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Class 300 Flange Dimensions in MM

Sizes in Stock

Sizes in Stock

1/2" to 24"

Sizes Can Be Manufacture

Sizes Can Be
Manufacture

Up to DN1600

Resistance

Resistance

Alkalies & Salts, Phosphoric, Sulfuric

Classification

Classification

SORF, JRF, BLRF, THRF

Pressure Class

Pressure Class

Class 300

Faces Types

Faces Types

RTJ/ RF/ FF

Connection Types

Connection Types

Welding & Threaded

Application

Application

Petrochemical


Class 300 Flange Overview

Table Of Content

Custom Size AISI 300 Pipe Flange Manufacturer in India


Class 300 Flange Specification


Manufacturing Size Range

300 Flange Manufacturing Sizes

  • ½" to 24"
  • DN15 to DN1500
  • PN 2.5 to PN 400

Pressure Class

Pressure Class for ANSI 300 Flange

  • Class 125, Class 150
  • Class 300, Class 400
  • Class 600, Class 900
  • Class 1500, Class 2500
Faces

300 LB Flange Faces

  • Ring Type Joint (RTJ)
  • Flat Face (FF)
  • Raised Face (RF)
  • T&G & M&F Face
American Standard

American Standard of 300 Rf Flange

  • ASME B16.5
  • ASME B16.47
  • ASME B16.36
  • ASME B16.48
Manufacturing Process

WNRF Flange Class 300 Manufacturing Process

  • Forging
  • Plate
  • and Cast
Thickness

Thickness of ASA 300 Flange

  • Schedule 10/ 20/ 40
  • Schedule 60/ 80/ 120
  • Schedule 140/ 160/ 180

Process

300# Flange Process

  • Forged and Drilling
  • Stamping and Milling
  • Turning and Rolled
Threads

Threads for 300 LB Pipe Flange

  • BSP/ FPT/ NPT
  • BSPT/ MPT (Female)
  • BSPP (Male) & MNPT (Male)
Surface Finish

Class 300 Forged Flange Surface Finish

  • Stock & Mirror Finish
  • Smooth & Serrated Finish
  • Cold Water Finish
Bolts Hole

Bolts Hole of 300 Flange

  • 4 To 8
  • 4 To 24
  • 4 To 48

Application

ANSI 300 Flange Application

  • Oil & Gas
  • Power Generation
  • Power Plants
Packaging

Packaging for 300 LB Flange

  • Carton Box
  • Wooden Case
  • Plastic Bag (Custom)
Suitable Environment

300 Rf Flange Suitable Environment

  • Sulfuric Acid
  • Phosphoric Acid
  • Seawater

Testing

Testing & Inspection of WNRF Flange Class 300

  • Tensile Test
  • Impact Test
  • Material Inspection
Connection

ASA 300 Flange Connection

  • Welding
  • Threaded

European Standard

European Standard for 300# Flange

  • EN 1092-1
  • EN 1092-2

Logistics

300 LB Pipe Flange Logistics

  • By Sea & Air
  • UAE = 7 day
  • Saudi Arabia = 8 day
  • Qatar = 7 day
Origin

Origin of Class 300 Forged Flange

  • Janpanese
  • American
  • Korean
  • European
German Standard

300 Flange German Standard

  • DIN 2501/ 2573
  • DIN 2502/ 2576
  • DIN 2543/ 2633

Japanese Standard

Japanese Standard of ANSI 300 Flange

  • JIS B2311
  • JIS B2312
  • JIS B2220

Shipping Time and Location


Project in Saudi Arabia
  • 22 Inch, 300 LB Flange
  • SABIC
  • Riyadh, Saudi Arabia
Project in Germany
  • 26 Inch, ANSI 300 Flange
  • BASF
  • Ludwigshafen, Germany

IBR Certified 300 LB Forged Flange Supplier in Mumbai At Reasonable Price


Class 300 Blind Flange Price List


Nominal Sizes (mm) Price In USD
25 $ 3.37
15 $ 2.65
65 $ 9.40
40 $ 4.50
125 $ 17.20
300 $ 71.80
500 $ 220.820
20 $ 2.80
32 $ 4.30
50 $ 5.60
100 $ 14.10
200 $ 30.70
400 $ 154

Facing Types Of ANSI 300 Flange


Forms Marking Diagram
Male Female Face M&F Male Female Face
Flat Face RF Flat Face
Lap Joint Face LJRF Lap Joint Face
Raised Face RF Raised Face
Ring Type Joint RTJ Ring Type Joint
Tongue Groove Face T&G Tongue Groove Face

Supply Cold and Hot Forging 300# Flange as per ASME B16.5, View Pressure Rating in Bar


300# Flange Pressure Rating


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

Surface Treatment for 300 LB Pipe Flange


  • Concentric Serrate
  • Stock Finished
  • smooth & Serrated Finish
  • Cold Water
  • Spiral Serrate
  • Mirror finish

Class 300 Flange Bolt Size


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

Select Your Sizes and Types in The Online Inventory of ASA 300 Flange With 4 to 24 Bolt Hole

