Types of Flanges Manufacturer And Supplier

Flanges|Flanges Supplier | Flanges Manufacturer in India | Different Types of Flanges Flanges Price in India | SS Flanges Exporter| Blind Flanges| Slip-on Flanges | Lap Joint Flanges | Threaded Flanges | Weld Neck Flanges| Socket Weld Flanges | All Types of Flanges Available

Flanges play a crucial role in various industrial applications, connecting pipes and facilitating the flow of liquids and gasses. Choosing the right flange supplier and manufacturer is essential for ensuring the quality, durability, and performance of your system. In this regard, Prashaant Steel & Alloys stands out as a reliable provider of flanges and other steel products.

With years of experience and a commitment to excellence, Prashaant Steel & Alloys is a trusted source for flanges in various materials and specifications. From carbon steel and stainless steel to alloy steel and other materials, the company offers a wide range of flanges to meet the demands of different applications

One of the key strengths of Prashaant Steel & Alloys is its ability to manufacture custom flanges that meet specific customer requirements. Whether you need flanges in a specific size, thickness, or material, the company has the expertise to deliver exactly what you need. This level of customization ensures that your flanges are perfectly suited to your specific system and application.

In addition to high-quality flanges, Prashaant Steel & Alloys is known for its exceptional customer service. The company’s team of experts is available to assist you with all aspects of your flange needs, from selecting the right product to ensuring that it is delivered on time and at the right price. Whether you are looking for a reliable flange supplier for a new project or need to replace worn or damaged components, Prashaant Steel & Alloys is here to help.

We make five of the most popular types of flanges: Nozzle Flanges, Weld Neck Flanges, Threaded Flanges, Slip On Flanges, and Blind Flanges. Flanges are used in many industries, such as petrochemical plants, refineries, pharmaceutical plants, oil and gas transportation, power generation, marine, and wastewater treatment plants, among others. Steel Flange is a plate that can be used to cover or close the end of a pipe. We call this a blind flange.

So if you are looking for a flange supplier and manufacturer that offers quality, reliability, and exceptional customer service, look no further than Prashaant Steel & Alloys. Contact the company today to learn more about its flange products and services.

Types Of Flanges

Stainless Steel Slip On Flanges
Stainless Steel Slip On Flanges
Weld Neck Flanges
Weld Neck Flanges
Lap Joint Flange

Lap Joint Flange

Threaded Flange

Threaded Flange

Socket Weld Flange

Socket Weld Flange

Blind Flanges

Blind Flanges

Nipo Flanges
Nipo Flanges
Nozzle Flanges
Nozzle Flanges
Weldo Flange
Weldo Flange
Orifice Flanges
Orifice Flanges
Spectacle Flange
Spectacle flanges
Long Weld Neck Flanges
Long Weld Neck Flanges
Ibr Flanges
IBR Flanges
Spades & Ring Spacer Flanges
Spades & Ring Spacer Flanges

Different Types of Flanges Specification

Flanges Size Chart 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000
Flanges Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Flanges Pressure Rating ANSI Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Flanges
Flanges Pressure Calculation in DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 Flanges
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized Flanges
Most common types of Flanges Forged / Threaded / Screwed / Plate
Flanges Manufacturers in india

ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
Flanges: -BS Flanges, EN Flanges, API 6A Flanges, ANSI Flanges, ASME Flanges, DIN Flanges, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange

  • German (DIN)
  • British standard (BS)
  • DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 Flanges
  • B.S: BS4504 , BS3293, BS1560, BS10
  • AS 2129: Table D; Table E; Table H
  • ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings
  • ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48
  • ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48
  • American standard (ANSI)
  • The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276
Flanges Uses & application
  • Bitumen upgraders.
  • Heavy oil refineries.
  • Nuclear power (mostly seamless).
  • Petrochemicals and acids.
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
JIS Flanges 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K Flanges
UNI Flanges 6Bar 10Bar 16Bar 25Bar 40Bar Flanges
EN Flanges 6Bar 10Bar 16Bar 25Bar 40Bar Flanges
Connect Type/ Flanges Face Type Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove
Flanges Special design

As per your drawing

AS, ANSI, BS, DIN and JIS
15 NB (1/2″) to 200 NB (8″)
Equal and Reducing Configurations

Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector
Equipment Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc
Origin Indian / West Europe / Japan / USA / Korean
Export to Ireland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175
Flanges Chemical Composition
Grade C Mn Si P S Cr Mo
F1 0.15 max 0.3-0.6 0.5 0.03 0.03 4-6 0.44-0.65
F5 0.15 max 0.3-0.6 0.5-1.0 0.03 0.03 4-6 0.44-0.65
F9 0.15 max 0.3-0.6 0.5-1.0 0.03 0.03 8-10 0.9-1.1
F11 0.5-0.15 0.3-0.6 0.5-1.0 0.03 0.03 1.0-1.5 0.44-0.65
F12 0.15 max 0.3-0.6 0.5 0.03 0.03 4-6 0.44-0.65
F22 0.50.15 max 0.3-0.6 0.5 0.03 0.03 4-6 0.44-0.65
F91 0.15 max 0.3-0.6 0.5-1.0 0.03 0.03 8-10 0.9-1.1
Flanges Mechanical Properties
Grade Tensile Strength Yield Strength (0.2%Offset) Elongation
F1 275 485 20 %
F5 275 485 20 %
F9 380 585 20 %
F11 205 415 20 %
F12 275 485 20 %
F22 205 415 20 %
F91 380 585 20 %
Flanges Dimensions
Flanges Dimensions
DN
(inch)
Dimension ANSI B16.5 Flange Dimensional Sizes 3 to 10 inches Table Chart
125 lbs
150 lbs
300 lbs 400 lbs 600 lbs 900 lbs 1500 lbs 2500 lbs
inch mm inch mm inch mm inch mm inch mm inch mm inch mm
3 A 7 1/2 190.5 81/4 209.6 81/4 209.6 8 1/4 209.6 9 1/2 241 10 1/2 267 12 305
b 15/16 23.8 1 1/8 28.6 11/4 31.8 1 1/4 31.8 1 1/2 38.1 1 7/8 47.6 2 5/8 66.7
D2 5 127 5 127 5 127 5 127 5 127 5 127 5 127
D1 6 152.4 6 5/8 168.3 6 5/8 168.3 6 5/8 168.3 71/2 190.5 8 203 9 228.6
n 4 4 8 8 8 8 8 8 8 8 8 8 8 8
d 3/4 19 7/8 22.2 7/8 22.2 7/8 22.2 1 25.4 1 1/4 31.8 1 3/8 34.9
3 1/2 A 8 1/2 215.9 9 228.6 9 228.6 9 228.6
b 15/16 23.8 13/16 30.2 13/8 34.9 13/8 34.9
D2 5 1/2 139.7 5 /2 139.7 5 1/2 139.7 5 1/2 139.7
D1 7 177.8 7 1/4 184.2 7 1/4 184.2 7 1/4 184.2
n 8 8 8 8 8 8 8 8
d 3/4 19 7/8 22.2 1 25.4 1 25.4
4 A 9 228.6 10 254 10 254 10 3/4 273 11 1/2 292 12 1/4 311 14 356
b 15/16 23.8 1 1/4 31.7 1 3/8 34.9 1 1/2 38.1 1 3/4 44.4 2 1/8 54 3 76.2
D2 6 3/16 157.2 6 3/16 157.2 6 3/16 157.2 6 3/16 157.2 6 3/16 157.2 6 3/16 157.2 6 3/16 157.2
D1 7 1/2 190 7 7/8 200 7 7/8 200 8 1/2 215.9 9 1/4 235 9 1/2 241 10 3/4 273
n 8 8 8 8 8 8 8 8 8 8 8 8 8 8
d 3/4 19 7/8 22.2 1 25.4 1 25.4 1 1/4 31.8 1 3/8 34.9 1 5/8 41.3
5 A 10 254 11 279.4 11 279.4 13 330.2 13 3/4 349 14 3/4 375 16 1/2 419
