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NieRuf: your experienced safety valve partner!

Safety valves are essential in pipeline construction as well as in other closed construction systems such as biogas plants and industrial facilities. They are not only mandatory by law, but also lifesaving safety devices. They are used to prevent overpressure that can result in environmentally harmful gases and fluids. If you want to make sure that your facility is protected against overpressure, you will need to work with safety valves. NieRuf is an expert in that market segment and therefore a competent specialist for those who wish to install safety valves. No matter which nominal size, seal variety or connection variety you need to install, we will have the matching product in stock. Please do not hesitate to talk to us. We would love to advise you on our valve models.

NieRuf: your experienced safety valve partner!

Safety valves are essential in pipeline construction as well as in other closed construction systems such as biogas plants and industrial facilities. They are not only mandatory by law, but also lifesaving safety devices. They are used to prevent overpressure that can result in environmentally harmful gases and fluids. If you want to make sure that your facility is protected against overpressure, you will need to work with safety valves. NieRuf is an expert in that market segment and therefore a competent specialist for those who wish to install safety valves. No matter which nominal size, seal variety or connection variety you need to install, we will have the matching product in stock. Please do not hesitate to talk to us. We would love to advise you on our valve models.

Determination of

The set pressure of a safety valve

bar

Determination of

Max. Operating pressure of a plant

bar

Filter products

Product finder

safety valve 2" m x 2" fm SV03 neutral liquid media, gunmetal EPDM

SV03010108

safety valve 2" m  x 2" fm SV03 neutral liquid media, gunmetal EPDM

safety-valve male thread 2" m x 2" fm gunmetal EPDM Typ SV03 for neutral liquid media with twist-type lifting mechanism without bellows

Technical features

  • diameter 2" m x 2" fm
  • connection male screw threaded BSP-P
  • seal EPDM
  • set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
  • media neutral liquid media
  • 24 months warranty
    Certified

€733.00*

€872.27 VAT included.

Delivery time
3 - 5 working days

safety valve 2" m x 2" fm SV09 neutral gaseous media, stainless steel FKM

SV09010208

safety valve 2" m  x 2" fm SV09 neutral gaseous media, stainless steel FKM

safety valve 2" male screw threaded BSP-P SV09 for neutral gaseous media made of stainless steel seal FKM set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version

Technical features

  • diameter 2" m x 2" fm
  • connection male screw threaded BSP-P
  • seal FKM
  • set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
  • media neutral gaseous media
  • 24 months warranty
    Certified

€1,561.20*

€1,857.83 VAT included.

Delivery time
3 - 5 working days

safety valve 1" m x 1 1/2" fm SV03 neutral liquid media, gunmetal NBR

SV03010405

safety valve 1" m  x 1 1/2" fm SV03 neutral liquid media, gunmetal NBR

safety-valve for neutral liquid media gunmetal 1" m x 1 1/2" fm male thread NBR Typ SV03 with twist-type lifting mechanism without bellows

Technical features

  • diameter 1" m x 1 1/2" fm
  • connection male screw threaded BSP-P
  • seal NBR
  • set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
  • media neutral liquid media
  • 24 months warranty
    Certified

€421.40*

€501.47 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN25/DN25 SF01, cast iron EN-JL1040 metal, with lever

SF01000005

flange-safety valve DN25/DN25 SF01, cast iron EN-JL1040 metal, with lever

flange-safety valve DN25/DN25 closed lifting device and closed bonnet made of cast iron EN-JL1040 pressure 0,2 up to max. 16 bar with lever

Technical features

  • diameter DN25/DN25
  • connection flange acc. to DIN EN 1092-2
  • seal metal
  • set pressure 0,2 up to max. 16 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€490.30*

€583.46 VAT included.

Delivery time
2 - 3 weeks

flange-safety valve DN50/DN80 SF06, gastight bonnet & stainless steel bonnet EPDM, without lifting device

SF06020108

flange-safety valve DN50/DN80 SF06, gastight bonnet & stainless steel bonnet EPDM, without lifting device

flange-safety valve DN50/DN80 SF06 for liquid and gaseous media made of Spheriodal graphite cast iron 5.1303 seal EPDM set pressure 3,0 - 40,0 bar without lifting device

Technical features

  • diameter DN50/DN80
  • connection flange acc. to DIN EN 1092-2 | Input PN40 output PN16
  • seal EPDM
  • set pressure 3,0 - 40,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€2,057.80*

€2,448.78 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN40/DN40 SF0202, cast steel metal, with lever

SF02020007

flange-safety valve DN40/DN40 SF0202, cast steel metal, with lever

flange-safety valve DN40/DN40 SF0202 for gaseous media made of cast steel seal metal pressure 0,2 up to max. 40 bar with lever

Technical features

  • diameter DN40/DN40
  • connection flange acc. to DIN EN 1092-1
  • seal metal
  • set pressure 0,2 up to max. 40 bar
  • media gaseous media
  • 24 months warranty
    Certified

€877.90*

€1,044.70 VAT included.

