub Diameter Base
(X)
Hub Diameter Top
(A
Raised Face Diameter
(R)
Drilling And Bolt Circle Diameter Drilling And Number of Bolt Holes Drilling And Diameter of Bolts Hole Diameter of Bolts Minimum Fillet Radius(r1)
26 34.25 2.63 2.63 4.69 26.62 26 29.5 31.75 24 13⁄8 11⁄4 0.38
28 36.5 2.75 2.75 4.88 28.62 28 31.5 34 28 13⁄8 11⁄4 0.44
30 38.75 2.88 2.88 5.32 30.75 30 33.75 36 28 13⁄8 11⁄4 0.44
32 41.75 3.13 3.13 5.63 32.75 32 36 38.5 28 15⁄8 11⁄2 0.44
34 43.75 3.19 3.19 5.82 34.75 34 38 40.5 32 15⁄8 11⁄2 0.5
36 46 3.5 3.5 6.13 36.75 36 40.25 42.75 32 15⁄8 11⁄2 0.5
38 48.75 3.38 3.38 6.13 39 38 42.25 45.25 32 15⁄8 11⁄2 0.5
40 50.75 3.5 3.5 6.38 41 40 44.25 47.25 36 15⁄8 11⁄2 0.5
42 53 3.75 3.75 6.69 43 42 47 49.5 36 15⁄8 11⁄2 0.5
44 55.25 3.94 3.94 6.94 45 44 49 51.75 40 15⁄8 11⁄2 0.5
46 57.25 4 4 7.25 47.12 46 51 53.75 40 15⁄8 11⁄2 0.5
48 59.5 4.19 4.19 7.5 49.12 48 53.5 56 44 15⁄8 11⁄2 0.5
50 61.75 4.32 4.32 7.94 51.25 50 55.5 58.25 44 17⁄8 13⁄4 0.5
52 64 4.5 4.5 8.19 53.25 52 57.5 60.5 44 17⁄8 13⁄4 0.5
54 66.25 4.69 4.69 8.44 55.25 54 59.5 62.75 44 17⁄8 13⁄4 0.5
56 68.75 4.82 4.82 8.94 57.38 56 62 65 48 17⁄8 13⁄4 0.5
58 71 5 5 9.19 59.38 58 64 67.25 48 17⁄8 13⁄4 0.5
60 73 5.13 5.13 9.38 61.38 60 66 69.25 52 17⁄8 13⁄4 0.5

  • Dimensions are in inch.
  • 1) The min. flange thickness does not include the (RF) thickness
  • 2) This dimension is for the large end of hub, which may be straight or tapered.
  • 3) Weld neck Bore/ Inner Diameter is to be specified by the purchaser

ANSI B16.47 Series A Class 300 Flanges Dimensions


ANSI B16.47 Series A Class 300 Flanges Dimensions

NPS Outer Diameter(O.D.) Minimum Thickness – Weld Neck
(tf)
Minimum Thickness – BLRF
(tf)
Length Of Through Hub
(Y)
Hub Diameter Base
(X)
Hub Diameter Top
(A)
Raised Face Diameter
(R)
Drilling And Bolt Circle Diameter Drilling And Number of Bolt Holes Drilling And Diameter of Bolts Hole Diameter of Bolts Minimum Fillet Radius(r1)
26 38.25 3.07 3.25 7.19 28.38 26 29.5 34.5 28 13/4 15/8 0.38
28 40.75 3.32 3.5 7.69 30.5 28 31.5 37 28 13/4 15/8 0.44
30 43 3.57 3.69 8.19 32.56 30 33.75 39.25 28 17/8 13/4 0.44
32 45.25 3.82 3.88 8.69 34.69 32 36 41.5 28 2 17/8 0.44
34 47.5 3.94 4.07 9.07 36.88 34 38 43.5 28 2 17/8 0.5
36 50 4.07 4.32 9.44 39 36 40.25 46 32 21/8 2 0.5
38 46 4.19 4.19 7.06 39.12 38 40.5 43 32 15/8 11/2 0.5
40 48.75 4.44 4.44 7.56 41.25 40 42.75 45.5 32 13/4 15/8 0.5
42 50.75 4.63 4.63 7.82 43.25 42 44.75 47.5 32 13/4 15/8 0.5
44 53.25 4.82 4.82 8.06 45.25 44 47 49.75 32 17/8 13/4 0.5
46 55.75 5 5 8.44 47.38 46 49 52 28 2 17/8 0.5
48 57.75 5.19 5.19 8.75 49.38 48 51.25 54 32 2 17/8 0.5
50 60.25 5.44 5.44 9.07 51.38 50 53.5 56.25 32 21/8 2 0.5
52 62.25 5.63 5.63 9.32 53.38 52 55.5 58.25 32 21/8 2 0.5
54 65.25 5.94 5.94 9.88 55.5 54 57.75 61 28 23/8 21/4 0.5
56 67.25 6 6 10.19 57.62 56 59.75 63 28 23/8 21/4 0.5
58 69.25 6.19 6.19 10.44 59.62 58 62 65 32 23/8 21/4 0.5
60 71.25 6.38 6.38 10.69 61.62 60 64 67 32 23/8 21/4 0.5

