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Norwegian Standard Flanges

Specialized Norwegian Standard Flanges Manufacturer, NS 2546 Blind Flange & NS 2547 Welded neck Flange Standards.

Marcel Forged offers the choice from the complete range of Norwegian Standard Flanges, Norwegian Standard NS 2545 Flanges in Stock in various sizes. So if you are looking for the best price of Norwegian Standard NS 2546 Blind Flanges or Norwegian Standard NS 2547 Welded neck Flanges, NFE 29203 Flange near you with shortest time delivery, call now. Suppliers of Norwegian Flange Manufacturers in the steel market and We are an ISO: 9001, 14001 & OHSAS: 18001 certified company in India.

Our dealer near you will contact you and will provide full information about NS 2547 Socket Weld Flange. Many NS Flange Material manufacturers in India produce these Norwegian NS Flange from forged materials and have machined surfaces.

Norwegian Standard Flanges Manufacturer
Norwegian Standard Flanges Manufacturer in Mumbai, India
Norwegian Standard Flanges Flanges Supplier in Mumbai, India

We Recognize as a Trusted Manufacturer and Stockist of Norwegian Standards NS 2526 Pipe Flanges, Weld Neck & Blind Flanges at Best Prices.

We are Leading Exporter and Supplier of Norwegian Standard Flanges, NS2545, 2546, 2547 Blind Flange in USA, UK, Qatar, Mexico, Nigeria, Saudi Arabia, Kuwait, Iran, Kazakhstan, Bahrain, Vietnam, Indonesia, Norway, Ghana, Colombia, Azerbaijan, Libya, India.

Norwegian Standard (NS) 2546 Slip On Flanges Standard Specifications
Norwegian Flange Specification Chart

Flange Size Range 1/2″ NB TO 48″NB
Flange Dimensions Norwegian Standard Class 600, Class 1000, Class 1600, Class 2500, Class 4000
Flange Face Types Flat Face Flange (FF), Raised Face Flange (RF), Ring Joint Flange (RTJ), Lap Joint Flange, Male and Female Flange (M&F), Large and Small Tongue-and-Groove Flange (T&G)
SANS/SABS Standard Cover dimensions, tolerances, weight, temperature ratings & pressure ratings, marking, materials, testing
Custom Design As per your drawing
Material Test Certificates (MTC) As per EN 10204 3.2 and EN 10204 3.1, Test Certificates certifying NACE MR0175, NACE MR0103
Test Certificates 100% Radiography Test Report, EN 10204/3.1B, Raw Materials Certificate, Third Party Inspection Report, etc
Tests Hydrostatic testing machine, Direct-reading Spectrograph, UI trasonic flaw detector, X-ray detector, Magnetic particle detector
Equipment / Machines Press machine, Pushing Machine, Bending machine, Sand-blasting machine, electric bevelling machine, etc.
Coating Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized

Standards NS 2545 Flanges Material Grades
Norwegian Flanges Materials

Stainless Steel NS Flange ASTM/ASME A/SA182:- F304, F304L, F316, F316L, ASTM/ASME A/SA351:- CF3, CF3M, CF8, CF8M, DIN 1.4306, DIN 1.4301, DIN 1.4404, DIN 1.4401, DIN 1.4408, DIN 1.4308, DIN 1.4306, DIN 1.4409
Duplex NS Flanges S31803 / S32205 A182:- Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Super Duplex NS Flanges S32750 / S32760 A182:- Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F61
Copper Nickel NS Flanges ASTM / ASME SB 61 / 62 / 151 / 152, Copper Nickel 90/10 (C70600 ), Cupro Nickel 70/30 (C71500), UNS C71640
Titanium NS Flanges 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
Copper NS Flanges TP1, TP2, C10930, C11000, C11300, C11400, C11500, C11600, C12000, C12200, C12300, T1, T2, C10100, C10200, C10300, C10400, C10500, C10700, C10800, C10910, C10920, TU1, TU2, C12500, C14200, C14420, C14500, C14510, C14520, C14530, C17200, C19200, C21000, C23000, C26000, C27000, C27400, C28000, C33000, C33200, C37000, C44300, C44400, C44500, C60800, C63020, C68700, C70400, C70600, C70620, C71000, C71500, C71520, C71640, etc
Incoloy NS Flanges ASTM B564 / ASME SB564:- Incoloy 800, 800H, 800HT (UNS N08800), 825 (UNS N08825), 925
Inconel NS Flanges ASTM B564 / ASME SB564:- Inconel 600, 601, 625, 718, 783, 690, x750
Nickel NS Flanges ASTM B564 / ASME SB564:- Nickel 200, Nickel 201, Nickel 205, Nickel 205LC
Hastelloy NS Flanges ASTM B564 / ASME SB564:- Hastelloy C276 (UNS N10276), C22 (UNS N06022), C4, C2000, B2, B3, X
Monel NS Flanges ASTM B564 / ASME SB564:- Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500)
Carbon Steel NS Flanges ASTM/ASME A/SA105 A/SA105N and A/SA216-WCB, DIN 1.0460, DIN 1.0402, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, CS High Yield ASTM A694 / A694 (F52, F56, F60, F65, F70, F80)
Alloy Steel NS Flanges ASTM A182 / ASME SA182:- F5, F9, F11, F12, F22, F91
NS Alloy 20 Flanges ASTM B462 / ASME SB462:- Carpenter® 20 Alloy, Alloy 20Cb-3
NS SMO 254 Flanges ASTM A182 / ASME SA182:- SMO 254/6Mo, UNS S31254, DIN 1.4547
Aluminium NS Flanges 5052 /6061/ 6063 / 2017 / 7075 / etc.
Brass NS Flanges 3602 / 2604 / H59 / H62 / etc.
Other NS Flanges material Tin bronze, Alumunum bronze, Lead bronze, Nimonic 75, Nimonic 80A, Nimonic 90, AISI 4140, AISI 4130, Mild Steel, Al6XN Flanges

Steel Pipe Flange Standards
NS 2548 Flange Standards and Dimensions

ASME B16.47 Flange ANSI/ASME B16.36 Flanges ANSI/ASME B16.5 Flanges Pr. EN1902-1 Flanges
DIN Flanges JIS Flanges BS 4504 Flanges BS 10 Flanges
MSS SP-44 Flanges JIS B2220 Flanges KS B1503 Flanges UNI Flanges
SABS/SANS 1123 Flanges AS 2129, AS 4087 Flanges ISO 9624, ISO 7005-1 Flanges AWWA Flanges Standard
GOST Standard Flanges API Flanges AS/ANZ 4331.1 Flanges Series A Flange
Series B Flange SAE J518 Flanges GB Flange Norwegian Standard Flanges

Norwegian NS Flange Dimensions
NFE 29203 Flange Technical Drawings

Norwegian Flange Dimensions Blind NS2545 PN10 Flange Dimensions NS2545 PN16 Dimensions
NS2545 PN40 Dimensions NFE 29203 Flange Dimensions

NFE 29203 Flange Weight Chart According to ASME B16.5

Nominal Pipe Sizes (NPS) Slip On (SORF) Threaded (NPT) Socket Weld (SWRF) Lap Joint (Loose) Blind (BLRF) Weld Neck (WRNR)
½ 1 1 2 1 2 2
¾ 2 2 2 2 2 2
1 2 2 2 2 2 3
1¼ 3 3 3 3 3 3
1½ 3 3 3 3 4 4
2 5 5 5 5 5 6
2½ 8 8 8 8 7 10
3 9 9 9 9 9 11.5
3½ 11 12 11 11 13 12
4 13 13 13 13 17 16.5
5 15 15 15 15 20 21
6 19 19 19 19 27 26
8 30 30 30 30 47 42
10 43 43 43 43 70 54
12 64 64 64 64 123 88
14 90 90 90 105 140 114
16 106 98 98 140 180 140
18 130 130 130 160 220 165
20 165 165 165 195 285 197
22 185 185 185 245 355 225
24 220 220 220 275 430 268

