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Refer ANSI 300 SORF, Blind and Weld Neck Flange dimensions in mm


Class 300 Flange

Class 300 Flange Specification


Specification Class 300 Flange
Manufacturer Length NPS 1⁄₂" To NPS 48”
Face Type RTJ/ FF/ RF/ lap joint/ Male & Female / Tongue & Groove.
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
Forging Methods Casting/ Forging/ Rolling/ Cutting
Supporting Material Gasket/ Ring Joint/ Flange Bolts
Schedule SCH 5S, SCH 10, SCH 40, SCH 80, SCH 120, SCH 160, SCH 180 To XXS
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"
Production Technique Forged/ Heat treated and machined
Manufacturer of Forged/ Threaded/ Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Application Bitumen upgraders
Heavy oil refineries.
Nuclear power (mostly seamless).
Petrochemicals and acids.

  • Price stability can be seen in Class 300 Flange manufacturer in India
  • ASME B16.5 Class 300 Welding Neck Flange have high corrosion resistance, particularly to stress corrosion cracking
  • Very little or no maintenance material
  • Class 300 Forged Flanges are suitable for harsh conditions.
  • Buy from Class 300 Flange manufacturer in India for factory price
  • A largest Manufacturer, Traders, Wholesaler, Distributor, Source, Stock, Stockholder, Suppliers, Dealer, Distributor, Importer, Exporter, Fabricator & Stockist in Asia & Middle East.

Why pay extra? Buying from ASME CL300 Slip On Flange manufacturers save your cost, wide selection of ANSI 300 Socket Weld Flange and Orifice Flanges in India


ASME B16.5 Class 300 Flanges Price


Type Of Flange Size In Inch SCH Class Grade Price In INR (India) Per Piece
Stainless Steel Blind Flange 3/4 40 300 ASTM A182 F316L 190.00
1 40 300 - 253.00
- 1-1/2 40 300 - 430.00
- 2 40 300 - 690.00
Blind 4 40 300 - 1150.00
Stainless Steel Weld Neck Flange 2 STD 300 - 500.00
- 4 STD 300 - 790.00
- 6 80 300 - 1287.00
Weld Neck 6 80 300 - 1650.00
Stainless Steel Slip On Flange 2 40 300 - 287.00
- 3 40 300 - 550.00
- 8 80 300 - 1700.00
Slip On 8 80 300 ASTM A182 F316L 2200.00