b 1 5/16 23.8 13/8 34.9 1 1/2 38.1 1 3/4 44.4 2 50.8 2 7/8 73 3 5/8 92.1
D2 7 5/16 185.7 7 5/16 185.7 7 5/16 185.7 7 5/16 185.7 7 5/16 185.7 7 5/16 185.7 7 5/16 185.7
D1 8 1/2 215.9 9 1/4 234.9 9 1/4 234.9 10 1/2 266.7 11 279 11 1/2 292 12 3/4 324
n 8 8 8 8 8 8 8 8 8 8 8 8 8 8
d 7/8 22.2 7/8 22.2 1 25.4 1 1/8 28.6 1 3/8 34.9 1 5/8 41.3 1 7/8 47.6
6 A 11 279 12 1/2 317.5 12 1/2 317.5 14 355.6 15 381 15 1/2 394 19 483
b 1 25.4 17/16 36.5 1 5/8 41.3 1 7/8 47.6 2 3/16 55.6 3 1/4 82.6 4 1/4 108
D2 8 1/2 216 8 1/2 215.9 8 1/2 215.9 8 1/2 215.9 8 1/2 215.9 8 1/2 215.9 8 1/2 216
D1 9 1/2 241 10 5/8 269.9 10 5/8 269.9 11 1/2 292.1 12 1/2 318 12 1/2 318 14 1/2 368
n 8 8 12 12 12 12 12 12 12 12 12 12 8 8
d 7/8 22.2 7/8 22.2 1 25.4 1 1/8 28.6 1 1/4 31.8 1 1/2 38.1 2 1/8 54
8 A 13 1/2 342.9 15 381 15 381 16 1/2 419 18 1/2 470 19 482.6 21 3/4 552
b 1 1/8 28.6 1 5/8 41.3 1 7/8 47.6 2 3/16 55.6 2 1/2 63.5 3 5/8 92.1 5 127
D2 10 5/8 269.9 10 5/8 269.9 10 5/8 269.9 10 5/8 269.9 10 5/8 269.9 10 5/8 269.9 10 5/8 269.9
D1 11 3/4 298.4 13 330.2 13 330.2 13 3/4 349.2 15 1/2 394.2 15 1/2 394.2 17 1/4 438
n 8 8 12 12 12 12 12 12 12 12 12 12 12 12
d 7/8 22.2 1 25.4 1 1/8 28.6 1 1/4 31.8 1 1/2 38.1 1 3/4 44.5 2 1/8 54
10 A 16 406.4 17 1/2 444.5 17 1/2 444.5 20 508 21 1/2 546 23 584 26 1/2 673
b 1 3/16 30.2 1 7/8 47.6 2 1/8 54 2 1/2 63.5 2 3/4 69.8 4 1/4 108 6 1/2 165
D2 12 3/4 323.8 12 3/4 323.8 12 3/4 323.8 12 3/4 323.8 12 3/4 323.8 12 3/4 323.8 12 3/4 323.8
D1 14 1/4 361.9 15 1/4 387.4 15 1/4 387.4 17 431.8 18 1/2 470 19 482.6 21 1/4 540
n 12 12 16 16 16 16 16 16 16 16 12 12 12 12
d 1 25.4 1 1/8 28.6 1 1/4 31.8 1 3/8 34.9 1 1/2 38.1 2 50.8 2 5/8 66.7
Flange Weight Chart
Flange Weights by Pressure Class and Size
Pipe Size 150 # 300 # 600 # 900 # 1500 # 2500 #
WN SO BLD WN SO BLD WN SO BLD WN SO BLD WN SO BLD WN SO BLD
1/2″ 2 1 1 2 1 1 2 2 2 SEE 1500 # WEIGHTS 5 4 4 7 7 7
3/4″ 2 2 2 3 3 3 4 3 3 SEE 1500 # WEIGHTS 6 5 6 8 8 8
1″ 3 2 2 4 3 3 4 4 4 SEE 1500 # WEIGHTS 9 8 8 12 11 11
1 1/2″ 4 3 3 7 6 6 8 7 8 SEE 1500 # WEIGHTS 13 12 13 25 22 23
2″ 6 5 5 9 7 8 12 9 10 SEE 1500 # WEIGHTS 25 25 25 42 37 39
2 1/2″ 8 7 7 12 10 12 18 13 15 SEE 1500 # WEIGHTS 36 36 35 52 55 56