ANSI B16.47 Series A Class 600 Flanges Dimensions


ANSI B16.47 Series A Class 600 Flanges Dimensions

NPS Outer Diameter(O.D.) (Minimum) Thickness – WNF
(tf)
(Minimum) Thickness – Blind
(tf)
Length Of Through Hub
(Y)
Hub Diameter Base
(X)
Hub Diameter Top
(A)
Diameter Of Raised Face
(R)
Drilling & Bolt Circle Dia Drilling & Number of Bolt Holes Drilling & Diameter of Bolts Hole Diameter of Bolts (Minimum) Fillet Radius(r1)
26 40 4.25 4.94 8.75 29.44 26 29.5 36 28 2 17/8 0.5
28 42.25 4.38 5.19 9.25 31.62 28 31.5 38 28 21/8 2 0.5
30 44.5 4.5 5.5 9.75 33.94 30 33.75 40.25 28 21/8 2 0.5
32 47 4.62 5.81 10.25 36.12 32 36 42.5 28 23/8 21/4 0.5
34 49 4.75 6.06 10.62 38.31 34 38 44.5 28 23/8 21/4 0.56
36 51.75 4.88 6.38 11.12 40.62 36 40.25 47 28 25/8 21/2 0.56
38 50 6 6.12 10 40.25 38 41.5 45.75 28 23/8 21/4 0.56
40 52 6.25 6.38 10.38 42.25 40 43.75 47.75 32 23/8 21/4 0.56
42 55.25 6.62 6.75 11 44.38 42 46 50.5 28 25/8 21/2 0.56
44 57.25 6.81 7 11.38 46.5 44 48.25 52.5 32 25/8 21/2 0.56
46 59.5 7.06 7.31 11.81 48.62 46 50.25 54.75 32 25/8 21/2 0.56
48 62.75 7.44 7.69 12.44 50.75 48 52.5 57.5 32 27/8 23/4 0.56
50 65.75 7.75 8 12.94 52.88 50 54.5 60 28 31/8 3 0.56
52 67.75 8 8.25 13.25 54.88 52 56.5 62 32 31/8 3 0.56
54 70 8.25 8.56 13.75 57 54 58.75 64.25 32 31/8 3 0.56
56 73 8.56 8.88 14.25 59.12 56 60.75 66.75 32 33/8 31/4 0.62
58 75 8.75 9.12 14.56 61.12 58 63 68.75 32 33/8 31/4 0.62
60 78.5 9.19 9.56 15.31 63.38 60 65.25 71.75 28 35/8 31/2 0.69

ASME B16.47 Series B Flange Dimensions


ASME B16.47 Series B Flange Dimensions

ASME B16 47 Slip On Flange Dimensions


ASME B16 47 Slip On Flange Dimensions

Normal Size Of Steel Pipe Inner Diameter Outer Daimeter SORF Circle Bolt (B.C.) Raised Raised Face Of SORF SORF Hight (H) Wall Thickness Of (RF) Raised Face (T1) Thickness2
(Flat Face)
SORF Bolts Holes
Number Of SORF Flanges Bolt Hole
1/2 0.88 3.50 2.38 1.38 .063 1.19 .62 .38 .56 .62 4
3/4 1.09 3.88 2.75 1.69 .063 1.50 .62 .44 .56 .62 4
1 1.36 4.25 3.12 2.00 .063 1.94 .69 .50 .63 .62 4
1-1/4 1.70 4.62 3.50 2.50 .063 2.31 .81 .56 .75 .62 4
1-1/2 1.97 5.00 3.88 2.88 .063 2.56 .88 .62 .82 .62 4
2 2.44 6.00 4.75 3.62 .063 3.06 1.00 .69 .94 .75 4
2-1/2 2.94 7.00 5.50 4.12 .063 3.56 1.12 .82 1.06 .75 4
3 3.57 7.50 6.00 5.00 .063 4.25 1.19 .88 1.13 .75 4
3-1/2 4.07 8.50 7.00 5.50 .063 4.81 1.25 .88 1.19 .75 8
4 4.57 9.00 7.50 6.19 .063 5.31 1.31 .88 1.25 .75 8
5 5.66 10.00 8.50 7.31 .063 6.44 1.44 .88 1.38 .88 8
6 6.72 11.00 9.50 8.50 .063 7.56 1.56 .94 1.50 .88 8
8 8.72 13.50 11.75 10.62 .063 9.69 1.75 1.06 1.69 .88 8
10 10.88 16.00 14.25 12.75 .063 12.00 1.94 1.13 1.88 1.00 12
12 12.88 19.00 17.00 15.00 .063 14.38 2.19 1.19 2.13 1.00 12
14 14.14 21.00 18.75 16.25 .063 15.75 2.25 1.32 2.19 1.12 12
16 16.16 23.50 21.25 18.50 .063 18.00 2.50 1.38 2.44 1.12 16
18 18.18 25.00 22.75 21.00 .063 19.88 2.69 1.50 2.63 1.25 16
20 20.20 27.50 25.00 23.00 .063 22.00 2.88 1.63 2.83 1.25 20
22 22.22 29.50 27.25 25.25 .063 24.25 3.13 1.75 3.07 1.38 20
24 24.25 32.00 29.50 27.25 .063 26.12 3.25 1.82 3.19 1.38 20

ASME B16 47 Series B Slip On Flange Dimensions


ASME B16 47 Series B Slip On Flange Dimensions

Normal Size Of Steel Pipe Inner Diameter Outer Daimeter SORF Circle Bolt (B.C.) Raised Raised Face Of SORF SORF Hight (H) Wall Thickness Of (RF) Raised Face (T1) Thickness2
(Flat Face)
SORF Bolts Holes
Number Of SORF Flanges Bolt Hole
1/2 0.88 3.75 2.62 1.38 .063 1.50 0.88 0.50 0.82 0.62 4
3/4 1.09 4.62 3.25 1.69 .063 1.88 1.00 .056 0.94 0.75 4
1 1.36 4.88 3.50 2.00 .063 2.12 1.06 0.63 1.00 0.75 4
1-1/4 1.70 5.25 3.88 2.50 .063 2.50 1.06 0.69 1.00 0.75 4
1-1/2 1.95 6.12 4.50 2.88 .063 2.75 1.19 0.75 1.13 0.88 4
2 2.44 6.50 5.00 3.62 .063 3.31 1.31 0.82 1.25 0.75 8
2-1/2 2.94 7.50 5.88 4.12 .063 3.94 1.50 0.94 1.44 0.88 8
3 3.57 8.25 6.62 5.00 .063 4.62 1.69 1.06 1.63 0.88 8
3-1/2 4.07 9.00 7.25 5.50 .063 5.25 1.75 1.13 1.69 0.88 8
4 4.57 10.00 7.88 6.19 .063 5.75 1.88 1.19 1.82 0.88 8
5 5.66 11.00 9.25 7.31 .063 7.00 2.00 1.32 1.94 0.88 8
6 6.72 12.50 10.62 8.50 .063 8.12 2.06 1.38 2.00 0.88 12
8 8.72 15.00 13.00 10.62 .063 10.25 2.44 1.56 2.38 1.00 12
10 10.88 17.50 15.25 12.75 .063 12.62 2.62 1.82 2.56 1.12 16
12 12.88 20.50 17.75 15.00 .063 14.75 2.88 1.94 2.82 1.25 16
14 14.14 23.00 20.25 16.25 .063 16.75 3.00 2.06 2.94 1.25 20
16 16.16 25.50 22.50 18.50 .063 19.00 3.25 2.19 3.19 1.38 20
18 18.18 28.00 24.75 21.00 .063 21.00 3.50 2.32 3.44 1.38 24
20 20.20 30.50 27.00 23.00 .063 23.12 3.75 2.44 3.69 1.38 24
22 22.22 33.00 29.25 25.25 .063 25.25 4.00 2.57 3.94 1.63 24
24 24.25 36.00 32.00 27.25 .063 27.62 4.19 2.69 4.13 1.62 24