Types Of Class 300 Forged Flange


ASME CL300 Blind Flanges

ASME CL300 Blind Flanges

ANSI 300 Slip On Flanges

ANSI 300 Slip On Flanges

Welding Neck Flange ASME B16.5 Class 300

Welding Neck Flange ASME B16.5 Class 300

ANSI B16.5 Class 300 Socket Weld Flanges

ANSI B16.5 Class 300 Socket Weld Flanges

ASME B16.5 Class 300 Plate Flanges

ASME B16.5 Class 300 Plate Flanges

ASME 300 Lap Joint Flanges

ASME 300 Lap Joint Flanges

ANSI 300 LBS Threaded Flanges

ANSI 300 LBS Threaded Flanges

ASME 300 LBS Orifice Flanges

ASME 300 LBS Orifice Flanges

ASME Class 300 Spectacle Blind Flanges

ASME Class 300 Spectacle Blind Flanges

ANSI Class 300 RTJ Flanges

ANSI Class 300 RTJ Flanges

 ASME 300lb Raised Face Flanges

ASME 300lb Raised Face Flanges

300# Reducing Flanges

300# Reducing Flanges

ASME B16.5 Class 300 Welding Neck Flanges

ASME B16.5 Class 300 Welding Neck Flanges

 300LB Square Flanges

300LB Square Flanges

ANSI 300 Flat Flanges

ANSI 300 Flat Flanges

ASME CL300 Anchor Flanges

ASME CL300 Anchor Flanges

 ANSI 300 Large Diameter Flanges

ANSI 300 Large Diameter Flanges

Class 300 High Hub Blind Flanges

Class 300 High Hub Blind Flanges

Class 300 Flange Raised Face

Class 300 Flange Raised Face

 Class 300 Rtj Flange

Class 300 Rtj Flange

Class 300 Reducing Flange

Class 300 Reducing Flange

ANSI Class 300 RF Flange

ANSI Class 300 RF Flange

 Class 300 Pipe Flange

Class 300 Pipe Flange

Class 300 Plate Flange

Class 300 Plate Flange

Class 300 Aluminum Flange

Class 300 Aluminum Flange

 Class 300 Stainless Steel Flange

Class 300 Stainless Steel Flange

Class 300 Carbon Steel Flange

Class 300 Carbon Steel Flange

Class 300 Alloy Steel Flange

Class 300 Alloy Steel Flange

 Asa Class 300 Flange

Asa Class 300 Flange

Asme Class 300 Flat Face Flange

Asme Class 300 Flat Face Flange

Class 300 Sorf Flange

Class 300 Sorf Flange

 Gi Flange Class 300

Gi Flange Class 300

ASME Class 300 Lap Joint Flange

ASME Class 300 Lap Joint Flange

22 Nps Ansi 16.5 Class 300 Lapped Flange

22 Nps Ansi 16.5 Class 300 Lapped Flange

Loose Flange Class 300

Loose Flange Class 300

Class 300 Forged Flange

Class 300 Forged Flange


Class 300 Flange Material


Carbon SteelASTM/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)
Stainless SteelASTM/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
Alloy SteelASTM A182 / ASME SA182 F5/ F9/ F11/ F12/ F22/ F91
Brass3602 / 2604 / H59 / H62 / etc.
InconelASTM B564 / ASME SB564, Inconel 600/ 601/ 625/ 718/ 783/ 690/ x750
TitaniumASTM 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
HastelloyASTM B564 / ASME SB564, Hastelloy C276 (UNS N10276)/ C22 (UNS N06022)/ C4/ C2000/ B2/ B3/ X Flanges
MonelASTM B564 / ASME SB564, Monel 400 (UNS No. N04400)/ Monel 500 (UNS No. N05500)
Copper NickelASTM / ASME SB 61 / 62 / 151 / 152/ Copper Nickel 90/10 (C70600 )/ Cupro Nickel 70/30 (C71500)/ UNS C71640
Alloy 20ASTM B462 / ASME SB462/ Carpenter® 20 Alloy/ Alloy 20Cb-3
Aluminium5052 /6061/ 6063 / 2017 / 7075 / etc.
NickelASTM B564 / ASME SB564, Nickel 200/ Nickel 201/ Nickel 205/ Nickel 205LC
DuplexS31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Super DuplexS32750 / S32760 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
IncoloyASTM B564 / ASME SB564, Incoloy 800/ 800H/ 800HT (UNS N08800)/ 825 (UNS N08825)/ 925 Flanges
254 SmoASTM A182 / ASME SA182, SMO 254/6Mo/ UNS S31254/ DIN 1.4547
NimonicNimonic 75/ Nimonic 80A/ Nimonic 90
Other materialTin bronze/ Alumunum bronze/ Lead bronze

Class 300 Flange Dimensions In Mm


Class 300 Flange Dimensions In Mm

Class 300 Slip On Flange Dimensions


Normal Size Of Steel PipeInner DiameterOuter DaimeterSORF Circle Bolt (B.C.)RaisedRaised 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
1/20.883.752.621.38.0631.500.880.500.820.624
3/41.094.623.251.69.0631.881.00.0560.940.754
11.364.883.502.00.0632.121.060.631.000.754
1-1/41.705.253.882.50.0632.501.060.691.000.754
1-1/21.956.124.502.88.0632.751.190.751.130.884
22.446.505.003.62.0633.311.310.821.250.758
2-1/22.947.505.884.12.0633.941.500.941.440.888
33.578.256.625.00.0634.621.691.061.630.888
3-1/24.079.007.255.50.0635.251.751.131.690.888
44.5710.007.886.19.0635.751.881.191.820.888
55.6611.009.257.31.0637.002.001.321.940.888
66.7212.5010.628.50.0638.122.061.382.000.8812
88.7215.0013.0010.62.06310.252.441.562.381.0012
1010.8817.5015.2512.75.06312.622.621.822.561.1216
1212.8820.5017.7515.00.06314.752.881.942.821.2516
1414.1423.0020.2516.25.06316.753.002.062.941.2520
1616.1625.5022.5018.50.06319.003.252.193.191.3820
1818.1828.0024.7521.00.06321.003.502.323.441.3824
2020.2030.5027.0023.00.06323.123.752.443.691.3824
2222.2233.0029.2525.25.06325.254.002.573.941.6324
2424.2536.0032.0027.25.06327.624.192.694.131.6224

Class 300 Weld Neck Flange Dimensions


Class 300 Weld Neck Flange Dimensions
Normal Size Of Steel Pipe in InchNormal Size Of Steel Pipe In MillimeterO.D.Wall ThicknessOuter Daimeter Of HubOuter Daimeter Of WNRFASME B16.5 WNRF LengthWNRF Bore DaimeterRaised Face DiameterHeight Of Raised FacePCDFace Of WNRF
(A)(B)(C)(D)(E)(F)(G)(H)(I)(J)
1/2159512.73821.351Refer Note34.9266.71.6
3/42011514.34826.75642.9282.61.6
12512515.95433.46050.8288.91.6
1 1/43213517.56442.26463.5298.41.6
1 1/24015519.17048.367732114.31.6
25016520.78460.36892.121271.6
2 1/26519023.91007375104.82149.21.6
3802102711788.9781272168.31.6
3 1/29023028.6133101.679139.72184.21.6
410025530.2146114.384157.222001.6
512528033.4178141.397185.722351.6
615032035206168.397215.92269.91.6
820038039.7260219.1110269.92330.21.6
1025044546.1321273116323.82387.41.6
1230052049.3375323.81293812450.81.6
1435058552.4425355.6141412.82514.41.6
1640065055.6483406.4144469.92571.51.6
1845071058.8533457157533.42628.61.6
2050077562587508160584.22685.81.6
2460091568.3702610167692.22812.81.6