Delivery time
2 - 3 weeks

safety valve 2" m x 2" fm SV04 liquid media, gunmetal EPDM

SV04010108

safety valve 2" m  x 2" fm SV04 liquid media, gunmetal EPDM

safety-valve for liquid media 2" m x 2" fm with with bellows und twist-type lifting mechanism gunmetal Typ SV04 with male screw threaded BSP-P and EPDM-seal

Technical features

  • diameter 2" m x 2" fm
  • connection male screw threaded BSP-P
  • seal EPDM
  • set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
  • media liquid media
  • 24 months warranty
    Certified

€789.60*

€939.62 VAT included.

Delivery time
3 - 5 working days

safety valve 1 1/4" m x 2" fm SV10 gaseous media, stainless steel NBR

SV10010406

safety valve 1 1/4" m  x 2" fm SV10 gaseous media, stainless steel NBR

safety valve mit einem with bellows 1 1/4" m x 2" fm SV10 for gaseous media made of stainless steel seal NBR set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version

Technical features

  • diameter 1 1/4" m x 2" fm
  • connection male screw threaded BSP-P
  • seal NBR
  • set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
  • media gaseous media
  • 24 months warranty
    Certified

€1,449.10*

€1,724.43 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN15/DN25 SF04, stainless steel EPDM, with lifting device lever

SF04100103

flange-safety valve DN15/DN25 SF04, stainless steel EPDM, with lifting device lever

flange-safety valve DN15/DN25 SF04 for liquid and gaseous media made of stainless steel seal EPDM set pressure 0,2 - 40,0 bar with lifting device lever

Technical features

  • diameter DN15/DN25
  • connection flange acc. to DIN EN 1092-1
  • seal EPDM
  • set pressure 0,2 - 40,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€2,291.90*

€2,727.36 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN20/DN20 SF0202, cast steel EPDM, with lever

SF02020104

flange-safety valve DN20/DN20 SF0202, cast steel EPDM, with lever

flange-safety valve DN20/DN20 SF0202 for gaseous media made of cast steel seal EPDM pressure 0,5 up to max. 40 bar 0°C up to + 150°C

Technical features

  • diameter DN20/DN20
  • connection flange acc. to DIN EN 1092-1
  • seal EPDM
  • set pressure 0,5 up to max. 40 bar
  • media gaseous media
  • 24 months warranty
    Certified

€858.20*

€1,021.26 VAT included.

Delivery time
2 - 3 weeks

flange-safety valve DN80/DN125 SF04, stainless steel PTFE, without lifting device

SF04000310

flange-safety valve DN80/DN125 SF04, stainless steel PTFE, without lifting device

flange-safety valve DN80/DN125 SF04 for liquid and gaseous media made of stainless steel seal PTFE set pressure 0,2 - 40,0 bar without lifting device

Technical features

  • diameter DN80/DN125
  • connection flange acc. to DIN EN 1092-1
  • seal PTFE
  • set pressure 0,2 - 40,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€9,557.20*

€11,373.07 VAT included.

Delivery time
3 - 5 working days

safety valve 1 1/2" m x 2" fm SV06 liquid media, stainless steel NBR, with lever

SV06110407

safety valve 1 1/2" m  x 2" fm SV06 liquid media, stainless steel NBR, with lever

angle-type-safety valve with with bellows for liquid media 1 1/2" m x 2" fm stainless steel Typ SV06 with male screw threaded BSP-P NBR-seal and with lever

Technical features

  • diameter 1 1/2" m x 2" fm
  • connection male screw threaded BSP-P
  • seal NBR
  • set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
  • media liquid media
  • 24 months warranty
    Certified

€1,673.70*

€1,991.70 VAT included.

Delivery time
3 - 5 working days

safety valve 1 1/4" m x 2" fm SV04 liquid media, gunmetal EPDM, with lever

SV04110106

safety valve 1 1/4" m  x 2" fm SV04 liquid media, gunmetal EPDM, with lever

angle-type-safety valve with with lever und with bellows for liquid media 1 1/4" m x 2" fm Typ SV04 with male screw threaded BSP-P EPDM-seal made of gunmetal

Technical features

  • diameter 1 1/4" m x 2" fm
  • connection male screw threaded BSP-P
  • seal EPDM
  • set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
  • media liquid media
  • 24 months warranty
    Certified

€647.20*

€770.17 VAT included.

