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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

flange-safety valve DN15/DN25 SF06, open bonnet FKM, with lifting device lever

SF06110203

flange-safety valve DN15/DN25 SF06, open bonnet FKM, with lifting device lever

flange-safety valve DN15/DN25 SF06 for gaseous media made of Spheriodal graphite cast iron 5.1303 seal FKM 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 FKM
  • set pressure 0,2 - 40,0 bar
  • media gaseous media
  • 24 months warranty
    Certified

€771.00*

€917.49 VAT included.

Delivery time
3 - 5 working days

safety valve 1" SV02 for air, stainless steel FKM

SV02000005

safety valve 1" SV02 for air, stainless steel FKM

safety valve 1" 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 1" 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

€315.90*

€375.92 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN80/DN80 SF0102, cast iron EN-JL1040 metal, with lever

SF01020010

flange-safety valve DN80/DN80 SF0102, cast iron EN-JL1040 metal, with lever

flange-safety valve with lever DN80/DN80 SF0102 for gaseous media made of cast iron EN-JL1040 pressure 0,2 up to max. 16 bar

Technical features

  • diameter DN80/DN80
  • connection flange acc. to DIN EN 1092-2
  • seal metal
  • set pressure 0,2 up to max. 16 bar
  • media gaseous media
  • 24 months warranty
    Certified

€1,024.30*

€1,218.92 VAT included.

Delivery time
2 - 3 weeks

safety valve 1 1/4" m x 2" fm SV07 neutral gaseous media, gunmetal NBR

SV07010406

safety valve 1 1/4" m  x 2" fm SV07 neutral gaseous media, gunmetal NBR

safety valve 1 1/4" male screw threaded BSP-P SV07 for neutral gaseous media made of gunmetal 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 neutral gaseous media
  • 24 months warranty
    Certified

€562.10*

€668.90 VAT included.

Delivery time
3 - 5 working days

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

SV03110108

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

safety-valve for neutral liquid media 2" m x 2" fm gunmetal with with lever Typ SV03 with male screw threaded BSP-P EPDM-seal 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

€762.70*

€907.61 VAT included.

Delivery time
3 - 5 working days

angle-type safety valve 3/4" x 1 1/4" fm SV04 liquid media, gunmetal PTFE

SV04000304

angle-type safety valve 3/4" x 1 1/4" fm SV04 liquid media, gunmetal PTFE

safety-valve gunmetal 3/4" x 1 1/4" fm with with bellows Typ SV04 with Female screw threaded BSP-P PTFE-seal for liquid media and 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 - 50,0 bar
  • media liquid media
  • 24 months warranty
    Certified

€356.30*

€424.00 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN65/DN100 SF04, stainless steel PTFE, without lifting device

SF04000309

flange-safety valve DN65/DN100 SF04, stainless steel PTFE, without lifting device

flange-safety valve DN65/DN100 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 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

€6,987.90*

€8,315.60 VAT included.

Delivery time
3 - 5 working days

safety valve 1" x 1 1/2" fm SV10 gaseous media, stainless steel EPDM, with lever

SV10100105

safety valve 1" x 1 1/2" fm SV10 gaseous media, stainless steel EPDM, with lever

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

Technical features

  • diameter 1" x 1 1/2" 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

€1,192.20*

€1,418.72 VAT included.

Delivery time
3 - 5 working days

diaphragm-safety valve 1/2" x 1/2" fm NBR SV16

SV16000403

diaphragm-safety valve 1/2" x 1/2" fm NBR SV16

diaphragm-safety valve 1/2" x 1/2" fm SV16 seal NBR, set pressure 1,0 - 16,0 bar. for cooling-/ chilling plants

Technical features

  • diameter 1/2" x 1/2" fm
  • connection Female screw threaded BSP-P DIN EN ISO 228
  • seal NBR
  • set pressure 1,0 - 16,0 bar
  • media liquid media
  • 24 months warranty
    Certified

€52.20*

€62.12 VAT included.