ASME B16 47 Blind Flange Dimensions


ASME B16 47 Blind Flange Dimensions
(Normal Size Of Steel Pipe) In Inch Outer Daimeter Of
(A)
WT Of (B)
RF Daimeter Of
(C)
(D)
(B.C.D.)
# BLRF Flanges Bolts
Holes
Daimeter Of BLRF Bolt Holes
Weight In Kilogram (KG)
1/2 3-1/2 7/16 1-3/8 2-3/8 4 5/8 2
3/4 3-7/8 1/2 1-11/16 2-3/4 4 5/8 2
1 4-1/4 9/16 2 3-1/8 4 5/8 2
1-1/4 4-5/8 5/8 2-1/2 3-1/2 4 5/8 3
1-1/2 5 11/16 2-7/8 3-7/8 4 5/8 3
2 6 3/4 3-5/8 4-3/4 4 3/4 4
2-1/2 7 7/8 4-1/8 5-1/2 4 3/4 7
3 7-1/2 15/16 5 6 4 3/4 9
3-1/2 8-1/2 15/16 5-1/2 7 8 3/4 13
4 9 15/16 6-3/16 7-1/2 8 3/4 17
5 10 15/16 7-5/16 8-1/2 8 7/8 20
6 11 1 8-1/2 9-1/2 8 7/8 27
8 13-1/2 1-1/8 10-5/8 11-3/4 8 7/8 47
10 16 1-3/16 12-3/4 14-1/4 12 1 67
12 19 1-1/4 15 17 12 1 123
14 21 1-3/8 16-1/4 18-3/4 12 1-1/8 139
16 23-1/2 1-7/16 18-1/2 21-1/4 16 1-1/8 187
18 25 1-9/16 21 22-3/4 16 1-1/4 217
20 27-1/2 1-11/16 23 25 20 1-1/4 283
24 32 1-7/8 27-1/4 29-1/2 20 1-3/8 415

ANSI B16.47 Series B Class 150 Flange Dimensions


ANSI B16.47 Series B Class 150 Flange Dimensions

Normal Pipe Size Outside
Diameter (O.D.)
(Min.) Wall Thickness Outer Daimeter of
Raised
Face (RF)
Hub Diameter Length Of
Thru Hub
Weight (lbs) Drilling
WNRF Flange BLRF WNRF Flange WNRF Flange BLRF Flange Number Holes Diameter
Holes
Bolt Circle
Diameter
26 30 1.25 1.25 27.75 26.63 2.25 80 255 36 0.75 28.50
28 32 1.25 1.25 29.75 28.63 2.38 85 290 40 0.75 30.50
30 34 1.25 1.25 31.75 30.63 2.50 90 330 44 0.75 32.50
32 36 1.32 1.38 33.75 32.63 2.69 105 390 48 0.75 34.50
34 38 1.32 1.44 35.75 34.63 2.82 110 430 52 0.75 36.50
36 40.69 1.38 1.61 38 36.81 3.32 145 58 40 0.75 39.06
38 42.69 1.44 1.69 40 38.81 3.44 160 595 40 0.88 41.06
40 44.69 1.44 1.69 42 40.81 3.57 170 760 44 0.88 43.06
42 16.69 1.50 1.82 44 42.81 3.69 185 895 48 0.88 45.06
44 49.25 1.63 1.88 46.25 44.88 4.07 230 1065 36 1 47.38
46 51.25 1.69 1.94 48.25 46.88 4.19 245 1185 40 1 49.38
48 53.25 1.75 2.07 50.25 48.88 4.32 270 1315 44 1 51.38
50 55.25 1.82 2.13 52.25 50.94 4.50 290 1505 44 1 53.38
52 57.38 1.82 2.19 54.25 52.94 4.69 310 1665 48 1 55.50
54 59.38 1.88 2.31 56.25 55 4.88 340 1840 48 1 57.50
56 62 1.94 2.38 58.50 57.13 5.25 400 2110 40 1.12 59.88
58 64 2 2.44 60.50 59.13 5.38 430 2300 44 1.12 61.88
60 66 2.13 2.56 62.50 61.13 5.63 475 2500 44 1.12 63.88