Delivery time
3 - 5 working days

safety valve 3/4" m x 1 1/4" fm SV05 neutral liquid media, stainless steel PTFE, with lever

SV05110304

safety valve 3/4" m  x 1 1/4" fm SV05 neutral liquid media, stainless steel PTFE, with lever

safety-valve for neutral liquid media stainless steel 3/4" m x 1 1/4" fm PTFE Typ SV05 with male screw threaded BSP-P and with lever

Technical features

  • diameter 3/4" m x 1 1/4" fm
  • connection male screw threaded BSP-P
  • seal PTFE
  • set pressure 0,5 - 70,0 bar
  • media neutral liquid media
  • 24 months warranty
    Certified

€945.90*

€1,125.62 VAT included.

Delivery time
3 - 5 working days

safety valve 1 1/4" m x 2" fm SV05 neutral liquid media, stainless steel EPDM, with lever

SV05110106

safety valve 1 1/4" m  x 2" fm SV05 neutral liquid media, stainless steel EPDM, with lever

safety-valve 1 1/4" m x 2" fm stainless steel with with lever Typ SV05 with male screw threaded BSP-P EPDM-seal for neutral liquid media

Technical features

  • diameter 1 1/4" m x 2" fm
  • connection male screw threaded BSP-P
  • seal EPDM
  • set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
  • media neutral liquid media
  • 24 months warranty
    Certified

€1,338.60*

€1,592.93 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN80/DN125 SF06, open bonnet PTFE, with lifting device lever

SF06110310

flange-safety valve DN80/DN125 SF06, open bonnet PTFE, with lifting device lever

flange-safety valve DN80/DN125 SF06 for gaseous media made of Spheriodal graphite cast iron 5.1303 seal PTFE set pressure 0,2 - 40,0 bar with lifting device lever

Technical features

  • diameter DN80/DN125
  • connection flange acc. to DIN EN 1092-2 | Input PN40 output PN16
  • seal PTFE
  • set pressure 0,2 - 40,0 bar
  • media gaseous media
  • 24 months warranty
    Certified

€2,523.30*

€3,002.73 VAT included.

Delivery time
3 - 5 working days

safety valve 3/4" x 1 1/4" fm SV05 neutral liquid media, stainless steel EPDM, with lever

SV05100104

safety valve 3/4" x 1 1/4" fm SV05 neutral liquid media, stainless steel EPDM, with lever

safety-valve with with lever 3/4" x 1 1/4" fm stainless steel Typ SV05 with Female screw threaded BSP-P EPDM-seal for neutral liquid media

Technical features

  • diameter 3/4" x 1 1/4" fm
  • connection Female screw threaded BSP-P
  • seal EPDM
  • set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
  • media neutral liquid media
  • 24 months warranty
    Certified

€945.90*

€1,125.62 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN40/DN65 SF06, open bonnet EPDM, with lifting device lever

SF06110107

flange-safety valve DN40/DN65 SF06, open bonnet EPDM, with lifting device lever

flange-safety valve DN40/DN65 SF06 for gaseous media made of Spheriodal graphite cast iron 5.1303 seal EPDM set pressure 0,2 - 40,0 bar with lifting device lever

Technical features

  • diameter DN40/DN65
  • connection flange acc. to DIN EN 1092-2 | Input PN40 output PN16
  • seal EPDM
  • set pressure 0,2 - 40,0 bar
  • media gaseous media
  • 24 months warranty
    Certified

€1,204.50*

€1,433.36 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN50/DN80 SF04, stainless steel metal, without lifting device

SF04000008

flange-safety valve DN50/DN80 SF04, stainless steel metal, without lifting device

flange-safety valve DN50/DN80 SF04 for liquid and gaseous media made of stainless steel seal metal set pressure 0,2 - 40,0 bar without lifting device

Technical features

  • diameter DN50/DN80
  • connection flange acc. to DIN EN 1092-1
  • seal metal
  • set pressure 0,2 - 40,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€4,591.60*

€5,464.00 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN50/DN80 SF06, gastight bonnet & stainless steel bonnet EPDM, with lifting device lever

SF06120108

flange-safety valve DN50/DN80 SF06, gastight bonnet & stainless steel bonnet EPDM, with lifting device lever

flange-safety valve DN50/DN80 SF06 for liquid and gaseous media made of Spheriodal graphite cast iron 5.1303 seal EPDM set pressure 3,0 - 40,0 bar with lifting device lever