300# Rf Flange Dimensions


300# Rf Flange Dimensions

ASME/ANSI

Normal Pipe Size

Outside Diameter Outside Diameter Wall Thickness Dia. Dia. Number Dia.
Dia. Dia. Of OF Flanges OF Bolts OF Bolts
Class Size Of Pipe OF Bolts OF Bolts
OF Flanges (RF) TTf (Circle) Holes
300 6 12.50 8.50 1.38 10.62 0.88 12 0.75
8 15.00 10.62 1.56 13.00 1.00 12 0.87
10 17.50 12.75 1.82 15.25 1.12 16 1.00
12 20.50 15.00 1.94 17.75 1.25 16 1.12
14 23.00 16.25 2.06 20.25 1.25 20 1.12
16 25.50 18.50 2.19 22.50 1.38 20 1.25
18 28.00 21.00 2.31 24.75 1.38 24 1.25
20 30.50 23.00 2.44 27.00 1.38 24 1.25
1 4.88 2.00 0.69 3.50 0.75 4 0.62
1 1/2 6.12 2.88 0.88 4.50 0.88 4 0.75
2 6.50 3.62 1.00 5.00 0.75 8 0.62
3 8.25 5.00 1.25 6.62 0.88 8 0.75
4 10.75 6.19 1.50 8.50 1.00 8 0.87

Class 300 Blind Flange Dimensions


Class 300 Blind Flange Dimensions
(Normal Size Of Steel Pipe) In InchOuter Daimeter Of
(A)
WT (B)
RF Daimeter Of
(C)
(D)
(B.C.D.)
# BLRF Flange Bolts
Holes
Daimeter Of BLRF Bolt Holes
Weight in Kg (Kilogram)
1/23-3/49/161-3/82-5/845/82
3/44-5/85/81-11/163-1/443/43
14-7/811/1623-1/243/44
1-1/45-1/43/42-1/23-7/843/46
1-1/26-1/813/162-7/84-1/247/87
26-1/27/83-5/8583/48
2-1/27-1/214-1/85-7/887/812
38-1/41-1/856-5/887/816
3-1/291-3/165-1/27-1/487/821
4101-1/46-3/167-7/887/828
5111-3/87-5/169-1/487/837
612-1/21-7/168-1/210-5/8127/848
8151-5/810-5/81312179
1017-1/21-7/812-3/415-1/4161-1/8122
1220-1/221517-3/4161-1/4183
14232-1/816-1/420-1/4201-1/4241
1625-1/22-1/418-1/222-1/2201-3/8315
18282-3/82124-3/4241-3/8414
2030-1/22-1/22327241-3/8515
24362-3/427-1/432241-5/8800

Socket Weld Flange Dimensions Class 300


ASME B16.5 Class 150 Socket Weld Flange Dimensions
NPS Of SWRFOuter DiameterDiameter of RFMinimum ThicknessHub DiameterThrough Hub LengthBore DiameterSocket DepthBolt Circle DiameterBolt Holes DiameterFlanges Bolt NumberWeight In Kilogram
(NPS)(O)(R)(tf)(X)(Y)(B1)(B2)(D)(W)(I)(n)(-)
1/29534.912.7382122.215.81066.715.940.67
3/411542.914.3482427.720.91182.619.141.11
112550.815.9542534.526.61388.919.141.43
1 1/413563.517.5642543.235.11498.419.141.79
1 1/215573.019.1702949.540.916114.322.242.57
216592.120.7843261.952.517127.019.183.01
2 1/2190104.823.91003774.662.719149.222.284.55
3210127.027.01174190.777.921168.322.286.18

Orifice Flange Dimensions Class 300


Orifice Flange Dimensions Class 300
Orifice Size in InchchOrifice Size in mmOuter Diameter (O.D.)Orifice Flange ThicknessHub Outer DiameterWeld Neck Outer DiameterLength Of Welding NeckRF DiameterHeight Of RFPCDOrifice Hole diameterNumber of BoltsBolt Size In UNCStud Length Of RFSize Of HoleStud Size In ISOWeight in Kilogram
ABCDEFGHI
12512536.65433.48150.8288.96.445/81253/4M164.5
1 1/24015536.67048.384732114.36.443/41357/8M206.5
25016536.68460.38492.121276.485/81253/4M167
2 1/26519036.61007387104.82149.26.483/41357/8M207.5
38021036.611788.9871272168.39.583/41357/8M209.4
410025536.6146114.390157.2220012.783/41357/8M2013.2
615032036.6206168.398215.92269.912.7123/41357/8M2014.6
820038039.7260219.1110269.92330.212.7127/81451M2430
1025044546.1321273116323.82387.312.71611651 1/8M2741
1230052049.3375323.81293812450.812.7161 1/81801 1/4M3062
1435058552.4425355.6141412.82514.412.7201 1/81851 1/4M3084
1640065055.6483406.4144469.92571.512.7201 1/41951 3/8M33111
1845071058.8533457157533.42628.612.7241 1/42051 3/8M33138
2050077562587508160584.22685.812.7241 1/42151 3/8M33171
2460091568.3702610167692.22812.812.7241 1/22401 5/8M39247

