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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 1 1/4" m x 2" fm SV08 gaseous media, gunmetal NBR, with lever

SV08110406

safety valve 1 1/4" m  x 2" fm SV08 gaseous media, gunmetal NBR, with lever

safety valve 1 1/4" m x 2" fm male screw threaded BSP-P SV08 for gaseous media made of gunmetal seal NBR set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version with lever

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

€647.20*

€770.17 VAT included.

Delivery time
3 - 5 working days

High-pressure safety valve 3/4" SV15, stainless steel MD / PAI, without lifting device

SV15000004

High-pressure safety valve 3/4" SV15, stainless steel MD / PAI, without lifting device

High-pressure safety valve 3/4" SV15 atmospheric discharg for gaseous media made of stainless steel seal MD / PAI set pressure 50,0 - 180,0 bar without lifting device

Technical features

  • diameter 3/4"
  • connection male screw threaded BSP-P
  • seal MD / PAI
  • set pressure 50,0 - 180,0 bar
  • media gaseous media
  • 24 months warranty
    Certified

€822.80*

€979.13 VAT included.

Delivery time
3 - 5 working days

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

SF06110010

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

flange-safety valve DN80/DN125 SF06 for gaseous media made of Spheriodal graphite cast iron 5.1303 seal metal 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 metal
  • set pressure 0,2 - 40,0 bar
  • media gaseous media
  • 24 months warranty
    Certified

€2,033.90*

€2,420.34 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN25/DN40 SF06, gastight bonnet PTFE, without lifting device

SF06000305

flange-safety valve DN25/DN40 SF06, gastight bonnet PTFE, without lifting device

flange-safety valve DN25/DN40 SF06 for liquid and gaseous media made of Spheriodal graphite cast iron 5.1303 seal PTFE set pressure 0,2 - 40,0 bar without lifting device

Technical features

  • diameter DN25/DN40
  • connection flange acc. to DIN EN 1092-2 | Input PN40 output PN16
  • seal PTFE
  • set pressure 0,2 - 40,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€771.90*

€918.56 VAT included.

Delivery time
3 - 5 working days

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

SF02020107

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

flange-safety valve DN40/DN40 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 DN40/DN40
  • 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

€991.30*

€1,179.65 VAT included.

Delivery time
2 - 3 weeks

safety valve 2" x 2" fm SV06 liquid media, stainless steel NBR

SV06000408

safety valve 2" x 2" fm SV06 liquid media, stainless steel NBR

safety-valve 2" x 2" fm NBR stainless steel Typ SV06 with Female screw threaded BSP-P for liquid media with twist-type lifting mechanism and with bellows

Technical features

  • diameter 2" x 2" fm
  • connection Female 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

€1,738.90*

€2,069.29 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN65/DN100 SF04, stainless steel PTFE, with lifting device lever

SF04100309

flange-safety valve DN65/DN100 SF04, stainless steel PTFE, with lifting device lever

flange-safety valve DN65/DN100 SF04 for liquid and gaseous media made of stainless steel seal PTFE set pressure 0,2 - 40,0 bar with lifting device lever

Technical features

  • diameter DN65/DN100
  • 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

€7,432.10*

€8,844.20 VAT included.

Delivery time
3 - 5 working days

safety valve 1 1/4" SV02, stainless steel PTFE

SV02000306

safety valve 1 1/4" SV02, stainless steel PTFE

safety valve 1 1/4" m Typ SV02 atmospheric discharg for air, made of stainless steel with an PTFE seal, pressure 25,1 - 50,0 bar

Technical features

  • diameter 1 1/4" m
  • connection male screw threaded BSP-P
  • seal PTFE
  • set pressure 25,1 - 50,0 bar
  • media neutral gaseous media
  • 24 months warranty
    Certified

€453.20*

€539.31 VAT included.