Delivery time
3 - 5 working days

safety valve 1 1/2" m x 2" fm SV09 neutral gaseous media, stainless steel PTFE, with lever

SV09110307

safety valve 1 1/2" m  x 2" fm SV09 neutral gaseous media, stainless steel PTFE, with lever

safety valve 1 1/2" m x 2" fm made ofsengewinde SV09 for neutral gaseous media made of stainless steel seal PTFE set pressure 0,5 - 70,0 bar

Technical features

  • diameter 1 1/2" m x 2" fm
  • connection male screw threaded BSP-P
  • seal PTFE
  • set pressure 0,5 - 70,0 bar
  • media neutral gaseous media
  • 24 months warranty
    Certified

€1,495.70*

€1,779.88 VAT included.

Delivery time
3 - 5 working days

safety valve 1/2" x 1" fm SV08 gaseous media, gunmetal NBR

SV08000403

safety valve 1/2" x 1" fm SV08 gaseous media, gunmetal NBR

safety valve 1/2" mit with bellows SV08 for gaseous media made of gunmetal seal NBR set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version twist-type lifting mechanism

Technical features

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

€200.40*

€238.48 VAT included.

Delivery time
3 - 5 working days

safety valve 1 1/4" m x 2" fm SV08 gaseous media, gunmetal FKM

SV08010206

safety valve 1 1/4" m  x 2" fm SV08 gaseous media, gunmetal FKM

safety valve mit einem with bellows 1 1/4" m x 2" fm SV08 for gaseous media made of gunmetal seal FKM 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 FKM
  • set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
  • media gaseous media
  • 24 months warranty
    Certified

€619.40*

€737.09 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN65/DN100 SF06, gastight bonnet & stainless steel bonnet EPDM, with lifting device lever

SF06120109

flange-safety valve DN65/DN100 SF06, gastight bonnet & stainless steel bonnet EPDM, with lifting device lever

flange-safety valve DN65/DN100 SF06 for liquid and gaseous media made of Spheriodal graphite cast iron 5.1303 seal EPDM set pressure 0,3 - 40,0 bar with lifting device lever

Technical features

  • diameter DN65/DN100
  • connection flange acc. to DIN EN 1092-2 | Input PN40 output PN16
  • seal EPDM
  • set pressure 0,3 - 40,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€2,952.20*

€3,513.12 VAT included.

Delivery time
3 - 5 working days

safety valve 1" m x 1 1/2" fm SV06 liquid media, stainless steel PTFE

SV06010305

safety valve 1" m  x 1 1/2" fm SV06 liquid media, stainless steel PTFE

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

Technical features

  • diameter 1" m x 1 1/2" fm
  • connection male screw threaded BSP-P
  • seal PTFE
  • set pressure 0,5 - 70,0 bar
  • media liquid media
  • 24 months warranty
    Certified

€1,146.10*

€1,363.86 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN20/DN20 SF0101, cast iron EN-JL1040 FPM, without lever

SF01010204

flange-safety valve DN20/DN20 SF0101, cast iron EN-JL1040 FPM, without lever

flange-safety valve DN20/DN20 pressure 0,5 up to max. 16 bar without lever for liquid and gaseous media made of cast iron EN-JL1040 seal FPM

Technical features

  • diameter DN20/DN20
  • 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

€513.50*

€611.07 VAT included.

Delivery time
2 - 3 weeks

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

SV04010105

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

safety-valve 1" m x 1 1/2" fm with with bellows und twist-type lifting mechanism gunmetal Typ SV04 with male screw threaded BSP-P EPDM-seal for liquid media

Technical features

  • diameter 1" m x 1 1/2" 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

€470.30*

€559.66 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN80/DN80 SF0101, cast iron EN-JL1040 EPDM, without lever

SF01010110

flange-safety valve DN80/DN80 SF0101, cast iron EN-JL1040 EPDM, without lever

safety valve DN80 gastight cap and closed bonnet made of cast iron EN-JL1040 seal EPDM pressure 0,5 up to max. 16 bar without lever

Technical features

  • diameter DN80/DN80
  • 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

€1,123.40*

€1,336.85 VAT included.