French Flange Pressure Rating Chart

NFE 29203 Flange Pressure Pressure
Temperature (°C) Class
Class 150 Class 300 Class 400 Class 600 Class 900 Class 1500 Class 2500
-29 – 38 19.8 51.7 68.9 103.4 155 259 431
50 19.5 51.7 68.9 103.4 155 259 431
100 17.7 51.5 68.7 103.0 155 258 429
150 15.8 50.2 66.8 100.3 151 251 418
200 13.8 48.6 64.8 97.2 146 243 405
250 12.1 46.3 61.7 92.7 139 232 386
300 10.2 42.9 57.0 85.7 129 214 357
325 9.3 41.4 55.0 82.6 124 207 344
350 8.4 40.0 53.4 80.0 120 200 334
375 7.4 37.8 50.4 75.7 114 189 315
400 6.5 34.7 46.3 69.4 104 174 290
425 5.5 28.8 38.4 57.5 86.3 144 240
450 4.6 23.0 30.7 46.0 69.0 115 192
475 3.7 17.1 22.8 34.2 51.3 85.4 142
500 2.8 11.6 15.4 23.2 34.7 57.9 96.5
538 1.4 5.9 7.9 11.8 17.7 29.5 49.2

Flange NFE Thickness

NFE Flange Wall Thickness
NPS (Normal Pipe Sizes) Outside Daimeter (O.D.) Schedule 10 Schedule 20 Schedule 30 STD Wall Schedule 40 Schedule 60 EXT Hvy Schedule 80 Schedule 100 Schedule 120 Schedule 140 Schedule 160 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 …. …. …. …. …. ….
36 36 0.312 0.5 0.625 0.375 0.75 …. 0.5 …. …. …. …. …. ….
40 40 …. …. …. 0.375 …. …. 0.5 …. …. …. …. …. ….
42 42 …….. …….. …….. 0.375 …….. …….. 0.5 …….. …….. …….. …….. …….. ……..
48 48 …….. …….. …….. 0.375 …….. …….. 0.5 …….. …….. …….. …….. …….. ……..

Norwegian Standard (NS) Plain Flanges Bolt Chart

Class 150 Flanges Class 300 Flanges Class 600 Flanges
NPS # Bolts And Studs Diameter of Bolts And Studs Stud Length # Bolts And Studs Diameter of Bolts And Studs Stud Length # Bolts And Studs Diameter of Bolts And Studs Stud Length
1/16 RF RTJ 1/16 RF RTJ 1/4 RF RTJ
1/2 4 0.50 2-1/4 – 4 0.50 2-1/2 3 4 0.50 3 3
3/4 4 0.50 2-1/2 – 4 0.63 3 3-1/2 4 0.63 3-1/2 3-1/2
1 4 0.50 2-1/2 3 4 0.63 3 3-1/2 4 0.63 3-1/2 3-1/2
1-1/4 4 0.50 2-3/4 3-1/4 4 0.63 3-1/4 3-3/4 4 0.63 3-3/4 3-3/4
1-1/2 4 0.50 2-3/4 3-1/4 4 0.75 3-1/2 4 4 0.75 4-1/4 4-1/4
2 4 0.63 3-1/4 3-3/4 8 0.63 3-1/2 4 8 0.63 4-1/4 4-1/4
2-1/2 4 0.63 3-1/2 4 8 0.75 4 4-1/2 8 0.75 4-3/4 4-3/4
3 4 0.63 3-1/2 4 8 0.75 4-1/4 4-3/4 8 0.75 5 5
3-1/2 8 0.63 3-1/2 4 8 0.75 4-1/4 5 8 0.88 5-1/2 5-1/2
4 8 0.63 3-1/2 4 8 0.75 4-1/2 5 8 0.88 5-3/4 5-3/4
5 8 0.75 3-3/4 4-1/4 8 0.75 4-3/4 5-1/4 8 1.00 6-1/2 6-1/2
6 8 0.75 4 4-1/2 12 0.75 4-3/4 5-1/2 12 1.00 6-3/4 6-3/4
8 8 0.75 4-1/4 4-3/4 12 0.88 5-1/2 6 12 1.13 7-1/2 7-3/4
10 12 0.88 4-1/2 5 16 1.00 6-1/4 6-3/4 16 1.25 8-1/2 8-1/2
12 12 0.88 4-3/4 5-1/4 16 1.13 6-3/4 7-1/4 20 1.25 8-3/4 8-3/4
14 12 1.00 5-1/4 5-3/4 20 1.13 7 7-1/2 20 1.38 9-1/4 9-1/4
16 16 1.00 5-1/4 5-3/4 20 1.25 7-1/2 8 20 1.50 10 10
18 16 1.13 5-3/4 6-1/4 24 1.25 7-3/4 8-1/4 20 1.63 10-3/4 10-3/4
20 20 1.13 6-1/4 6-3/4 24 1.25 8 8-3/4 24 1.63 11-1/4 11-1/2
24 20 1.25 6-3/4 7-1/4 24 1.50 9 10 24 1.88 13 13-1/4