ANSI B16.47 Series B Class 75 Flange Dimensions


ANSI B16.47 Series B Class 75 Flange Dimensions

Normal Pipe Size Outside
Diameter (O.D.)
(Min.) Wall Thickness Outer Daimeter of
Raised
Face (RF)
Hub Diameter Length Of
Thru Hub
Weight (lbs) Drilling
WNRF Flange BLRF WNRF Flange WNRF Flange BLRF Flange Number Holes Diameter
Holes
Bolt Circle
Diameter
26 30 1.25 1.25 27.75 26.63 2.25 80 255 36 0.75 28.50
28 32 1.25 1.25 29.75 28.63 2.38 85 290 40 0.75 30.50
30 34 1.25 1.25 31.75 30.63 2.50 90 330 44 0.75 32.50
32 36 1.32 1.38 33.75 32.63 2.69 105 390 48 0.75 34.50
34 38 1.32 1.44 35.75 34.63 2.82 110 430 52 0.75 36.50
36 40.69 1.38 1.61 38 36.81 3.32 145 58 40 0.75 39.06
38 42.69 1.44 1.69 40 38.81 3.44 160 595 40 0.88 41.06
40 44.69 1.44 1.69 42 40.81 3.57 170 760 44 0.88 43.06
42 16.69 1.50 1.82 44 42.81 3.69 185 895 48 0.88 45.06
44 49.25 1.63 1.88 46.25 44.88 4.07 230 1065 36 1 47.38
46 51.25 1.69 1.94 48.25 46.88 4.19 245 1185 40 1 49.38
48 53.25 1.75 2.07 50.25 48.88 4.32 270 1315 44 1 51.38
50 55.25 1.82 2.13 52.25 50.94 4.50 290 1505 44 1 53.38
52 57.38 1.82 2.19 54.25 52.94 4.69 310 1665 48 1 55.50
54 59.38 1.88 2.31 56.25 55 4.88 340 1840 48 1 57.50
56 62 1.94 2.38 58.50 57.13 5.25 400 2110 40 1.12 59.88
58 64 2 2.44 60.50 59.13 5.38 430 2300 44 1.12 61.88
60 66 2.13 2.56 62.50 61.13 5.63 475 2500 44 1.12 63.88

ASME B16 47 Series B Flange Dimensions Class 300


ASME B16 47 Series B Flange Dimensions Class 300

Normal Pipe Size Outside
Diameter (O.D.)
(Min.) Wall Thickness O.D.
of
Raised
Fa (RF)ce
Hub Diameter Length Of
Thru Hub
Weight (lbs) Drilling
WNRF Flange BLRF WNRF Flange WNRF Flange BLRF Flange Number Holes Diameter
Holes
Bolt
Circle Diam.
26 34.12 3.44 3.44 29 26.19 5.63 400 905 32 1.38 31.62
28 36.25 3.44 3.44 31 28.19 5.81 450 1023 36 1.38 33.75
30 39 3.63 3.63 33.25 30.25 6.16 550 1250 36 1.50 36.25
32 41.50 4 4 35.50 32.25 6.56 685 1556 32 1.62 38.50
34 43.62 4 4 37.50 34.25 6.75 750 1719 36 1.62 40.62
36 46.12 4 4 39.75 36.25 7.06 840 1920 32 1.75 42.88
38 48.12 4.31 4.31 41.75 38.25 7.50 915 2257 36 1.75 44.88
40 50.12 4.50 4.50 43.88 40.25 7.75 990 2550 40 1.75 46.88
42 52.50 4.63 4.63 46 42.31 8 1135 2875 36 1.88 49
44 54.50 4.94 4.94 48 44.31 8.38 1235 3305 40 1.88 51
46 57.50 5 5.06 50 46.31 8.69 1470 3766 36 2 53.75
48 59.50 5 5.25 52.25 48.31 8.75 1575 4183 40 2 55.75
50 61.50 5.38 5.44 54.25 50.31 9.19 1710 4629 44 2 57.75
52 63.50 5.56 5.61 56.25 52.31 9.50 1840 5096 48 2 59.75
54 65.88 5.32 5.81 58.25 54.31 9.38 1980 5679 48 2 62.12
56 69.50 6 6.12 60.50 56.31 10.50 2295 6642 36 2.38 65
58 71.94 6 6.31 62.75 58.31 10.75 2770 7347 40 2.38 67.44
60 73.94 5.88 6.50 65 60.31 10.63 2870 7980 40 2.38 69.44

ANSI B16.47 Series B Class 400 Flange Dimensions


ANSI B16.47 Series B Class 400 Flange Dimensions

Normal Pipe Size Outside
Diameter (O.D.)
(Min.) Wall Thickness O.D.
of
Raised
Fa (RF)ce
Hub Diameter Length Of
Thru Hub
Weight (lbs) Drilling
WNRF Flange BLRF WNRF Flange WNRF Flange BLRF Flange Number Holes Diameter
Holes
Bolt Circle
Diameter
26 33.50 3.50 3.50 28 27.12 5.88 360 875 28 1.50 30.75
28 36 3.75 3.75 30 29.12 6.25 450 1081 24 1.62 33
30 38.25 4 4 32.25 31.25 6.69 530 1302 28 1.62 35.25
32 40.75 4.25 4.25 34.38 33.25 7.06 635 1570 28 1.75 37.50
34 42.75 4.38 4.38 36.50 35.38 7.38 690 1780 32 1.75 39.50
36 45.50 4.69 4.69 38.62 37.50 7.88 855 2160 28 1.88 42

Supplier of ANSI B16.47 Series B Class 600 Pipe Flange with stamping & marking

ANSI B16.47 Series B Class 600 Flange Dimensions


ANSI B16.47 Series B Class 600 Flange Dimensions

Normal Pipe Size Outside
Diameter (O.D.)
(Min.) Wall Thickness Outer Daimeter of
Raised
Face (RF)
Hub Diameter Length Of
Thru Hub
Weight (lbs) Drilling
WNRF Flange BLRF WNRF Flange WNRF Flange BLRF Flange Number Holes Diameter
Holes
Bolt Circle
Diameter
26 35 4.38 4.38 28.62 27.50 7.12 550 1195 28 1.75 31.75
28 37.50 4.56 4.56 30.88 29.62 7.50 650 1427 28 1.88 34
30 40.25 4.94 5 33.12 31.75 8.062 810 1800 28 2 36.50
32 42.75 5.12 5.31 35.25 33.88 8.50 950 2160 28 2.12 38.75
34 45.75 5.56 5.68 37.50 36 9.19 1205 2645 24 2.38 41.50
36 47.75 5.75 5.94 39.75 38.12 9.56 1340 3013 28 2.38 43.50

Manufacturer of ANSI B16.47 Series B Class 900 Flanges in Flat, RTJ, Raised, Male, Groove, Tongue, Female, RJ face