Supplier of ANSI B16.5 Class 300 Lap Joint Flange and ASME 300 Long Weld Neck Flange with stamping, marking & MTR


300# Lap Joint Flange Dimensions


300# Lap Joint Flange Dimensions
Normal Size Of Steel Pipe In InchNormal Size Of Steel Pipe in MMO.D.(WT)Lapped ThicknessInner DaimeterPCDLapped ThicknessLap Joint RadiusLJ Bolts NumberBolts Size In UNCLength Of Machine BoltLength Of (RF) StudLap Joint Flange Bolts Hole SizeISO Stud SizeWeight In Kilogram (KG)
  ABCDEG        
1/21595382222.966.714.3341/255655/8M141.2
3/420115482528.282.615.9345/865753/4M161.4
125125542734.988.917.5345/865753/4M161.4
1 1/432135642743.798.419.1545/870853/4M161.8
1 1/240155703050114.320.7643/475907/8M202.7
250165843362.512722.3885/875903/4M163.2
2 1/2651901003875.4149.225.4883/4851007/8M204.6
3802101174391.4168.328.61083/4901107/8M205.9
3 1/29023013344104.1184.230.21183/4951107/8M207.7
410025514648116.820031.81183/4951157/8M2010
512528017851144.4235351183/41101207/8M2012.7
615032020652171.4269.936.613123/41101207/8M2017.7
820038026062222.2330.241.313127/81201401M2426
1025044532195277.4387.447.7131611401601 1/8M2736
12300520375102328.2450.850.813161 1/81451701 1/4M3052
14350585425111360.2514.45413201 1/81601801 1/4M3075
16400650483121411.2571.557.213201 1/41651901 3/8M3386
18450710533130462.3628.660.413241 1/41701951 3/8M33113
20500775587140514.4685.863.513241 1/41852051 3/8M33143
24600915702153616812.869.913241 1/22052301 5/8M39216

ASME Cl300 Spectacle Blind Flange Dimensions


ASME Cl300 Spectacle Blind Flange Dimensions
Normal Pipe SizeOutside Diameter Of
(A)
Inside Diameter Of
(B)
Center Line
(C)
Wall Thikness
t
Width Of Web
(W)
1/25116656.438
3/46421806.438
17027906.438
1.1/479421006.438
1.1/292481156.438
2108611259.751
2.1/2127731509.751
3146891709.764
3.1/216210218512.764
417811420012.764
521314123515.776
624816827015.776
830521933022.476
1035927338525.4102
1241932445028.4102
1448335651531.8108
1653640657038.1108
1859445763041.1114
2065150868544.5121
2477261081050.8140

ANSI 300 Threaded Flange Dimensions


ANSI 300 Threaded Flange Dimensions
Size Of Bore(D) DiameterWT Of(E)(F) Diameter(B) Diameter(A) DiameterHeightNbrBolts Holes (C)Diameter
1/29512.735.053823.621415.8766.7
3/411514.342.924829.024419.0582.6
112515.950.805435.825419.0588.9
1 1/413517.563.506444.425419.0598.4
1 1/215519.173.157050.329822.22114.3
216520.791.948463.532819.05127.0
2 1/219023.9104.6510076.237822.22149.2
321027.0127.0011792.241822.22168.3
3 1/223028.6139.70133104.943822.22184.2
425530.2157.22146117.646822.22200.0
528033.4185.67178144.449822.22235.0
632035.0215.90206171.4511222.22269.9
838039.7269.75260222.2601225.40330.2
1044546.1323.85321276.2651628.57387.4
1252049.3381.00375328.6711631.75450.8
1458552.4412.75425360.4752031.75514.4
1665055.6469.90483411.2812034.92571.5
1871058.8533.40533462.0872434.92628.6
2077562.0584.20587512.8942434.92685.8
2491568.3692.15702614.41052441.27812.8

ANSI B16.5 Class 300 Plate Flange Dimensions


ANSI B16.5 Class 300 Plate Flange Dimensions

Class 300 Long Weld Neck Flange Dimensions


Class 300 Long Weld Neck Flange Dimensions

(Normal Size Of Steel Pipe)

Outer Diameter Of

(A)

RF

Diameter Of

(B)

WT Of


(C)

Bore

Dia.


(D)

Hub

Dia.

at Base


(J)

Length Of

Hub


(K)

Nuts And Bolts

Stop

Dia.


NS

Nuts And Bolts

Relief

Dia.