3″ 10 8 9 15 13 16 23 16 20 31 26 29 48 48 48 94 83 86
4″ 15 13 17 25 22 27 42 37 41 53 53 54 73 73 73 145 125 130
5″ 19 15 20 32 28 35 68 63 68 86 83 87 130 130 140 245 210 225
6″ 24 19 26 42 39 50 81 80 86 110 110 115 165 165 160 380 325 345
8″ 39 30 45 67 58 81 120 115 140 175 170 200 275 260 300 580 485 530
10″ 52 43 70 91 81 124 190 170 230 260 245 290 455 435 510 1075 930 1025
12″ 80 64 110 140 115 185 225 200 295 325 325 415 690 580 690 1525 1100 1300
14″ 110 90 140 180 165 250 280 230 355 400 400 520 940 NA 975 NA NA NA
16″ 140 98 180 250 190 295 390 330 495 495 425 600 1250 NA 1300 NA NA NA
18″ 150 130 220 320 250 395 475 400 630 680 600 850 1625 NA 1750 NA NA NA
20″ 180 165 285 400 315 505 590 510 810 830 730 1075 2050 NA 2225 NA NA NA
22″ 225 185 355 465 370 640 720 590 1000 NA NA NA NA NA NA NA NA NA
24″ 260 220 430 580 475 790 830 730 1250 1500 1400 2025 3325 NA 3625 NA NA NA
Flanges in Acc. with EN / DIN
Type EN DIN
Weld Neck Flanges 11 2627 – 2638
Blind Flanges 05 2527
Threaded Flanges 13 2558 | 2565 – 2569
Flat Flanges for Welding 01 2573 | 2576
Loose Flanges 02 2641 | 2642 | 2655 | 2656
Loose Flanges 04 2673 – 2676
Weld-on Collars 32 2641 | 2642 | 2655 | 2656
Weld Neck Collars 34 2673 – 2676
Slip-on Flanges 12 86029 | 86030
Weld Flanges for Pressure Vessels 28031 | 28033
Lapped Flanges 86037
Welding Flanges 86041
Exhaust gas line Flanges 86044
Special Flanges in accordance with drawings
Flanges for automatic welding processes in acc. with PAS 1057-6
Flange versions
Flange versions Flat steel, edgewise, as a flange
Flat steel, flat, as a tire
square steel
Round steel
Angle steel, thighs outwards
Angle steel, wide leg to the outside
Angle steel, narrow leg to the outside
Angle steel, thighs inside
Angle steel, wide leg inside
Angle steel, narrow leg inside
T-steel, bridge inside
T-steel, bridge to the outside
T-steel, foot bent upright
U-steel, opening to the outside
U-steel, opening inwards
Double-T carrier (bent around the X-axis)
Double-T carrier (bent around the Y-axis)
Rectangular tube, high edge
Rectangular tube, flat
square tube
round tube
FLANGES EN
V-flanges type 11 according to EN 1092-1