ANSI B16.47 Series B Class 900 Flange Dimensions


ANSI B16.47 Series B Class 900 Flange Dimensions

Normal Pipe Size Outside
Diameter (O.D.)
(Min.) Wall Thickness Outer Daimeter of
Raised
Face (RF)
Hub
Diameter
Length Of
Thru Hub
Weight (lbs) Drilling
WNRF Flange BLRF WNRF Flange WNRF Flange BLRF Flange Number Holes Diameter
Holes
Bolt Circle
Diameter
26 40.25 5.31 6.06 30 29.25 10.19 1050 2185 20 2.63 35.50
28 43.50 5.81 6.56 32.25 31.38 10.88 1520 2762 20 2.88 38.25
30 46.50 6.12 6.93 34.50 33.50 11.38 1820 3334 20 3.13 40.75
32 48.75 6.31 7.31 36.50 35.75 11.94 2065 3865 20 3.13 43
34 51.75 6.75 7.68 39 37.88 12.56 2450 4575 20 3.38 45.50
36 53 6.81 7.94 40.50 40 12.81 2520 4963 24 3.13 47.25

Difference Between ASME B16.47 Series A And Series B Flanges


Difference Between ASME B16.47 Series A And Series B Flanges

ASME B16.47 Series A RTJ Flange Dimensions


ASME B16.47 Series A RTJ Flange Dimensions
RTJ Flange Size in Inch RTJ Flanges Size in MM Outer Diameter Wall Thickness Of Ring Type Joint Outer Daimeter Of Hub Outer Daimeter Of Weld Neck Lengths Of Welding Neck Diameter Of RF (Raised Face) Height Of RF (Raised Face) PCD Diameter Pitch Of RTJ Flanges Depth Of RTJ Flanges Ring Type Joint Flange Width Bore
(A) (B) (C) (D) (E) (F) (G) (H) (I) (J) (K) (L)
1/2 15 90 9.6 30 21.3 46 N/A N/A 60.3 N/A N/A N/A
3/4 20 100 11.2 38 26.7 51 N/A N/A 69.9 N/A N/A N/A
1 25 110 12.7 49 33.4 54 63.5 6.35 79.4 47.63 6.35 8.74
1 1/4 32 115 14.3 59 42.2 56 73 6.35 88.9 57.15 6.35 8.74
1 1/2 40 125 15.9 65 48.3 60 82.5 6.35 98.4 65.07 6.35 8.74
2 50 150 17.5 78 60.3 62 102 6.35 120.7 82.55 6.35 8.74
2 1/2 65 180 20.7 90 73 68 121 6.35 139.7 101.6 6.35 8.74
3 80 190 22.3 108 88.9 68 133 6.35 152.4 114.3 6.35 8.74
3 1/2 90 215 22.3 122 101.6 70 154 6.35 177.8 131.78 6.35 8.74
4 100 230 22.3 135 114.3 75 171 6.35 190.5 149.23 6.35 8.74
5 125 255 22.3 164 141.3 87 194 6.35 215.9 171.45 6.35 8.74
6 150 280 23.9 192 168.3 87 219 6.35 241.3 193.68 6.35 8.74
8 200 345 27 246 219.1 100 273 6.35 298.5 247.65 6.35 8.74
10 250 405 28.6 305 273 100 330 6.35 362 304.8 6.35 8.74
12 300 485 30.2 365 323.8 113 406 6.35 431.8 381 6.35 8.74
14 350 535 33.4 400 355.6 125 425 6.35 476.3 396.88 6.35 8.74
16 400 595 35 457 406.4 125 483 6.35 539.8 454.03 6.35 8.74
18 450 635 38.1 505 457.2 138 546 6.35 577.9 517.53 6.35 8.74
20 500 700 41.3 559 508 143 597 6.35 635 558.8 6.35 8.74
24 600 815 46.1 663 610 151 711 6.35 749.3 673.1 6.35 8.74

Diameters And Drilling Of ANSI B16 47 Flanges


Nominal Pipe Diameter Pressure Rating In (PN)
Size Of **Nominal BSP Pipe PN 6 PN 10 PN 16 PN 25 PN 40

DN 10

75

90

90

90

90

O.D.

3/8"

50

60

60

60

60

PCD (B.C.)

 

4 x 11

4 x 14

4 x 14

4 x 14

4 x 14

# of holes x diameter of holes

DN 15

80

95

95

95

95

O.D.

1/2"

55

65

65

65

65

PCD (B.C.)

 

4 x 11

4 x 14

4 x 14

4 x 14

4 x 14

# of holes x diameter of holes

DN 20

90

105

105

105

105

O.D.

3/4"

65

75

75

75

75

PCD (b.c.)

 

4 x 11

4 x 14

4 x 14

4 x 14

4 x 14

# of holes x diameter of holes

DN 25

100

115

115

115

115

O.D.

1"

75

85

85

85

85

PCD (b.c.)

 

4 x 11

4 x 14

4 x 14

4 x 14

4 x 14

# of holes x diameter of holes

DN 32

120

140

140

140

140

O.D.

1 1/4"

90

100

100

100

100

PCD (b.c.)

 

4 x 14

4 x 18

4 x 18

4 x 18

4 x 18

# of holes x diameter of holes

DN 40

130

150

150

150

150

O.D.

1 1/2"

100

110

110

110

110

PCD (b.c.)

 

4 x 14

4 x 18

4 x 18

4 x 18

4 x 18

# of holes x diameter of holes

DN 50

140

165

165

165

165

O.D.

2"

110

125

125

125

125

PCD (b.c.)

 

4 x 14

4 x 18

4 x 18

4 x 18

4 x 18

# of holes x diameter of holes

DN 65

160

185

185

185

185

O.D.

2 1/2"

130

145

145

145

145

PCD (b.c.)

 

4 x 14

4 x 18

4 x 18

8 x 18

8 x 18

# of holes x diameter of holes

DN 80

190

200

200

200

200

O.D.

3"

150

160

160

160

160

PCD (b.c.)

 

4 x 18

8 x 18

8 x 18

8 x 18

8 x 18

# of holes x diameter of holes

DN 100

210

220

220

235

235

O.D.

4"

170

180

180

190

190

PCD (b.c.)

 

4 x 18

8 x 18

8 x 18

8 x 22

8 x 22

# of holes x diameter of holes

DN 125

240

250

250

270

270

O.D.

5"

200

210

210

220

220

PCD (b.c.)

 

8 x 18

8 x 18

8 x 18

8 x 26

8 x 26

# of holes x diameter of holes

DN 150

265

285

285

300

300

O.D.