NR

Nuts And Bolts

Relief

Length Of


NL

Number

of

Bolts

Holes

Bolts

Holes

Diameter

B.C. ( Bolt

Circle)

Diameters


P

Weight in KG (Kilogram)

1/23 1/21 3/87/160.501 1/491 1/21 1/43/445/82 3/821
3/43 7/81 11/161/20.751 5/891 7/81 5/83/445/82 3/427
14 1/429/161.00292 1/ 423/445/83 1/830
1 1/44 5/82 1/25/81.252 3/892 5/82 3/83/445/83 1/236
1 1/252 7/811/161.502 5/8932 5/83/445/83 7/841
263 5/83/42.003 1/493 11/ 163 1/167/843/44 3/457
2 1/274 1/87/82.503 3/494 7/163 3/47/843/45 1/279
37 1/2515/163.004 1/494 15/154 1/47/843/4686
3 1/28 1/25 1/215/163.504 7/895 15/164 7/87/883/47110
496 3/1615/164.005 1/2126 7/165 1/27/883/47 1/2164
5107 5/1615/165.006 1/2127 1/26 1/2187/88 1/2189
6118 1/216.007 3/4128 1/47 3/4187/89 1/2216
813 1/210 5/81 1/88.009 3/41210 1/29 3/4187/811 3/4292
101612 3/41 3/1610.00121212 7/8121 1/812114 1/4382
1219151 1/412.0014 3/81215 9/1614 3/81 1/212117535
142116 1/41 3/814.00161217 1/8161 1/4121 1/818 3/4585
1623 1/218 1/21 7/1616.00181219 5/8181 1/4161 1/821 1/4714
1825211 9/1618.00201220 15/16201 3/8161 1/422 3/4711
2027 1/2231 11/1620.00221223 3/16221 3/8201 1/425840

ASME B16.5 Class 300 Bleed Or Drip Ring Dimensions


ASME B16.5 Class 300 Bleed Or Drip Ring Dimensions
Normal Pipe Size Inner Diameter
1 63.5
1.1/2 82.6
2 101.6
2.1/2 120.7
3 133.4
4 171.5
6 219.1
8 276.2
10 336.6
12 406.4

ASME 300 Spades And Ring Spacers Dimensions


ASME 300 Spades And Ring Spacers Dimensions

Normal Pipe SizeOutside
Diameter Of
(A)
Inside
Diameter Of
(B)
Center
End
(C)
Wall Thick
ness Of
(T)
Handle
Width
W
1/251161296.432
3/464211366.432
170271396.432
1.1/479421506.432
1.1/292481506.432
2108611589.732
2.1/2127731779.732
3146891779.732
3.1/216210220512.738
417811420512.738
521314124015.738
624816824015.738
830521928122.438
1035927333325.444
1241932436328.444
1448335639531.844
1653640642238.144
1859445745041.151
2065150848044.551
2477261054050.851

ANSI 300 Lbs Studding Outlet Dimensions


Class 300 Studding Outlet Dimensions

Normal BoreOuter DiameterWall ThicknessOuter Diameter of RFCircle Of StudDiameter Of Hole# Number of HolesDepth Of HoleSize Of TapT.P.I.Depth Of TapWeight Of Flat Bottom
(B)(O)(T)(R)(C)()()(U)()()(V)(Base)(per 1″)
1/23.751.251.382.6227/6440.88 1/2130.563.53.1
3/44.621.51.693.2517/3241.12 5/8110.756.44.6
14.881.523.517/3241.12 5/8110.7575.1
1 1/45.251.52.53.8817/3241.12 5/8110.7585.8
1 1/26.121.752.884.521/3241.31 3/4100.88137.8
26.51.53.62517/3281.12 5/8110.75128.5
2 1/27.51.754.125.8821/3281.31 3/4100.881811
38.251.7556.6221/3281.31 3/4100.882214
3 1/291.755.57.2521/3281.31 3/4100.882515
4101.756.197.8821/3281.31 3/4100.883019
5111.757.319.2521/3281.31 3/4100.883621
612.51.758.510.6221/32121.31 3/4100.884427
8151.8810.621349/64121.44 7/8916336
1017.52.1212.7515.25 7/8161.56181.129046
1220.52.251517.751161.811 1/881.2512761
14232.2516.2520.251201.811 1/881.2515374
1625.52.518.522.51 1/8202.121 1/481.4420188
18282.52124.751 1/8242.121 1/481.44235102
2030.52.523271 1/8242.121 1/481.44273118
24362.8827.25321 3/8242.381 1/281.69425160

300 ANSI Flat Face Flange Dimensions


300 ANSI Flat Face Flange Dimensions

NPSPipe DiameterInner DiameterNumber of holesDiameter Of FlangeThickness of FlangeDiameter of (B.C) Bolt CircleDiameter of (B.H) Bolt HolesWeight In KG
(DN)(ISO)(DIN)(D5)(BN)(D)(b)(K)(d2)(KG/PCS)
101414.54901660140.7
17.217.74901660140.69
1520214951665140.77
21.3224951665140.77
20252641051875141.06
26.927.641051875141.05
25303141151885141.27
33.734.441151885141.25
323839414018100181.86
42.443.1414018100181.83
4044.545.5415018110182.12
48.349415018110182.09
505758.1416520125182.78
60.361.1416520125182.74
6576.177.1818522145183.48
8088.990.3820024160184.33
100108109.6823524190225.82
114.3115.9823524190225.61
125133134.8827026220267.91
139.7141.6827026220267.6
150159161.18300282502610.12
168.3170.5830028250269.58
175193.7196.112350322953014.45
200219.1221.812375343203016.9
250267270.212450383853327.28
273276.212450383853326.51
300323.9327.616515424503336.38
350355.6359.716580465103652.83
368372.216580465103650.24
400406.441116660505853974.71
419423.716660505853971.44
500508513.620755526704286.87
600610616.5208905479548121.84
700711716249955890048150.93
80081381824114064103056219.08
90091492028125070114056271.16
10001016102228136078125056344.95