Class 300 Blind Flange Dimensions In Mm


Class 300 Blind Flange Dimensions In Mm

Nominal Sizes (Inch) Outer Dia. (O.D.)
(A)		 (D)
(B.C.D.)		 Wall Thck. (B)
 Dia. Of BLRF Bolt Holes
 RF Dia. Of
(C)		 # BLRF Flange Bolts
Holes		 Weight in Kg (Kilogram)
20 30-1/2 27 2-1/2 1-3/8 23 24 515
18 28 24-3/4 2-3/8 1-3/8 21 24 414
16 25-1/2 22-1/2 2-1/4 1-3/8 18-1/2 20 315
14 23 20-1/4 2-1/8 1-1/4 16-1/4 20 241
12 20-1/2 17-3/4 2 1-1/4 15 16 183
10 17-1/2 15-1/4 1-7/8 1-1/8 12-3/4 16 122
8 15 13 1-5/8 1 10-5/8 12 79
6 12-1/2 10-5/8 1-7/16 7/8 8-1/2 12 48
5 11 9-1/4 1-3/8 7/8 7-5/16 8 37
4 10 7-7/8 1-1/4 7/8 6-3/16 8 28
3 8-1/4 6-5/8 1-1/8 7/8 5 8 16
2-1/2 7-1/2 5-7/8 1 7/8 4-1/8 8 12
2 6-1/2 5 7/8 3/4 3-5/8 8 8
1-1/4 5-1/4 3-7/8 3/4 3/4 2-1/2 4 6
1 4-7/8 3-1/2 11/16 3/4 2 4 4
1/2 3-3/4 2-5/8 9/16 5/8 1-3/8 4 2

Most Common Types Of Class 300 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


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 Class 300 Spectacle Blind Flanges

ASME Class 300 Spectacle Blind Flanges

ASME 300 LBS Orifice Flanges

ASME 300 LBS Orifice 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

300LB Square Flanges

300LB Square Flanges


Buy PMI Tested ASME B16.5 300 Flange With Gasket and Thickness Chart

Class 300 Flange Gasket


Nominal Sizes (Inch) Flat ring gasket Flat ring and full face gasket Full face gasket
Outer Diameter (O.D.) Inner Dia. Bolt circle Dia. Outer Diameter (O.D.) Number of bolt holes Diameter of holes
mm Inch mm Inch mm Inch mm Inch mm Inch
1 1/2 95.3 3 3/4 48.4 1.91 114.3 4 1/2 155.6 6 1/8 4 22.2 7/8
1/2 54.0 2 1/8 21.4 0.84 66.7 2 5/8 95.3 3 3/4 4 15.9 5/8
1 73.0 2 7/8 33.3 1.31 88.9 3 1/2 123.8 4 7/8 4 19.1 3/4
2 1/2 130.2 5 1/8 73.0 2.88 149.2 5 7/8 190.5 7 1/2 8 22.2 7/8
5 215.9 8 1/2 141.3 5.56 235.0 9 1/4 279.4 11 8 22.2 7/8
3 1/2 165.1 6 1/2 101.6 4.00 184.2 7 1/4 228.6 9 8 22.2 7/8
8 308.0 12 1/8 219.1 8.63 330.2 13 381.0 15 12 28.6 1 1/8
12 422.3 16 5/8 323.9 12.75 450.9 17 3/4 520.7 20 1/2 16 31.8 1 1/4
16 539.8 21 1/4 406.4 16.00 571.5 22 1/2 647.7 25 1/2 20 34.9 1 3/8
20 654.1 25 3/4 508.0 20.00 685.8 27 774.7 30 1/2 24 34.9 1 3/8
  3/4 66.7 2 5/8 27.0 1.06 82.6 3 1/4 117.5 4 5/8 4 19.1 3/4
1 1/4 82.6 3 1/4 42.1 1.66 98.4 3 7/8 133.4 5 1/4 4 19.1 3/4
2 111.1 4 3/8 60.3 2.38 127.0 5 165.1 6 1/2 8 19.1 3/4
3 149.2 5 7/8 88.9 3.50 168.3 6 5/8 209.6 8 1/4 8 22.2 7/8
4 181.0 7 1/8 114.3 4.50 200.0 7 7/8 254.0 10 8 22.2 7/8
6 250.8 9 7/8 168.3 6.63 269.9 10 5/8 317.5 12 1/2 12 22.2 7/8
10 362.0 14 1/4 273.1 10.75 387.4 15 1/4 444.5 17 1/2 16 28.6 1 1/8
14 485.8 19 1/8 355.6 14.00 514.4 20 1/4 584.2 23 20 31.8 1 1/4
18 596.9 23 1/2 457.2 18.00 628.7 24 3/4 711.2 28 24 34.9 1 3/8