Delivery time
3 - 5 working days

safety valve 1" x 1 1/2" fm SV07 neutral gaseous media, gunmetal FKM, with lever

SV07100205

safety valve 1" x 1 1/2" fm SV07 neutral gaseous media, gunmetal FKM, with lever

safety valve 1" x 1 1/2" fm mit with lever SV07 for neutral gaseous media made of gunmetal seal FKM set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version

Technical features

  • diameter 1" x 1 1/2" fm
  • connection Female 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

€440.90*

€524.67 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN40/DN65 SF04, stainless steel EPDM, with lifting device lever

SF04100107

flange-safety valve DN40/DN65 SF04, stainless steel EPDM, with lifting device lever

flange-safety valve DN40/DN65 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 DN40/DN65
  • 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

€4,417.10*

€5,256.35 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN65/DN65 SF01, cast iron EN-JL1040 EPDM, with lever

SF01000109

flange-safety valve DN65/DN65 SF01, cast iron EN-JL1040 EPDM, with lever

flange-safety valve DN65/DN65 made of cast iron EN-JL1040 seal EPDM pressure 0,5 up to max. 16 bar lifting with lever

Technical features

  • diameter DN65/DN65
  • connection flange acc. to DIN EN 1092-2
  • seal EPDM
  • set pressure 0,5 up to max. 16 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€1,033.30*

€1,229.63 VAT included.

Delivery time
2 - 3 weeks

safety valve 2" x 2" fm SV08 gaseous media, gunmetal EPDM

SV08000108

safety valve 2" x 2" fm SV08 gaseous media, gunmetal EPDM

safety valve 2" mit with bellows SV08 for gaseous media made of gunmetal seal EPDM set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version twist-type lifting mechanism

Technical features

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

€789.60*

€939.62 VAT included.

Delivery time
3 - 5 working days

safety valve 2" m x 2" fm SV07 neutral gaseous media, gunmetal PTFE, with lever

SV07110308

safety valve 2" m  x 2" fm SV07 neutral gaseous media, gunmetal PTFE, with lever

safety valve 2" m x 2" fm made ofsengewinde SV07 for neutral gaseous media made of gunmetal seal PTFE set pressure 0,5 - 50,0 bar

Technical features

  • diameter 2" m x 2" fm
  • connection male screw threaded BSP-P
  • seal PTFE
  • set pressure 0,5 - 50,0 bar
  • media neutral gaseous media
  • 24 months warranty
    Certified

€762.70*

€907.61 VAT included.

Delivery time
3 - 5 working days

safety valve bellow & gastight cap DN40/DN65 SF04, without lifting device

SF04020007

safety valve bellow & gastight cap DN40/DN65 SF04, without lifting device

safety valve DN40/DN65 SF04 with an bellow & gastight cap, made of stainless steel seal metal pressure 0,9 - 40,0 bar

Technical features

  • diameter DN40/DN65
  • connection flange acc. to DIN EN 1092-1
  • seal metal
  • set pressure 0,9 - 40,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€4,410.60*

€5,248.61 VAT included.

Delivery time
3 - 5 working days

safety valve 3/4" x 1 1/4" fm SV06 liquid media, stainless steel PTFE

SV06000304

safety valve 3/4" x 1 1/4" fm SV06 liquid media, stainless steel PTFE

safety-valve stainless steel 3/4" x 1 1/4" fm with with bellows Typ SV06 with Female screw threaded BSP-P PTFE-seal for liquid media with twist-type lifting mechanism

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 liquid media
  • 24 months warranty
    Certified

€972.70*

€1,157.51 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN15/DN25 SF06, gastight bonnet EPDM, with lifting device lever

SF06100103

flange-safety valve DN15/DN25 SF06, gastight bonnet EPDM, with lifting device lever

flange-safety valve DN15/DN25 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 DN15/DN25
  • 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

€807.40*

€960.81 VAT included.

Delivery time
3 - 5 working days

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

SF01000205

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

flange-safety valve DN25/DN25 made of cast iron EN-JL1040 seal FPM pressure 0,5 up to max. 16 bar lifting with lever

Technical features

  • diameter DN25/DN25
  • connection flange acc. to DIN EN 1092-2
  • seal FPM
  • set pressure 0,5 up to max. 16 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€603.70*

€718.40 VAT included.