Class 300 RTJ Flange Dimensions


Class 300 RTJ Flange Dimensions
RTJ Flange Size in InchRTJ Flanges Size in MMOuter DiameterWall Thickness Of Ring Type JointOuter Daimeter Of HubOuter Daimeter Of Weld NeckLengths Of Welding NeckDiameter Of RF (Raised Face) Height Of RF (Raised Face)PCDDiameter Pitch Of RTJ FlangesDepth Of RTJ Flanges Ring Type Joint Flange WidthBore
(A)(B)(C)(D)(E)(F)(G)(H)(I)(J)(K)(L)
1/2159512.73821.351515.5466.734.145.547.14
3/42011514.34826.75663.56.3582.642.886.358.74
12512515.95433.460706.3588.950.86.358.74
1 1/43213517.56442.26479.56.3598.460.336.358.74
1 1/24015519.17048.36790.56.35114.368.276.358.74
25016520.78460.3681087.9212782.557.9211.91
2 1/26519023.910073751277.92149.2101.67.9211.91
3802102711788.9781467.92168.3123.837.9211.91
3 1/29023028.6133101.6791597.92184.2131.787.9211.91
410025530.2146114.3841757.92200149.237.9211.91
512528033.4178141.3972107.92235180.987.9211.91
615032035206168.3972417.92269.9211.127.9211.91
820038039.7260219.11103027.92330.2269.887.9211.91
1025044546.13212731163567.92387.4323.857.9211.91
1230052049.3375323.81294137.92450.83817.9211.91
1435058552.4425355.61414577.92514.4419.17.9211.91
1640065055.6483406.41445087.92571.5469.97.9211.91
1845071058.85334571575757.92628.6533.47.9211.91
20500775625875081606359.53685.8584.29.5313.49
2460091568.370261016774911.13812.8692.1511.1316.66

Class 300 Flange Thickness In Mm


NPSOuter Diameter
(O.D)
Minimum Wall Thickness
(T)
(RF) Diameter
(R)
Number of Bolt HolesHoles DiameterBC
(Bolt Circle)
SO Bore Inner Diameter
(SB)
WN Bore Inner Diameter
(WB)
Diameter Hub Base
(HB)
Diameter of Hub Top
(HT)
SO Length
(SL)
WN Length
(WL)
123.500.381.3840.622.380.880.621.190.840.561.81
343.880.441.6940.622.751.090.821.501.050.562.00
14.250.502.0040.623.121.361.051.941.320.622.12
1144.620.562.5040.623.501.701.382.311.660.752.19
1125.000.622.8840.623.881.951.612.561.900.812.38
26.000.693.6240.754.752.442.073.062.380.942.44
2127.000.814.1240.755.502.942.473.562.881.062.69
37.500.885.0040.756.003.573.074.253.501.122.69
3128.500.885.5080.757.004.073.554.814.001.192.75
49.000.886.1980.757.504.574.035.314.501.252.94
510.000.887.3180.888.505.665.056.445.561.383.44
611.000.948.5080.889.506.726.077.566.631.503.44
813.501.0610.6280.8811.758.727.989.698.631.693.94
1016.001.1212.75121.0014.2510.8810.0212.0010.751.883.94
1219.001.1915.00121.0017.0012.8812.0014.3812.752.124.44
1421.001.3116.25121.1218.7514.1413.2515.7514.002.194.94
1623.501.3818.50161.1221.2516.1615.2518.0016.002.444.94
1825.001.5021.00161.2522.7518.1817.2519.8818.002.625.44
2027.501.6223.00201.2525.0020.2019.2522.0020.002.815.62
2229.501.7525.25201.3827.2522.2221.2524.2522.003.075.82
2432.001.8127.25201.3829.5024.2523.2526.1224.003.195.94

10 Inch 300 Lb Flange Bolt Size


NPS
Class 300 Flanges
Diameter
of Bolt
Circle (B.C.)
Diameter
of
Bolts
Number
of
Bolts
Bolts Length
Stud Bolts For
Raised Face (RF)
Machine Bolts For
Raised Face (RF)
1/2
2-5/8
1/2
4
2-1/2
2
3/4
3-1/4
5/8
4
2-3/4
2-1/2
1
3-1/2
5/8
4
3
2-1/2
1-1/4
3-7/8
5/8
4
3
2-3/4
1-1/2
3-1/2
3/4
4
3-1/2
3
2
5
5/8
8
3-1/4
3
2-1/2
5-7/8
3/4
8
3-3/4
3-1/4
3
6-5/8
3/4
8
4
3-1/2
3-1/2
7-1/4
3/4
8
4-1/4
3-3/4
4
7-7/8
3/4
8
4-1/4
3-3/4
5
9-1/4
3/4
8
4-1/2
4
6
10-5/8
3/4
12
4-3/4
4-1/4
8
13
7/8
12
5-1/4
4-3/4
10
15-1/4
1
16
6
5-1/4
12
17-3/4
1-1/8
16
6-1/2
5-3/4
14
20-1/4
1-1/8
20
6-3/4
6
16
22-1/2
1-1/4
20
7-1/4
6-1/2
18
24-3/4
1-1/4
24
7-1/2
6-3/4
20
27
1-1/4
24
8
7
22
29-1/4
1-1/2
24
8-3/4
7-1/2
24
32
1-1/2
24
9
7-3/4
26
34-1/2
1-5/8
28
10
8-3/4
30
39-1/4
1-3/4
28
11-1/4
10
34
43-1/2
1-7/8
28
12-1/4
10-3/4
36
46
2
32
12-3/4
11-1/4
42
52-3/4
2
36
13-3/4
13