Class 300 Flange Thickness


Nominal Sizes (Inch) (RF) Diameter (R) Outer Diameter (O.D) Bolt Circle (BC) Diameter Hub Base (HB) Wall Thck. (T) Holes Diameter SO Bore Inner Diameter (SB) Diameter of Hub Top (HT)
1 2 4.25 3.12 1.94 0.50 0.62 1.36 1.32
3 5 7.50 6 4.25 0.88 0.75 3.57 3.50
21⁄2 4.12 7 5.50 3.56 0.81 0.75 2.94 2.88
31⁄2 5.50 8.50 7 4.81 0.88 0.75 4.07 4
8 10.62 13.50 11.75 9.69 1.06 0.88 8.72 8.63
16 18.50 23.50 21.25 18 1.38 1.12 16.16 16
24 27.25 32 29.50 26.12 1.81 1.38 24.25 24
11⁄4 2.50 4.62 3.50 2.31 0.56 0.62 1.70 1.66
6 8.50 11 9.50 7.56 0.94 0.88 6.72 6.63
14 16.25 21 18.75 15.75 1.31 1.12 14.14 14
22 25.25 29.50 27.25 24.25 1.75 1.38 22.22 22
1⁄2 1.38 3.50 2.38 1.19 0.38 0.62 0.88 0.84
11⁄2 2.88 5 3.88 2.56 0.62 0.62 1.95 1.90
5 7.31 10 8.50 6.44 0.88 0.88 5.66 5.56
12 15 19 17 14.38 1.19 1 12.88 12.75
20 23 27.50 25 22 1.62 1.25 20.20 20
3⁄4 1.69 3.88 2.75 1.50 0.44 0.62 1.09 1.05
2 3.62 6 4.75 3.06 0.69 0.75 2.44 2.38
4 6.19 9 7.50 5.31 0.88 0.75 4.57 4.50
10 12.75 16 14.25 12 1.12 1 10.88 10.75
18 21 25 22.75 19.88 1.50 1.25 18.18 18

Applications of Using 300# Flange


Applications of Using 300# Flange



300# Flange Bolt Chart In mm


Nominal Sizes (Inch) Class 300 Flanges
Diameter of Flange Diameter of Bolt Holes Diameter of Bolt Number of Bolts B.C. (Bolt Circle)
3/4 4-5/8 0.75 5/8 4 3-1/4
1/4 3-3/8 0.62 1/2 4 2-1/4
1-1/4 5-1/4 0.75 5/8 4 3-7/8
2 6-1/2 0.75 5/8 8 5
3 8-1/4 0.88 3/4 8 6-5/8
4 10 0.88 3/4 8 7-7/8
6 12-1/2 0.88 3/4 12 10-5/8
10 17-1/2 1.12 1 16 15-1/4
14 23 1.25 1-1/8 20 20-1/4
18 28 1.38 1-1/4 24 24-3/4
1/2 3-3/4 0.62 1/2 4 2-5/8
1 4-7/8 0.75 5/8 4 3-1/2
1-1/2 6-1/8 0.88 3/4 4 4-1/2
2-1/2 7-1/2 0.88 3/4 8 5-7/8
3-1/2 9 0.88 3/4 8 7-1/4
5 11 0.88 3/4 8 9-1/4
8 15 1 7/8 12 13
12 20-1/2 1.25 1-1/8 16 17-3/4
16 25-1/2 1.38 1-1/4 20 22-1/2
20 30-1/2 1.38 1-1/4 24 27


Types

Material

Top 12 Advantages to Choose Shikhar Steel

Top 12 Advantages to Choose Shikhar Steel

  • NACE Certified Metal Forging Company in India Having Factory of 5,850 Square Feet in Mumbai.

  • Since 2014, PED Approved Fittings Manufacturer as per ANSI B16.9.

  • Indian Oil Approved High Temperature Pipe Fittings Supplier in UAE, Russia, Qatar, Brazil, Oman and Spain.

  • Custom Size Weld Fittings Comes with MTC 10204 Type 3.1/3.2 Suitable for Chemical and Marine Environments.

  • Over 250 Traders and Fabricators in Middle East and European Countries Import Prime Quality BLRF, SORF, WNRF and SWRF Flange Because Our Material is Accepted in ADNOC and Saudi Armco.

  • Stockholder of Ferrous and Non Ferrous Metals As Per ASTM, ASME, DIN, EN, API, JIS and BS Standard and With NDT Testing.

  • Supplying Large Diameter Elbow, Tee and Reducer to Wholesalers and Stockists in Al Jubail, Dubai, Seoul and Johannesburg at Resale Price.

  • Also Keep Custom Specification and Sizes Ex Stock With Stockholders in Bahrain, Belgium and Europe for Urgent Requirements Replacement Situations.

  • Importers in South Africa and West Africa of Premier Nickel Alloy Forging in Various Forms like Fittings & Flanges, Pipe & Tube, Plate & Sheet, Fasteners for Petrochemical and Oil Refineries.

  • Since 12+ Years, Shikhar Steel Rank in Top 4 Exporter of Stainless Steel Forgings at Competitive Price, Compare Price in India, UK, China and Germany.

  • Ask for Free Sample and Price list of High Quality CNC Components.

  • Contact Now If You Need Piping Accessories in Singapore, South Korea, Japan, Taiwan and Kenya.

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