Delivery time
2 - 3 weeks

flange-safety valve DN15/DN25 SF04, stainless steel FKM, without lifting device

SF04000203

flange-safety valve DN15/DN25 SF04, stainless steel FKM, without lifting device

flange-safety valve DN15/DN25 SF04 for liquid and gaseous media made of stainless steel seal FKM set pressure 0,2 - 40,0 bar without lifting device

Technical features

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

€2,044.80*

€2,433.31 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN100/DN100 SF0102, cast iron EN-JL1040 FPM, with lever

SF01020211

flange-safety valve DN100/DN100 SF0102, cast iron EN-JL1040 FPM, with lever

cast iro flange-safety valve DN100/DN100 open lifting device and open bonnet for gaseous media, made of cast iron EN-JL1040 seal FPM

Technical features

  • diameter DN100/DN100
  • connection flange acc. to DIN EN 1092-2
  • seal FPM
  • set pressure 0,5 up to max. 16 bar
  • media gaseous media
  • 24 months warranty
    Certified

€1,615.50*

€1,922.45 VAT included.

Delivery time
2 - 3 weeks

flange-safety valve DN20/DN32 SF06, gastight bonnet & stainless steel bonnet FKM, without lifting device

SF06020204

flange-safety valve DN20/DN32 SF06, gastight bonnet & stainless steel bonnet FKM, without lifting device

flange-safety valve DN20/DN32 SF06 for liquid and gaseous media made of Spheriodal graphite cast iron 5.1303 seal FKM set pressure 0,8 - 40,0 bar without lifting device

Technical features

  • diameter DN20/DN32
  • connection flange acc. to DIN EN 1092-2 | Input PN40 output PN16
  • seal FKM
  • set pressure 0,8 - 40,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€1,111.10*

€1,322.21 VAT included.

Delivery time
3 - 5 working days

safety valve 3/4" SV02 for air, stainless steel FKM

SV02000004

safety valve 3/4" SV02 for air, stainless steel FKM

safety valve 3/4" m Typ SV02 atmospheric discharg for air, made of stainless steel with an FKM seal, pressure 0,2 - 25,0 bar- higher pressures possible in PTFE version

Technical features

  • diameter 3/4" m
  • connection male screw threaded BSP-P
  • seal FKM
  • set pressure 0,2 - 25,0 bar- higher pressures possible in PTFE version
  • media neutral gaseous media
  • 24 months warranty
    Certified

€248.10*

€295.24 VAT included.

Delivery time
3 - 5 working days

safety valve 3/4" m x 1 1/4" fm SV03 neutral liquid media, gunmetal NBR, with lever

SV03110404

safety valve 3/4" m  x 1 1/4" fm SV03 neutral liquid media, gunmetal NBR, with lever

angle-type-safety-valve for liquid and gaseous media male thread 3/4" m x 1 1/4" fm NBR Typ SV03 made of gunmetal with with lever without bellows

Technical features

  • diameter 3/4" m x 1 1/4" 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

€350.80*

€417.45 VAT included.

Delivery time
3 - 5 working days

safety valve 2" m x 2" fm SV08 gaseous media, gunmetal PTFE

SV08010308

safety valve 2" m  x 2" fm SV08 gaseous media, gunmetal PTFE

safety valve mit einem with bellows 2" m x 2" fm SV08 for gaseous media made of gunmetal seal PTFE set pressure 0,5 - 50,0 bar

Technical features

  • diameter 2" m x 2" fm
  • connection male screw threaded BSP-P
  • seal PTFE
  • set pressure 0,5 - 50,0 bar
  • media gaseous media
  • 24 months warranty
    Certified

€789.60*

€939.62 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN50/DN50 SF01, cast iron EN-JL1040 EPDM, with lever

SF01000108

flange-safety valve DN50/DN50 SF01, cast iron EN-JL1040 EPDM, with lever

flange-safety valve DN50/DN50 made of cast iron EN-JL1040 seal EPDM pressure 0,5 up to max. 16 bar lifting with lever

Technical features

  • diameter DN50/DN50
  • connection flange acc. to DIN EN 1092-2
  • seal EPDM
  • set pressure 0,5 up to max. 16 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€807.30*

€960.69 VAT included.

Delivery time
2 - 3 weeks

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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