300# Flange Bolt Holes Number


NPS In
(inches)
Class 300 Flanges
Dia. of
Flange
(inches)
Number
of
Bolts
Dia. of
Bolts In
(inches)
Dia. of
Bolt Holes
(inches)
Bolt
Circle (B.C.)
In (inches)
1/43-3/841/20.622-1/4
1/23-3/441/20.622-5/8
3/44-5/845/80.753-1/4
14-7/845/80.753-1/2
1-1/45-1/445/80.753-7/8
1-1/26-1/843/40.884-1/2
26-1/285/80.755
2-1/27-1/283/40.885-7/8
38-1/483/40.886-5/8
3-1/2983/40.887-1/4
41083/40.887-7/8
51183/40.889-1/4
612-1/2123/40.8810-5/8
815127/8113
1017-1/21611.1215-1/4
1220-1/2161-1/81.2517-3/4
1423201-1/81.2520-1/4
1625-1/2201-1/41.3822-1/2
1828241-1/41.3824-3/4
2030-1/2241-1/41.3827
2436241-1/21.6232

Class 300 Flange Diameter And Drilling


Nominal Pipe DiameterPressure Rating In (PN)
Size Of **Nominal BSP PipePN 6PN 10PN 16PN 25PN 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


ASME Class 300 Blind Flange Manufacturing Process


ASME Class 300 Blind Flange Manufacturing Process

Raw Material

  • Raw Materia
  • Materia Dimension And Visual
  • Materia Quantity
ASME Class 300 Blind Flange Manufacturing Process

Inspection

  • Chemical And Mechanical Analysis
  • Analysis Of Preservation Certificate
ASME Class 300 Blind Flange Manufacturing Process

Cutting

  • Cut Surface
  • Marking
  • Weight Measuring
ASME Class 300 Blind Flange Manufacturing Process

Forging Flange

  • Grade Of Material
  • Control Flange Temperature
ASME Class 300 Blind Flange Manufacturing Process

Heat Treatment

  • Flange Solution Treatment
  • Flanges Mechanical Test
  • Normalizing
ASME Class 300 Blind Flange Manufacturing Process

Forging Rolling Of Flange

  • Check Dimension
  • Check Marking
  • Check Weight
ASME Class 300 Blind Flange Manufacturing Process

Final Inspection Of Pipe Flange

  • Test Of Visual
  • Test Of Nondestructive
ASME Class 300 Blind Flange Manufacturing Process

Rust Prevention

  • View Preserve
  • Marking
  • Heat Number
ASME Class 300 Blind Flange Manufacturing Process

Packaging

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

ANSI Class 300 Weld Neck Flange Installation


ANSI Class 300 Weld Neck Flange Installation

Class 300 Stainless Steel Flange Surface Finish


Class 300 Stainless Steel Flange Surface Finish
Normal Pipe Size(A)(B)
1/23.01.5
3/43.01.5
13.01.5
1-1/43.01.5
1-1/23.01.5
23.01.5
2-1/23.01.5
34.51.5
3-1/26.03.0
46.03.0
56.03.0
66.03.0
88.04.5
108.04.5
128.04.5
148.04.5
1610.04.5
1812.06.0
2012.06.0
2212.06.0
2412.06.0

Facing Types Of Class 300 LB Flanges


Facing Types Of Class 300 LB Flanges

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

Class 300 Flange Weight


Normal Size Of Steel PipeDimensions In MillimeterASME B16.5 Flanges Weight In Kilogram
Normal Size Of Steel Pipe In InchesSize In MillimeterClass 300 Flanges
Outer Daimeter (O.D.) In
(MM)
300# Flanges
Wall Thickness Of
(D)
In M)
(Class 300 Slip On Flanges)
(Class 300 Socket Weld Flanges)
(Class 300 Weld Neck Flanges)(Class 150 Blind Flanges)
1/21588.911.20.40.50.4
3/42098.612.70.60.70.6
12510814.20.810.9
1 1/432117.315.711.31.2
1 1/24012717.51.31.71.5
250152.419.12.12.62.4
2 1/265177.822.43.34.13.9
380190.523.93.94.94.9
3 1/290215.923.94.86.16.2
4100228.623.95.36.87.0
512525423.96.18.68.6
6150279.425.47.510.611.3
8200342.928.412.117.619.6
10250406.430.216.52428.6
12300482.631.826.236.543.2
14350533.435.134.648.458.1
16400596.936.644.860.676.1
1845063539.648.968.393.7
20500698.542.961.984.5122.0

