Flanges

Wide range of flanges directly from our warehouse in Bratislava or our partner warehouse in Germany with express delivery

We offer welding neck, blind, slip-on, threaded, lap joint, socket welding, spectacle blind flanges and atypical flanges according to drawing documentation in carbon, high alloyed and austenitic steel. Our product range involves flanges according to ASME/ANSI, DIN, EN and STN.


The wide range of materials offered ensures the application of flanges at high and low temperatures as well as high pressures.

Flanges according to

ASME/ANSI

Flanges according to

EN 1092-1

Flanges according to

DIN

STANDARD Flanges
ASME/ANSI B16.5
LARGE DIAMETER Flanges
ASME/ANSI B16.47 série A
LARGE DIAMETER Flanges
ASME/ANSI B16.47 série B

STANDARD Flanges according to ASME/ANSI B16.5

Flanges

  • Welding Neck Flanges
  • Blind Flanges
  • Slip-on Flanges 
  • Threaded Flanges 
  • Lap Joint Flanges 
  • Socket Welding Flanges 
  • Spectacle Blind Flanges 
  • Orifice Flanges

Pressure levels

  • From 150 lbs to 2500 lbs

Dimensions

  • From 1/2" to 24"

Flange facing types

  • RF, RTJ …

Material

  • C21
  • A105
  • A350 LF2
  • A350 LF3
  • A182 F1
  • A182 F2
  • A182 F5
  • A182 F9
  • A182 F11
  • A182 F12
  • A182 F22
  • A182 F91
  • A182 F304
  • A182 F304L
  • A182 F304H
  • A182 F310
  • A182 F316
  • A182 F316H
  • A182 F316L
  • A182 F321
  • A182 F321H
  • A182 F347
  • A182 F347H

and more

Flanges ASME B16.5
Types of flanges and flange facing types

LARGE DIAMETER Flanges according to ASME/ANSI B16.47 serie A

Flanges

  • Welding Neck Flanges 
  • Blind Flanges

Pressure levels

  • From 150 lbs to 900 lbs

Dimensions

  • From 12" to 60"

Material

  • C21
  • A105
  • A350 LF2
  • A350 LF3
  • A182 F1
  • A182 F2
  • A182 F5
  • A182 F9
  • A182 F11
  • A182 F12
  • A182 F22
  • A182 F91
  • A182 F304
  • A182 F304L
  • A182 F304H
  • A182 F310
  • A182 F316
  • A182 F316H
  • A182 F316L
  • A182 F321
  • A182 F321H
  • A182 F347
  • A182 F347H

and more

Flanges ASME B16.47 serie A
Types of flanges and flange facing types

LARGE DIAMETER Flanges according to ASME/ANSI B16.47 serie B

Flanges

  • Welding Neck Flanges 
  • Blind Flanges 

Pressure levels

  • From 75 lbs to 900 lbs

Dimensions

  • From 26" to 60"

Material

  • C21
  • A105
  • A350 LF2
  • A350 LF3
  • A182 F1
  • A182 F2
  • A182 F5
  • A182 F9
  • A182 F11
  • A182 F12
  • A182 F22
  • A182 F91
  • A182 F304
  • A182 F304L
  • A182 F304H
  • A182 F310
  • A182 F316
  • A182 F316H
  • A182 F316L
  • A182 F321
  • A182 F321H
  • A182 F347
  • A182 F347H

and more

Flanges ASME B16.47 serie B
Types of flanges and flange facing types

Flanges according to EN 1092-1

Flanges

  • Welding Neck Flanges type 11 EN1092-1 
  • Blind Flanges type 05 EN1092-1 
  • Flat Flanges type 01 EN1092-1 
  • Threaded Flanges type 13 EN1092-1 
  • Loose Flanges type 02 and Plain Collards type 32 EN1092-1 
  • Loose Flanges type 04 and Welding Neck Collars type 34 EN1092-1 
  • Spectacle Blind Flanges 

Pressure levels

  • From PN6 to PN400

Dimensions

  • From DN10 to DN4000

Material

  • C22.8 / P250GH
  • P245GH
  • P265GH
  • P280GH
  • 16Mo3 / 15Mo3
  • 13CrMo4-5
  • 11CrMo9-10
  • 13MnNi6-3
  • P355NH
  • P355QH1
  • S235JR
  • 1.4301
  • 1.4306 / 1.4307
  • 1.4541
  • 1.4404
  • 1.4571
  • 1.4462
  • 1.4539
  • 1.4563

and more

Flanges EN 1092-1
Types of flanges and flange facing types

Flanges according to DIN

Flanges

  • Welding Neck Flanges DIN 2627, 2628, 2629, 2630, 2631, 2632, 2633, 2634, 2635, 2636, 2637, 2638
  • Blind Flanges DIN 2527
  • Flat Flanges typ DIN 2573, 2576
  • Threaded Flanges DIN 2558, 2565, 2566, 2567 
  • Loose Flanges and Plain Collars DIN 2641, 2642, 2655, 2656
  • Loose Flanges and Welding Neck Collars DIN 2673 
  • Spectacle Blind Flanges 

Pressure levels

  • From PN6 to PN400

Dimensions

  • From DN10 to DN4000

Material

  • C22.8/P250GH
  • P245GH
  • P265GH
  • P280GH
  • 16Mo3/15Mo3
  • 13CrMo4-5
  • 11CrMo9-10
  • 13MnNi6-3
  • P355NH
  • P355QH1
  • S235JR
  • 1.4301
  • 1.4306/1.4307
  • 1.4541
  • 1.4404
  • 1.4571
  • 1.4462
  • 1.4539
  • 1.4563

and more

Flanges DIN
Types of flanges and flange facing types

We offer also special-order dimensions according to drawing documentation.

Contact:

Phone: +421 2 4055 2570
Email: nuf@nuf.eu

Personal Data Protection

Address:

Slovnaft, a.s.
(Budova ABIII)

Vlčie hrdlo 1, 824 12 Bratislava

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