Delivery time
2 - 3 weeks

safety valve bellow & gastight cap DN32/DN50 SF04, FKM, with lifting device lever

SF04120206

safety valve bellow & gastight cap DN32/DN50 SF04, FKM, with lifting device lever

safety valve DN32/DN50 SF04 with bellows & gastight cap stainless steel seal FKM pressure 1,0 - 40,0 bar lever

Technical features

  • diameter DN32/DN50
  • connection flange acc. to DIN EN 1092-1
  • seal FKM
  • set pressure 1,0 - 40,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€4,652.90*

€5,536.95 VAT included.

Delivery time
3 - 5 working days

diaphragm-safety valve 1" x 1" fm EPDM SV16

SV16000105

diaphragm-safety valve 1" x 1" fm EPDM SV16

diaphragm-safety valve 1" x 1" fm SV16 seal EPDM, set pressure 1,0 - 16,0 bar. for cooling-/ chilling plants

Technical features

  • diameter 1" x 1" fm
  • connection Female screw threaded BSP-P DIN EN ISO 228
  • seal EPDM
  • set pressure 1,0 - 16,0 bar
  • media liquid media
  • 24 months warranty
    Certified

€136.00*

€161.84 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN50/DN50 SF0102, cast iron EN-JL1040 FPM, with lever

SF01020208

flange-safety valve DN50/DN50 SF0102, cast iron EN-JL1040 FPM, with lever

cast iro flange-safety valve DN50/DN50 open lifting device and open bonnet for gaseous media, made of cast iron EN-JL1040 seal FPM

Technical features

  • diameter DN50/DN50
  • 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

€753.70*

€896.90 VAT included.

Delivery time
2 - 3 weeks

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

SF06020104

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

flange-safety valve DN20/DN32 SF06 for liquid and gaseous media made of Spheriodal graphite cast iron 5.1303 seal EPDM 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 EPDM
  • 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

angle-type safety valve 3/8" m x 3/8" fm SV11, stainless steel FKM, without lever

SV11000202

angle-type safety valve 3/8" m  x 3/8" fm SV11, stainless steel FKM, without lever

angle-type safety valve 3/8" m x 3/8" fm SV11 for liquid and gaseous media aus stainless steel seal FKM pressure 0,5 - 1,5 bar without lever

Technical features

  • diameter 3/8" m x 3/8" fm
  • connection male screw threaded BSP-P
  • seal FKM
  • set pressure 0,5 - 1,5 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€574.00*

€683.06 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN40/DN65 SF06, gastight bonnet & stainless steel bonnet FKM, with lifting device lever

SF06120207

flange-safety valve DN40/DN65 SF06, gastight bonnet & stainless steel bonnet FKM, with lifting device lever

flange-safety valve DN40/DN65 SF06 for liquid and gaseous media made of Spheriodal graphite cast iron 5.1303 seal FKM set pressure 0,9 - 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 FKM
  • set pressure 0,9 - 40,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€1,838.50*

€2,187.82 VAT included.

Delivery time
3 - 5 working days

safety valve 1 1/2" x 2" fm SV04 liquid media, gunmetal PTFE, with lever

SV04100307

safety valve 1 1/2" x 2" fm SV04 liquid media, gunmetal PTFE, with lever

safety valve for liquid media PTFE 1 1/2" x 2" fm gunmetal Typ SV04 with Female screw threaded BSP-P with lever and with bellows

Technical features

  • diameter 1 1/2" x 2" fm
  • connection Female screw threaded BSP-P
  • seal PTFE
  • set pressure 0,5 - 50,0 bar
  • media liquid media
  • 24 months warranty
    Certified

€716.50*

€852.64 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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