6"

225

240

240

250

250

PCD (b.c.)

 

8 x 18

8 x 22

8 x 22

8 x 26

8 x 26

# of holes x diameter of holes

DN 175

 

315

315

330

350

O.D.

7"

 

270

270

280

295

PCD (b.c.)

 

 

8 x 22

8 x 22

12 x 26

12 x 30

# of holes x diameter of holes

DN 200

320

340

340

360

375

O.D.

8"

280

295

295

310

320

PCD (b.c.)

 

8 x 18

8 x 22

12 x 22

12 x 26

12 x 30

# of holes x diameter of holes

DN 250

375

395

405

425

450

O.D.

10"

335

350

355

370

385

PCD (b.c.)

 

12 x 18

12 x 22

12 x 26

12 x 30

12 x 33

# of holes x diameter of holes

DN 300

440

445

460

485

515

O.D.

12"

395

400

410

430

450

PCD (b.c.)

 

12 x 22

12 x 22

12 x 26

16 x 30

16 x 33

# of holes x diameter of holes

DN 350

490

505

520

555

580

O.D.

14"

445

460

470

490

510

PCD (b.c.)

 

12 x 22

16 x 22

16 x 26

16 x 33

16 x 36

# of holes x diameter of holes

DN 400

540

565

580

620

660

O.D.

16"

495

515

525

550

585

PCD (b.c.)

 

16 x 22

16 x 26

16 x 30

16 x 36

16 x 39

# of holes x diameter of holes

DN 500

645

670

715

730

755

O.D.

20"

600

620

650

660

670

PCD (b.c.)

 

20 x 22

20 x 26

20 x 33

20 x 36

20 x 42

# of holes x diameter of holes

DN 600

755

780

840

845

 

O.D.

24"

705

725

770

770

 

PCD (b.c.)

 

20 x 24

20 x 27

20 x 33

20 x 36

 

# of holes x diameter of holes


Difference Between ASME B16.5 And ASME B16.47


Difference Between ASME B16.5 And ASME B16.47

Weight Of ASME B16.47 Flanges


Weight Of ASME B16.47 Flanges

ASME B16 47 Series A Flange Weight


ASME B16 47 Series A Flange
Normal Pipe Size Class 150 Class 300 Class 600 Class 900
Welding Neck Flange BLRF Flanges Welding Neck Flange BLRF Flanges Welding Neck Flange BLRF Flanges Welding Neck Flange BLRF Flanges
22 109 162 204 284 310 437    
26 154 321 291 477 450 777 890 1100
28 175 380 352 584 506 909 1055 1350
30 204 450 405 685 575 1074 1230 1610
32 254 560 465 793 642 1253 1480 1940
34 273 625 523 919 705 1427 1750 2310
36 321 760 580 1072 800 1665 1997 2660
38 358 830 324 900 674 1509 2000 2690
40 386 925 391 1066 725 1695 2161 2950
42 442 1080 428 1206 895 2028 2379 3280
44 491 1230 485 1378 951 2246 3321 3810
46 525 1345 559 1570 1055 2543 3224 4430
48 580 1520 597 1745 1247 2951 3500 4860
50 624 1668 674 1983 1423 3381    
52 689 1867 728 2194 1493 3682    
54 760 2088 871 2538 1637 4091    
56 845 2308 921 2728 1843 4585    
58 923 2554 968 2975 1954 4986    
60 971 2765 1032 3250 2353 5750    

ASME B16 47 Series B Flange Weight


ASME B16 47 Series B Flange
Normal Pipe Size Class 150 Class 300 Class 600 Class 900
  WNRF BLRF WNRF BLRF WNRF BLRF WNRF BLRF
26 65 165 193 404 260 534    
28 75 200 211 457 305 637    
30 82 226 258 555 378 793    
32 94 263 315 693 436 925    
34 113 320 339 765 550 1150    
36 128 374 380 858 591 1290    
38 153 434 425 1005 668 1481    
40 166 489 459 1132 718 1662    
42 182 560 514 1280 888 1989    
44 195 626 567 1466 942 2188    
46 229 709 666 1657 1046 2458    
48 248 799 687 1772 1237 2859    
50 268 899 797 2029 1412 3280    
52 284 985 806 2230 1481 3573    
54 309 1081 840 2310 1623 3949    
56 329 1181 1117 2891 1829 4423    
58 391 1322 1194 3093 1939 4791    
60 414 1430 1215 3213 2336 5533    

Bolt Length For ASME B16.47 Flanges


Nominal Pipe Size In Inch Class 150 In Inch Class 300 In Inch Class 400 In Inch Class 600 In Inch Class 900 In Inch
(D) (L) (D) (L) (D) (L) (D) (L) (D) (L)
26 3/4 5-1/2 1-1/4 10-1/2 1-3/8 11-1/4 1-5/8 13-3/4 2-1/2 17-1/4
28 3/4 5-3/4 1-1/4 10-1/2 1-1/2 12 1-3/4 14-1/4 2-3/4 19
30 3/4 5-3/4 1-3/8 11-1/4 1-1/2 12-1/2 1-7/8 15-1/4 3 20
32 3/4 5-3/4 1-1/2 12-1/4 1-5/8 13-1/2 2 15-3/4 3 20-1/4
34 7/8 6-1/4 1-1/2 12-1/4 1-5/8 13-3/4 2-1/4 17-1/4 3-1/4 21-3/4
36 7/8 6-3/4 1-5/8 12-1/2 1-3/4 15-1/2 2-1/4 17-3/4 3 21-1/4"s
38 1 7-1/4 1-5/8 13-1/4 - - - - - -
40 1 7-1/4 1-5/8 13-1/2 - - - - - -
42 1 7-1/2 1-3/4 14 - - - - - -
44 1 7-3/4 1-3/4 14-3/4 - - - - - -
46 1-1/8 8 1-7/8 15 - - - - - -
48 1-1/8 8-1/4 1-7/8 15 - - - - - -
50 1-1/8 8-1/2 1-7/8 15-3/4 - - - - - -
52 1-1/8 8-3/4 1-7/8 16 - - - - - -
54 1-1/8 8-3/4 1-7/8 15-3/4 - - - - - -
56 1-1/8 9 2-1/4 17-3/4 - - - - - -
58 1-1/4 9-1/4 2-1/4 17-3/4 - - - - - -
60 1-1/4 9-1/2 2-1/4 17-1/2 - - - - - -