Manufacturer of ASME B16.5 Class 300 Threaded Flange and ANSI 300 LBS Spectacle Blind Flange in RJ, Groove, Raised, RTJ, Male, Flat, Female, Tongue face, check ansi 300 flange dimensions in mm and pressure rating

ANSI Class 300 Flange Pressure Rating


Temperature (in F°)
Class 300 Flange
100
740
200
680
300
655
400
635
500
605
600
570
650
550
700
530
750
505
800
410
850
320
900
230
950
135
1000
85

Manufacturer of DIN 24154/ DIN 86044 ASME 300 Flat Flanges and ANSI 300 LBS Puddle Flanges cutted from sheet, check flange dimensions 300

Class 300 Flange Pipe Schedule


Normal Size Of Steel PipeOuter Diameter (O.D.)10 Schedule20 Schedule30 ScheduleSTD Wall40 Schedule60 ScheduleEXT Hvy80 Schedule100 Schedule120 Schedule140 Schedule160 ScheduleXX Hvy
½0.840.083......0.1090.109...0.1470.147.........0.1880.294
¾1.050.083......0.1130.113...0.1540.154.........0.2190.308
11.3150.109......0.1330.133...0.1790.179.........0.250.358
1 ¼1.660.109......0.140.14...0.1910.191.........0.250.382
1 ½1.90.109......0.1450.145...0.20.2.........0.2810.4
22.3750.109......0.1540.154...0.2180.218.........0.3440.436
2 ½2.8750.12......0.2030.203...0.2760.276.........0.3750.552
33.50.12--0.2160.216-0.30.3---0.4380.6
3 ½40.12--0.2260.226-0.3180.318----0.636
44.50.12--0.2370.237-0.3370.337-0.438-0.5310.674
55.5630.134--0.2580.258-0.3750.375-0.5-0.6250.75
66.6250.134--0.280.28-0.4320.432-0.562-0.7190.864
88.6250.1480.250.2770.3220.3220.4060.50.50.5940.7190.8120.9060.875
1010.750.1650.250.3070.3650.3650.50.50.5940.7190.84411.1251
1212.750.180.250.330.3750.4060.5620.50.6880.84411.1251.3121
14140.250.3120.3750.3750.4380.5940.50.750.9381.0941.251.406-
16160.250.3120.3750.3750.50.6560.50.8441.0311.2191.4381.594-
18180.250.3120.4380.3750.5620.750.50.9381.1561.3751.5621.781-
20200.250.3750.50.3750.5940.8120.51.0311.2811.51.751.969-
22220.25--0.375--0.5------
24240.250.3750.5620.3750.6880.9690.51.2191.5311.8122.0622.344-
2626---0.375--0.5------
30300.3120.50.6250.375--0.5------

Class 300 Flange Gasket Dimensions In Mm


Class 300 Flange Gasket Dimensions In Mm
(Normal Size Of Steel Pipes) In Inch (I.D.) Inner Daimeter Gasket
(O.D.) Outer Daimeter Gasket
Class 150#/ LB Class 300#/ LB Class 400#/ LB Class 600#/ LB Class 900#/ LB
1/2 0.84 1.875 2.125 2.125 2.125 2.50
3/4 1.06 2.25 2.625 2.625 2.625 2.75
1 1.31 2.625 2.875 2.875 2.875 3.125
1 1/4 1.66 3 3.25 3.25 3.25 3.50
1 1/2 1.91 3.375 3.75 3.75 3.75 3.875
2 2.38 4.125 4.375 4.375 4.375 5.625
2 1/2 2.88 4.875 5.125 5.125 5.125 6.50
3 3.50 5.375 5.875 5.875 5.875 6.625
4 4.50 6.875 7.125 7.00 7.625 8.125
5 5.56 7.75 8.50 8.375 9.50 9.75
6 6.62 8.75 9.875 9.75 10.50 11.375
8 8.62 11 12.125 12.00 12.625 14.125
10 10.75 13.375 14.25 14.125 15.75 17.125
12 12.75 16.125 16.625 16.50 18.00 19.625

ASME B16.5 Class 300 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


Torque Table For Class 300 Flange


Pipe Flange Size Inch Pipe Flange Size MM (Maximum) Radial Projection
No Deeper Than the Bottom In Millimeter Deeper Than the Bottom In Millimeter
1/2 15 3.0 1.5
3/4 20 3.0 1.5
1 25 3.0 1.5
1 1/4 32 3.0 1.5
1 1/2 40 3.0 1.5
2 50 3.0 1.5
2 1/2 65 3.0 1.5
3 80 4.5 1.5
3 1/2 90 6.0 3.0
4 100 6.0 3.0
5 125 6.0 3.0
6 150 6.0 3.0
8 200 8.0 4.5
10 250 8.0 4.5
12 300 8.0 4.5
14 350 8.0 4.5
16 400 10.0 4.5
18 450 12.0 6.0

Class 300 Flange Pressure Rating Stainless Steel


Class 300 Flange Pressure Rating Stainless Steel