Flange
collar DN50 - 60.3 mm stainless steel 1.4571 S1 = 2.0 mm referring to DIN 2642
diameter:
DN50
material:
stainless steel 1.4571
Welding neck flange DN65 flange acc. DIN PN10/16 EN1092-1 Typ 11 B1 made of stainless steel 1.4541
diameter:
DN65
connection:
PN10/16
material:
stainless steel
high quality Flange DN65 flange acc. DIN PN10/16 EN1092-1 Typ 11 B1 made of stainless steel 1.4571
diameter:
DN65
connection:
PN10/16
material:
stainless steel
Threaded flange made of stainless steel 1.4571 DN100 flange according DIN PN10/16 EN1092-1 Typ 13 B1
diameter:
DN100
connection:
PN10/16
material:
stainless steel
Threaded flange made of stainless steel 1.4571 DN50 flange according DIN PN10/16 EN1092-1 Typ 13 B1
diameter:
DN50
connection:
PN10/16
material:
stainless steel
Loose flange made of steel C22.8 / P250GH bare DN80 flange according DIN PN10/16 EN1092-1 Typ 02 A
diameter:
DN80
connection:
PN10/16
material:
steel
Loose flange made of steel C22.8 / P250GH bare DN20 flange according DIN PN10/16/25/40 EN1092-1 Typ 02 A
diameter:
DN20
connection:
PN10/16/25/40
material:
steel
Loose flange made of steel C22.8 / P250GH bare DN50 flange according DIN PN10/16 EN1092-1 Typ 02 A
diameter:
DN50
connection:
PN10/16
material:
steel
Flat flange made of stainless steel 1.4541 DN100 flange according DIN PN10/16 EN1092-1 Typ 01 A
diameter:
DN100
connection:
PN10/16
material:
stainless steel
Flat flange made of stainless steel 1.4541 DN80 flange according DIN PN10/16 EN1092-1 Typ 01 A
diameter:
DN80
connection:
PN10/16
material:
stainless steel
Loose flange made of steel C22.8 / P250GH bare DN25 flange according DIN PN10/16/25/40 EN1092-1 Typ 02 A
diameter:
DN25
connection:
PN10/16/25/40
material:
steel
collar DN65 - 76.1 mm stainless steel 1.4571 S1 = 2.6 mm referring to DIN 2642
diameter:
DN65
material:
stainless steel 1.4571
Blank flange made of steel C22.8 / P250GH bare DN25 flange according DIN PN10/16/25/40 EN1092-1 Typ 05 A
diameter:
DN25
connection:
PN10/16/25/40
material:
steel
Flange made of steel C22.8 / P250GH bare DN25 flange according DIN PN10/16/25/40 EN1092-1 Typ 11 B1
diameter:
DN25
connection:
PN10/16/25/40
material:
steel
Welding neck flange DN150 flange acc. DIN PN10/16 EN1092-1 Typ 11 B1 made of stainless steel 1.4541
diameter:
DN150
connection:
PN10/16
material:
stainless steel
Welding neck flange DN20 flange acc. DIN PN10/16/25/40 EN1092-1 Typ 11 B1 made of stainless steel 1.4541
diameter:
DN20
connection:
PN10/16/25/40
material:
stainless steel
Flange made of steel C22.8 / P250GH bare DN80 flange according DIN PN10/16 EN1092-1 Typ 11 B1
diameter:
DN80
connection:
PN10/16
material:
steel
Threaded flange made of steel C22.8 / P250GH bare DN25 flange according DIN PN16/40 EN1092-1 Typ 13 B1
diameter:
DN25
connection:
PN16/40
material:
steel
Flange made of steel C22.8 / P250GH bare DN15 flange according DIN PN10/16/25/40 EN1092-1 Typ 11 B1
diameter:
DN15
connection:
PN10/16/25/40
material:
steel
Loose flange made of stainless steel 1.4541 DN80 flange according DIN PN10/16 EN1092-1 Typ 02 A
diameter:
DN80
connection:
PN10/16
material:
stainless steel
Threaded flange made of stainless steel 1.4571 DN65 flange according DIN PN10/16 EN1092-1 Typ 13 B1
diameter:
DN65
connection:
PN10/16
material:
stainless steel
Blank flange made of stainless steel 1.4541 DN50 flange according DIN PN10/16 EN1092-1 Typ 05 A
diameter:
DN50
connection:
PN10/16
material:
stainless steel
Blank flange made of steel C22.8 / P250GH bare DN65 flange according DIN PN10/16 EN1092-1 Typ 05 A
diameter:
DN65
connection:
PN10/16
material:
steel
Blank flange made of steel C22.8 / P250GH bare DN20 flange according DIN PN10/16/25/40 EN1092-1 Typ 05 A
diameter:
DN20
connection:
PN10/16/25/40
material:
steel
Welding neck flanges or threaded flanges
Our wide array of flanges confuses you? Feel free to contact us and we will help you find the right flange for your fitting or valve. Need connectors? We also offer the right screws, nuts and and washers, as well as the seals to go with your flange. Depending on the pressure range and nominal size of your application, flanges come with a specific number of mounting holes. Order your welding neck flange, blind flange or threaded flange from our NieRuf online shop, it comes at low cost and always with rapid delivery.
There for you
Special requests, spare parts or a quick support? Our staff will answer your questions and concerns immediately.
You can reach us from Monday to Friday at +497143 9666900 and any time at sales@nieruf.com
Quality
Our certified quality management according to DIN EN ISO 9001: 2015 is part of our DNA. With our test stands we can carry out pressure tests with up to 350 bar with air and water as well as leak tests according to DIN EN 122661.
This is NieRuf
Committed
Commitment engenders trust. We stand by our word and are convinced that as a result not only our customers but also everyone we work with can rely on us.
Motivated
We always strive to find the best solution for our customers. It is our goal and incentive to have completely satisfied customers.
Competently
Technical and commercial expertise form the basis for developing qualified solutions tailored precisely to the needs of our customers.
Flexible
We do not adhere to rigid guidelines but instead focus on the individual wishes and needs of our customers. They are more important to us than internal company processes.
Contact 
Resistance check 
Frequently asked questions 
Configurator 