Facing Types Of Large Diameter Steel Flanges ASME B16.47


Facing Types Of Large Diameter Steel Flanges ASME B16.47

  • Type A: Flat Face (FF)
  • Type B: Raised Face (RF)
  • Type C: Tongue Face (TF)
  • Type G: Ring Recess
  • Type H: O-Ring Groove
  • Type D: Grooved Face (GF)
  • 1Type E: Spigo
  • Type F: Recess

ASME B16.47 Flange Size


Normal Pipe Size

DN

1/2

15

3/4

20

1

25

1 1/4

32

 1 1/2

40

2

50

2 1/2

65

3

80

4

100


ASME B16.47 Standard


ASME B16.47 Standard

Dimensions Weld Neck & Blind Flanges ASME B16.47 Series A Class 300


Dimensions Weld Neck & Blind Flanges ASME B16.47 Series A Class 300
Normal Pipe Size Outside Diameter (D) (B)
(Weld Neck)
(B)
(Blind)
(H) (A)
26 660.4 870 66.7
68.3
66.7
68.3
119
120.6
676
28 711.2 925 69.9
71.5
69.9
71.5
124
125.6
727
30 762 985 73.1
74.7
73.1
74.7
135
136.6
781
32 812.8 1060 79.4
81
79.4
81
143
144.6
832
34 863.6 1110 81
82.6
81
82.6
148
149.6
883
36 914.4 1170 88.9
90.5
88.9
90.5
156
157.6
933
38 965.2 1240 85.8
87.4
85.8
87.4
156
157.6
991
40 1016 1290 88.9
90.5
88.9
90.5
162
163.6
1041
42 1066.8 1345 95.3
96.9
95.3
96.9
170
171.6
1092
44 1117.6 1405 100.1
101.7
100.1
101.7
176
177.6
1143
46 1168.4 1455 101.6
103.2
101.6
103.2
184
185.6
1197
48 1219.2 1510 106.4
108
106.4
108
191
192.6
1248
50 1270 1570 109.6
111.2
109.6
111.2
202
203.6
1302
52 1320.8 1625 114.3
115.9
114.3
115.9
208
209.6
1353
54 1371.6 1685 119.1
120.7
119.1
120.7
214
215.6
1403
56 1422.4 1745 122.3
123.9
122.3
123.9
227
228.6
1457
58 1473.2 1805 127
128.6
127
128.6
233
234.6
1508
60 1524 1855 130.2
131.8
130.2
131.8
238
239.6
1559

Installation Of ASME B16.47 Series A Blind Flange


Installation Of ASME B16.47 Series A Blind Flange

Manufacturing Process Of ASME B16.47 Series B Slip On Flange


Manufacturing Process Of ASME B16.47 Series B Slip On Flange

Raw Material

  • Raw Materia
  • Materia Dimension And Visual
  • Materia Quantity
Manufacturing Process Of ASME B16.47 Series B Slip On Flange

Inspection

  • Chemical And Mechanical Analysis
  • Analysis Of Preservation Certificate
Manufacturing Process Of ASME B16.47 Series B Slip On Flange

Cutting

  • Cut Surface
  • Marking
  • Weight Measuring
Manufacturing Process Of ASME B16.47 Series B Slip On Flange

Forging Flanges

  • Grade Of Material
  • Control Flanges Temperature
Manufacturing Process Of ASME B16.47 Series B Slip On Flange

Heat Treatment

  • Flanges Solution Treatment
  • Flanges Mechanical Test
  • Normalizing
Manufacturing Process Of ASME B16.47 Series B Slip On Flange

Forging Rolling Of Flanges

  • Check Dimension
  • Check Marking
  • Check Weight
Manufacturing Process Of ASME B16.47 Series B Slip On Flange

Final Inspection Of Pipe Flange

  • Test Of Visual
  • Test Of Nondestructive
Manufacturing Process Of ASME B16.47 Series B Slip On Flange

Rust Prevention

  • View Preserve
  • Marking
  • Heat Number
Manufacturing Process Of ASME B16.47 Series B Slip On Flange

Packaging

  • Specification Of Packing
  • Inspection Of Packing
  • Delivery Time And Day

ASME B16.47 Pressure Rating


ASME B16.47 Pressure Rating

ASME B16.47 Tolerances


O.D. ±0.12″ ±3.2 (MM)
The diameter of Flange Face 0.06″ (1.66 (MM)) (RF) ±0.08″ ±2.0 (MM)
0.25″ (6.44 (MM)) (RF) ±0.04″
er of The diameter of the Hub at the Point of Welding ±0.21″, -0.06″ ±5.5 (MM), -1.6 (MM)
Inner Daimeter (I.D.) ±0.12″, -0.06″ ±3.2 (MM), -1.6 (MM)
Wall Thickness Up to 1.0″ Thickness ±0.12″, -0.00″ ±3.2 (MM), -0.00 (MM)
1.0″ to 2.0″ ±0.19″, -0.00″ ±4.8 (MM), -0.00 (MM)
2.0″ to 3.0″ ±0.31″, -0.00″ ±7.9 (MM), -0.00 (MM)
Over 3.0′ Thickness ±0.38″, -0.00″ ±9.6 (MM), -0.00 (MM)
Bolts Drilling Bolt Circle Diameter ±0.06″ ±1.6 (MM)
Spacing Of Bolt Hole ±0.03″ ±0.8 (MM)
The eccentricity of the Circle Of Bolt and Facing vs. Bore ±0.06″ ±1.6 (MM)
Length Through Hub for Weld Neck (WN) Flanges ±0.19″ ±4.8 (MM)