Norwegian Standard Flanges Types
Norwegian Standard NS 2547 Flanges Price in India

WNRF / WNFF
Weld Neck Flange
NS Weld Neck Flange

RFLWN
Long Weld Neck Flange
NS LWN Flange

SOFF / SORF
Slip On Flange
NS Slip-on Flange

Figure 8 Flange
Spectacle Blind Flanges
NS Spectacle Blinds

SWRF
Socket Weld Flanges
NS Socket Weld Flange

BLRF
Blind Flanges / Dummy Flange
NS Blind Flange

THRF
Screwed / Threaded Flanges
NS Threaded Flange

Raised Face
Orifice Flanges
NS Orifice Flange

Loose Flange
Lap Joint Flanges
NS Lap Joint Flange

Square Flange
Square Flanges
NS Square Flange

RTJ Flange
Ring Type Joint Flanges
NS RTJ Flange

T&G Flange
Tongue and Groove Flange
NS T&G Flange

Expanding flange
Expander Flanges
NS Expander Flange

Reducer Flange
Reducing Flanges
NS Reducing Flange

Male-Female Flange
Male & Female Flanges
NS Male-Female Flange

Weldoflange
Weldolet Flange
NS Weldolet Flange

Nipoflange
Nipolet Flange
NS Nipolet Flange

Backup Flange
Backing Ring Flanges
NS Backup Flange

Spacer Flange
Ring Spacer Flanges
NS Spacer Flange

Spade Flange
Paddle Blind Flanges
NS Spade Flange

PL Flange

Plate Flange
NS Plate Flange

High Hub Flange
High Hub Blind Flange
NS High Hub Flange

Flange Drawing
Custom Flanges
NS Custom Flange

Swivel Flange
Swivel Ring Flange
NS Swivel Flange

Note: Norwegian Standards Prices are depended on Material Grades, Dimensions, Sizes, Type of Flange, and Order Quantity, etc. The prices mentioned on the website are for reference purposes only. To get market leading prices for Norwegian Standard Flanges contact us now.

NS 2546 Blind Flanges Industries and Applications
Norwegian Standard NS 2546 Blind Flanges Applications

  • Pumps, Valves, and vessels in manufacturing and food processing.
  • Pipe connections in industrial waterworks.
  • Heat exchangers and heating systems of all sizes.
  • Mining support.
  • Nuclear power systems.
  • Plumbing and mechanical systems.
  • Assemblies in the oil, gas, and petrochemical industries.
  • Fire protection systems.

NS 2545 Flange Supply and Export Network
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