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Backnut made of galvanized malleable cast iron


A backnut is used to support the existing nut to prevent the union of loosening. The backnut is used in heating or gas installations as well as mechanical engineering.

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Malleable cast iron fitting backnut no. 310, DN25 - 1" inch galvanized

TF01310005

backnut no. 310 with female thread DN25 - 1" inch malleable cast iron galvanized for liquid & gaseous media

Technical features

  • product backnut
  • diameter DN25 - 1" inch
  • connection female thread
  • max. working pressure 25 bar from -20°C up to +120°C
  • material Malleable cast iron EN 1562 galvanized

€1.20*

€1.43 VAT included.

Delivery time
in stock
Express delivery*

Malleable cast iron fitting backnut no. 310, DN20 - 3/4" inch galvanized

TF01310004

backnut no. 310 with female thread DN20 - 3/4" inch malleable cast iron galvanized for liquid & gaseous media

Technical features

  • product backnut
  • diameter DN20 - 3/4" inch
  • connection female thread
  • max. working pressure 25 bar from -20°C up to +120°C
  • material Malleable cast iron EN 1562 galvanized

€0.80*

€0.95 VAT included.

Delivery time
in stock
Express delivery*

Malleable cast iron fitting backnut no. 310, DN80 - 3" inch galvanized

TF01310010

backnut no. 310 with female thread DN80 - 3" inch malleable cast iron galvanized for liquid & gaseous media

Technical features

  • product backnut
  • diameter DN80 - 3" inch
  • connection female thread
  • max. working pressure 25 bar from -20°C up to +120°C
  • material Malleable cast iron EN 1562 galvanized

€9.90*

€11.78 VAT included.

Delivery time
in stock
Express delivery*

Malleable cast iron fitting backnut no. 310, DN40 - 1 1/2" inch galvanized

TF01310007

backnut no. 310 with female thread DN40 - 1 1/2" inch malleable cast iron galvanized for liquid & gaseous media

Technical features

  • product backnut
  • diameter DN40 - 1 1/2" inch
  • connection female thread
  • max. working pressure 25 bar from -20°C up to +120°C
  • material Malleable cast iron EN 1562 galvanized

€1.90*

€2.26 VAT included.

Delivery time
3 - 5 working days

Malleable cast iron fitting backnut no. 310, DN50 - 2" inch galvanized

TF01310008

backnut no. 310 with female thread DN50 - 2" inch malleable cast iron galvanized for liquid & gaseous media

Technical features

  • product backnut
  • diameter DN50 - 2" inch
  • connection female thread
  • max. working pressure 25 bar from -20°C up to +120°C
  • material Malleable cast iron EN 1562 galvanized

€3.80*

€4.52 VAT included.

Delivery time
3 - 5 working days

Malleable cast iron fitting backnut no. 310, DN32 - 1 1/4" inch galvanized

TF01310006

backnut no. 310 with female thread DN32 - 1 1/4" inch malleable cast iron galvanized for liquid & gaseous media

Technical features

  • product backnut
  • diameter DN32 - 1 1/4" inch
  • connection female thread
  • max. working pressure 25 bar from -20°C up to +120°C
  • material Malleable cast iron EN 1562 galvanized

€1.70*

€2.02 VAT included.

Delivery time
3 - 5 working days

Malleable cast iron fitting backnut no. 310, DN15 - 1/2" inch galvanized

TF01310003

backnut no. 310 with female thread DN15 - 1/2" inch malleable cast iron galvanized for liquid & gaseous media

Technical features

  • product backnut
  • diameter DN15 - 1/2" inch
  • connection female thread
  • max. working pressure 25 bar from -20°C up to +120°C
  • material Malleable cast iron EN 1562 galvanized

€0.80*

€0.95 VAT included.

Delivery time
3 - 5 working days

Malleable cast iron fitting backnut no. 310, DN65 - 2 1/2" inch galvanized

TF01310009

backnut no. 310 with female thread DN65 - 2 1/2" inch malleable cast iron galvanized for liquid & gaseous media

Technical features

  • product backnut
  • diameter DN65 - 2 1/2" inch
  • connection female thread
  • max. working pressure 25 bar from -20°C up to +120°C
  • material Malleable cast iron EN 1562 galvanized

€8.50*

€10.12 VAT included.

Delivery time
3 - 5 working days

FAQ

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

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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

Contact

Do you need help?

For all questions we are available by phone

Mo - Fr 08:30 - 17:00

+49 7143/9666-900

or send us an e-mail:

sales@nieruf.com

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Need help?

If you have any questions, we are available by phone from Monday to Friday from 8:30 a.m. to 5:00 p.m.

order via mail:

07143 / 96669 - 00