 

  • PN10, PN16, PN25, PN40, PN63, PN100, PN160

 

ASTM
WN flanges according to ANSI B16.5, ANSI B16.47 series A + B

 

  • class 150, class 300, class 600, class 900, class 1500, class 2500

 

BLIND FLANGES Type 05 according to EN 1092-1

 

  • PN10, PN16, PN25, PN40, PN63, PN100

 

ANSI B16.5, ANSI B16.47 Series A + B

 

  • class 150, class 300, class 600, class 900, class 1500, class 2500

 

LOOSE FLANGES, SMOOTH FLANGES, FLARES AND COLLARS EN 1092-1 different pressure levels according to ANSI B16.5

  • Slip-on flanges
  • Socket-weld flanges
  • Lap-joint flanges
  • Threaded
  • Long-welding-neck flanges
  • Reducer
VARIOUS SEALING STRIP SHAPES Form A, Form B1 / B2, Form C, Form D,
Form E, Form F, Form G, Form H Linseneindrehung
  • Raised face
  • Ring type joint (RTJ)
  • Large / small male or female
  • Large / small tongue or groove
MATERIAL GRADES P250GH

  • 16Mo3, 10CrMo9-10, 13CrMo4-5, X10CrMoVNb9-1
  • P355QH / QH1
  • 1.4541, 1.4571, 1.4301, 1.4306, 1.4307, 1.4401, 1.4404
  • 1.4948, 1.4878, 1.4550
  • 1.4539, 1.4462, 1.4547, 1.4410
  • A105N
  • A182 F5, A182 F11, A182 F12, A182 F22, A182 F91, A182 F92 A350 LF2
  • A694 F52, A694F60, A694 F65
  • A182 F304 / 304L, A182 F316 / 316L
  • A182 F321, A182 F321H, A182 F304H, A182 F347, A182 F347H
  • A182 F904L, duplex, super duplex
Flanges Pressure Rating & Flanges Standards
ASME/ANSI B 16.5 Welding Neck Flange, Slip on Flange, Blind Flange, High Hub Blind, Socket Weld, Lap Joint, Threaded Flange, Ring Type Joint
PRESSURE CLASS 150, 300, 400, 600, 900, 1500, 2500
ASME/ANSI B 16.47 Welding Neck, Blind Flange [Series A & B]
PRESSURE CLASS 75, 150, 300, 400, 600, 900
ASME/ANSI B 16.36 Welding Neck, Slip on Flange, Threaded Flange
PRESSURE CLASS 300, 400, 600, 900, 1500, 2500
BS 4504 SEC 3.1 Welding Neck, Hubbed Slip on Flange, Hubbed Threaded Flange, Lapped Pipe End Flange, Plate, Loose Plate, Loose Plate With Weld Neck , Blank Flange
PRESSURE CLASS PN 2.5 TO PN 40
BS 4504[PART 1] Welding Neck Flange, Hubbed Slip-On Hubbed Threaded, Plate Flange, Loose Plate With Weld On Plate Collar, Blank Flange
PRESSURE CLASS PN 2.5 TO PN 400
BS 1560 BOSS Welding Neck Flange, Socket Welding Flange, Slip-On Flange, Blind Flange, Screwed Boss Flange, Lapped Flange
PRESSURE CLASS 150, 300, 400, 600, 900, 1500, 2500
BS10 Welding Neck Flange, Plate Slip-On Flange, Screwed Boss Flange, Slip-On Boss Flange, Blind Flange
TABLE D, E, F, H
DIN FLANGES DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673
PRESSURE CLASS PN 6 TO PN 100
Flanges Supplier in India 

Because their flanges are reliable and work well, Prashaant Steel & Alloy is one of the top suppliers, dealers, manufacturers, and exporters in India. Every month, we usually send about fifty-seven containers of Flanges to Indian port for different customers.

We have sales reps in most of India’s major cities because we offer high-quality Flanges at low prices and with easy service. These cities are:

City we supply Flanges:
Bengaluru Mumbai Chennai Hyderabad Kolkata Pune
New Delhi Ahmedabad Jaipur Surat Salem Gandhinagar
Bhiwandi Tiruppur Sivakasi Jamnagar Thiruvananthapuram Rajahmundry
Bhubaneswar Vijaywada Firozabad Bokaro Steel City Rajkot Bharuch
Panna Raipur Cochin Ludhiana Panipat Durgapur
Peenya Pimpri-Chinchwad Channapatna Kharagpur Nashik Bareilly
Varanasi Haldia Rourkela Bangalore Moradabad Indore
Visakhapatnam Trivandrum Pithampur Dibrugarh Angul Gwalior
Coimbatore Kannur Nagpur Vadodara Rudrapur Noida
Agra Bhagalpur Jamshedpur Bhilai Lucknow Kanpur
Thane Bhopal Sri City Bareilly Hosdurg Pithampur
Countries we supply and export Flanges worldwide:
Saudi Arabia Oman Kuwait Netherlands Iran
Bahrain Qatar UAE Africa New Zealand
Nigeria Mexico Canada Venezuela United Kingdom
United States South Africa Malaysia Bangladesh Turkey
Singapore Sri Lanka Australia Brazil Germany
France Italy South Korea Poland Belgium
FAQ
What are flanges used for?

Flanges are used to connect pipes to each other, to valves, fittings, and to special items like strainers and pressure vessels. A “blind flange” can be made by putting a cover plate together. Flanges are joined with bolts, and gaskets or other methods are often used to seal them.

Different types of flanges

The most common flange types are

  • Welding Neck Flange.
  • Slip-on Flange.
  • Socket Weld Flange.
  • Lap Joint Flange.
  • Threaded Flange.
  • Blind Flange.
What is a flange?

A rib or rim for strength, guidance, or to hold something else. A pipe has a flange. A flange on a wheel is an edge of fabric that sticks out and is used to decorate clothing. A jacket with shoulder flaps.

What are standard flanges?

A flange standard describes the size, finish, type of facing, marking, material, and other technical details of flanges. The European EN 1092 series has mostly taken the place of national flange standards.

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