Technical features

  • diameter DN50/DN80
  • connection flange acc. to DIN EN 1092-2 | Input PN40 output PN16
  • seal EPDM
  • set pressure 3,0 - 40,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€2,161.80*

€2,572.54 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN20/DN32 SF06, gastight bonnet EPDM, with lifting device lever

SF06100104

flange-safety valve DN20/DN32 SF06, gastight bonnet EPDM, with lifting device lever

flange-safety valve DN20/DN32 SF06 for liquid and gaseous media made of Spheriodal graphite cast iron 5.1303 seal EPDM set pressure 0,2 - 40,0 bar with lifting device lever

Technical features

  • diameter DN20/DN32
  • connection flange acc. to DIN EN 1092-2 | Input PN40 output PN16
  • seal EPDM
  • set pressure 0,2 - 40,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€811.90*

€966.16 VAT included.

Delivery time
3 - 5 working days

safety valve 3/4" x 1 1/4" fm SV05 neutral liquid media, stainless steel PTFE, with lever

SV05100304

safety valve 3/4" x 1 1/4" fm SV05 neutral liquid media, stainless steel PTFE, with lever

angle-type-safety-valve with with lever 3/4" x 1 1/4" fm stainless steel Typ SV05 with Female screw threaded BSP-P PTFE-seal for neutral liquid media

Technical features

  • diameter 3/4" x 1 1/4" fm
  • connection Female screw threaded BSP-P
  • seal PTFE
  • set pressure 0,5 - 70,0 bar
  • media neutral liquid media
  • 24 months warranty
    Certified

€945.90*

€1,125.62 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN25/DN25 SF02, cast steel 1.0619+N EPDM, with lever

SF02000105

flange-safety valve DN25/DN25 SF02, cast steel 1.0619+N EPDM, with lever

flange-safety valve DN25/DN25 pressure 0,5 up to max. 40 bar closed lifting device and closed bonnet for liquid and gaseous media

Technical features

  • diameter DN25/DN25
  • connection flange acc. to DIN EN 1092-1
  • seal EPDM
  • set pressure 0,5 up to max. 40 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€911.80*

€1,085.04 VAT included.

Delivery time
2 - 3 weeks

safety valve bellow & gastight cap DN15/DN25 SF04, PTFE, without lifting device

SF04020303

safety valve bellow & gastight cap DN15/DN25 SF04, PTFE, without lifting device

safety valve DN15/DN25 SF04 with bellows & gastight cap stainless steel seal PTFE pressure 1,2 - 40,0 bar

Technical features

  • diameter DN15/DN25
  • connection flange acc. to DIN EN 1092-1
  • seal PTFE
  • set pressure 1,2 - 40,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€2,390.60*

€2,844.81 VAT included.

Delivery time
3 - 5 working days

The right safety valve for every area of application

Steam boiler, pressure or transportation tanks up to gas lines – safety valves are all over. In an emergency case they prevent closed construction systems from overpressure. In terms of safety valves and other auxiliary equipment we are well positioned. This is why we can offer an outstanding and complete selection of products. Each safety valve is EG-type-tested and TUV-certified. Therefore all our safety valves match the DIN EN 4126-1 safety norm. In our online shop you will find a variety of high quality products for compressed air, fluids, fumes and gases. For whatever purpose you need to use a safety valve, we are sure that you will find the appropriate in the multitude of our selection.

Specifications:

connection: thread: 1/4", 3/8“, 1/2“, 3/4“, 1“, 1 ¼“, 1 ½“, 2"
pressure range:
0,2 - 630 bar - depending on design
material: stainless steel, steel, brass, gunmetal
temperature: -10 degree Celsius to + 400 degree Celsius - depending on design

Huge variety of safety valves in our store

No matter which specifications like seals, set pressure and temperature are required, we will find exactly the right safety valve for you. In our store you will find valves that are approved for -196 degree Celsius to 400 degree Celsius. Furthermore we deliver approved valves for pressures from as low as 0.2 bar up to 630 bar. We guarantee excellent processing and products of brilliant quality formed from the best materials such as stainless steel, brass, gunmetal, cast-iron and steel. Every safety valve certified by DIN EN 4126-1 is made in the way that it prevents a pressure build-up of maximum 10% in closed construction systems. Please feel free to use our web shop multitude of products to get exactly the matching one for your special area of application.


We are here 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

FAQ
FREQUENTLY ASKED QUESTIONS


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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Call NieRuf GmbH

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

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