ASME B16.47 Series A Gasket Dimensions


NPS Inside Daimeter (D1) Outer Daimeter Of Gasket (D2)
Class 150 Flanges Class 300 Flanges Class 400 Flanges Class 600 Flanges
26 660 775 835 832 867
28 711 832 899 892 914
30 762 883 953 946 972
32 813 940 1006 1003 1022
34 864 991 1057 1054 1073
36 914 1048 1118 1118 1130
38 965 1111 1054 1073 1105
40 1016 1162 1114 1127 1156
42 1067 1219 1165 1178 1219
44 1118 1276 1219 1232 1270
46 1168 1327 1273 1289 1327
48 1219 1384 1324 1346 1391
50 1270 1435 1378 1403 1448
52 1321 1492 1429 1454 1499
54 1372 1549 1492 1518 1556
56 1422 1607 1543 1568 1613
58 1473 1664 1594 1619 1664
60 1524 1715 1645 1683 1721

ASME B16.47 Series B Gasket Dimensions


NPS Inside Daimeter (D1) Outer Daimeter Of Gasket (D2)
Class 150 Flanges Class 300 Flanges Class 400 Flanges Class 600 Flanges
26 660 725 772 746 765
28 711 776 826 800 819
30 762 827 886 857 879
32 813 881 940 911 933
34 864 935 994 962 997
36 914 987 1048 1022 1048
38 965 1045 1099
40 1016 1095 1149
42 1067 1146 1200
44 1118 1197 1251
46 1168 1256 1318
48 1219 1307 1368
50 1270 1357 1419
52 1321 1408 1470
54 1372 1464 1530
56 1422 1514 1594
58 1473 1580 1656
60 1524 1630 1705

ASME B16.47 Series A Testing And Inspection Plan


ASME B16.47 Flange Inspection and Plan Vendor TPI Inspection Client
Mill test reports(incl.heat treatment records,etc) Hold Point Review Review
Final visual inspection including packaging and quantity control Hold Point Hold Point Review
Non-destructive testing (UT, MT or PT), if applicable Hold Point Witness/R Review
Heat treatment execution, if specified Hold Point Witness point Review
Visual and dimensional and thickness control Hold Point Hold Point Review
Stamping, marking and color coding check Hold Point Witness point Review
Metallographic examination, if applicable Hold Point Witness point Review
Documentation review prior to release(Final activity of Technical Inspection) Hold Point Hold Point Review
Pre-shipment Inspection Hold Point Hold Point Hold Point

ASME B16.47 Series B Facing Finish Imperfections


ASME B16.47 Series B Facing Finish Imperfections
Normal Pipe Size (A) (B)
1/2 3.0 1.5
3/4 3.0 1.5
1 3.0 1.5
1-1/4 3.0 1.5
1-1/2 3.0 1.5
2 3.0 1.5
2-1/2 3.0 1.5
3 4.5 1.5
3-1/2 6.0 3.0
4 6.0 3.0
5 6.0 3.0
6 6.0 3.0
8 8.0 4.5
10 8.0 4.5
12 8.0 4.5
14 8.0 4.5
16 10.0 4.5
18 12.0 6.0
20 12.0 6.0
22 12.0 6.0
24 12.0 6.0

A: radial projection (Max.) imperfections that are no deeper bottom serrations

B: depth or radial projection (Max.) imperfections that are deeper bottom serrations.


B16.47 Series A And B Flanges Wall Thickness


Normal Size Of Steel Pipe Outer Diameter (O.D.) 10 Schedule 20 Schedule 30 Schedule STD Wall 40 Schedule 60 Schedule EXT Hvy 80 Schedule 100 Schedule 120 Schedule 140 Schedule 160 Schedule XX Hvy
½ 0.84 0.083 ... ... 0.109 0.109 ... 0.147 0.147 ... ... ... 0.188 0.294
¾ 1.05 0.083 ... ... 0.113 0.113 ... 0.154 0.154 ... ... ... 0.219 0.308
1 1.315 0.109 ... ... 0.133 0.133 ... 0.179 0.179 ... ... ... 0.25 0.358
1 ¼ 1.66 0.109 ... ... 0.14 0.14 ... 0.191 0.191 ... ... ... 0.25 0.382
1 ½ 1.9 0.109 ... ... 0.145 0.145 ... 0.2 0.2 ... ... ... 0.281 0.4
2 2.375 0.109 ... ... 0.154 0.154 ... 0.218 0.218 ... ... ... 0.344 0.436
2 ½ 2.875 0.12 ... ... 0.203 0.203 ... 0.276 0.276 ... ... ... 0.375 0.552
3 3.5 0.12 - - 0.216 0.216 - 0.3 0.3 - - - 0.438 0.6
3 ½ 4 0.12 - - 0.226 0.226 - 0.318 0.318 - - - - 0.636
4 4.5 0.12 - - 0.237 0.237 - 0.337 0.337 - 0.438 - 0.531 0.674
5 5.563 0.134 - - 0.258 0.258 - 0.375 0.375 - 0.5 - 0.625 0.75
6 6.625 0.134 - - 0.28 0.28 - 0.432 0.432 - 0.562 - 0.719 0.864
8 8.625 0.148 0.25 0.277 0.322 0.322 0.406 0.5 0.5 0.594 0.719 0.812 0.906 0.875
10 10.75 0.165 0.25 0.307 0.365 0.365 0.5 0.5 0.594 0.719 0.844 1 1.125 1
12 12.75 0.18 0.25 0.33 0.375 0.406 0.562 0.5 0.688 0.844 1 1.125 1.312 1
14 14 0.25 0.312 0.375 0.375 0.438 0.594 0.5 0.75 0.938 1.094 1.25 1.406 -
16 16 0.25 0.312 0.375 0.375 0.5 0.656 0.5 0.844 1.031 1.219 1.438 1.594 -
18 18 0.25 0.312 0.438 0.375 0.562 0.75 0.5 0.938 1.156 1.375 1.562 1.781 -
20 20 0.25 0.375 0.5 0.375 0.594 0.812 0.5 1.031 1.281 1.5 1.75 1.969 -
22 22 0.25 - - 0.375 - - 0.5 - - - - - -
24 24 0.25 0.375 0.562 0.375 0.688 0.969 0.5 1.219 1.531 1.812 2.062 2.344 -
26 26 - - - 0.375 - - 0.5 - - - - - -
30 30 0.312 0.5 0.625 0.375 - - 0.5 - - - - - -