Skip to main content Skip to search Skip to main navigation
Go to homepage

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 DN80/DN125 SF04, stainless steel FKM, with lifting device lever

SF04100210

flange-safety valve DN80/DN125 SF04, stainless steel FKM, with lifting device lever

flange-safety valve DN80/DN125 SF04 for liquid and gaseous media made of stainless steel seal FKM set pressure 0,2 - 40,0 bar with lifting device lever

Technical features

  • diameter DN80/DN125
  • 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

€10,001.50*

€11,901.79 VAT included.

Delivery time
3 - 5 working days

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

SF06120009

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

flange-safety valve DN65/DN100 SF06 for liquid and gaseous media made of Spheriodal graphite cast iron 5.1303 seal metal 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 metal
  • set pressure 0,3 - 40,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€2,563.60*

€3,050.68 VAT included.

Delivery time
3 - 5 working days

safety valve 2" m x 2" fm SV04 liquid media, gunmetal NBR, with lever

SV04110408

safety valve 2" m  x 2" fm SV04 liquid media, gunmetal NBR, with lever

safety valve with with bellows 2" m x 2" fm Typ SV04 with male screw threaded BSP-P NBR-seal for liquid media made of gunmetal with with lever

Technical features

  • diameter 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

€819.10*

€974.73 VAT included.

Delivery time
3 - 5 working days

cryo-safety-valve DN8 3/8" m x 3/8" fm SV14, stainless steel PTFE

SV14000302.1

cryo-safety-valve DN8 3/8" m x 3/8" fm SV14, stainless steel PTFE

cryo-safety-valve DN8 3/8" m x 3/8" fm SV14 for nitrogen made of stainless steel seal PTFE pressure 0,2 - 70,0 bar

Technical features

  • diameter DN8 3/8" m x 3/8" fm
  • connection male screw threaded BSP-P
  • seal PTFE
  • set pressure 0,2 - 70,0 bar
  • media cryogenic liquified gases
  • 24 months warranty
    Certified

€197.70*

€235.26 VAT included.

Delivery time
3 - 5 working days

safety valve 1/2" m x 1/2" fm SV13, stainless steel EPDM, with lever

SV13100103

safety valve 1/2" m  x 1/2" fm SV13, stainless steel EPDM, with lever

safety valve 1/2" m x 1/2" fm SV13 for liquid and gaseous media made of stainless steel seal EPDM pressure 0,2 - 25,0 bar with lever

Technical features

  • diameter 1/2" m x 1/2" fm
  • connection male screw threaded BSP-P
  • seal EPDM
  • set pressure 0,2 - 25,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€464.10*

€552.28 VAT included.

Delivery time
3 - 5 working days

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

SV04010203

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

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

Technical features

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

€200.40*

€238.48 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN15/DN15 SF0301, stainless steel FPM, without lever

SF03010203

flange-safety valve DN15/DN15 SF0301, stainless steel FPM, without lever

flange-safety valve entry DN15 exit DN15 for liquid and gaseous media, made of stainless steel seal FPM pressure 0,5 up to max. 40 bar

Technical features

  • diameter DN15/DN15
  • connection flange acc. to DIN EN 1092-1
  • seal FPM
  • set pressure 0,5 up to max. 40 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€1,706.60*

€2,030.85 VAT included.

Delivery time
2 - 3 weeks

safety valve 1 1/2" x 2" fm SV03 neutral liquid media, gunmetal PTFE, with lever

SV03100307

safety valve 1 1/2" x 2" fm SV03 neutral liquid media, gunmetal PTFE, with lever

safety-valve with with lever 1 1/2" x 2" fm Typ SV03 with Female screw threaded BSP-P PTFE-seal for neutral liquid media made of gunmetal without 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 neutral liquid media
  • 24 months warranty
    Certified

€660.80*

€786.35 VAT included.

Delivery time
3 - 5 working days

safety valve 3/8" SV02 for air, stainless steel FKM

SV02000002

safety valve 3/8" SV02 for air, stainless steel FKM

safety valve 3/8" 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 3/8" 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

€181.10*

€215.51 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN100/DN150 SF04, stainless steel FKM, without lifting device

SF04000211

flange-safety valve DN100/DN150 SF04, stainless steel FKM, without lifting device

flange-safety valve DN100/DN150 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 DN100/DN150
  • 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

€13,605.30*

€16,190.31 VAT included.

Delivery time
3 - 5 working days

diaphragm-safety valve 2" x 2" fm EPDM SV16

SV16000108

diaphragm-safety valve 2" x 2" fm EPDM SV16

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

Technical features

  • diameter 2" x 2" 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

€432.40*

€514.56 VAT included.

Delivery time
3 - 5 working days

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

SV05110406

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

safety-valve male thread 1 1/4" m x 2" fm NBR stainless steel Typ SV05 for neutral liquid media with 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 neutral liquid media
  • 24 months warranty
    Certified

€1,338.60*

€1,592.93 VAT included.

Delivery time
3 - 5 working days

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

SV07110406

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

safety valve 1 1/4" m x 2" fm made ofsengewinde 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

€591.90*

€704.36 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN20/DN32 SF06, gastight bonnet & stainless steel bonnet metal, with lifting device lever

SF06120004

flange-safety valve DN20/DN32 SF06, gastight bonnet & stainless steel bonnet metal, with lifting device lever

flange-safety valve DN20/DN32 SF06 for liquid and gaseous media made of Spheriodal graphite cast iron 5.1303 seal metal set pressure 0,8 - 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 metal
  • set pressure 0,8 - 40,0 bar
  • media liquid and gaseous media
  • 24 months warranty
    Certified

€935.40*

€1,113.13 VAT included.

Delivery time
3 - 5 working days

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

SV07110403

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

safety valve 1/2" m x 1" fm made ofsengewinde 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 1/2" m x 1" 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

€188.30*

€224.08 VAT included.

Delivery time
3 - 5 working days

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

SV10010107

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

safety valve mit einem with bellows 1 1/2" m x 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

Technical features

  • diameter 1 1/2" 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 gaseous media
  • 24 months warranty
    Certified

€1,606.10*

€1,911.26 VAT included.

Delivery time
3 - 5 working days

safety valve 1" SV01 for air, brass FKM

SV01000005

safety valve 1" SV01 for air, brass FKM

safety valve 1" m Typ SV01 atmospheric discharg for air, made of brass 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

€65.40*

€77.83 VAT included.

Delivery time
3 - 5 working days

cryo-safety-valve DN32 1 1/2" m x 2" fm SV14, stainless steel PTFE, without lever

SV14000307

cryo-safety-valve DN32 1 1/2" m x 2" fm SV14, stainless steel PTFE, without lever

cryo-safety-valve DN32 1 1/2" m x 2" fm SV14 for cryogenic liquified gases made of stainless steel seal PTFE pressure 0,2 - 50,0 bar

Technical features

  • diameter DN32 1 1/2" m x 2" fm
  • connection male screw threaded BSP-P
  • seal PTFE
  • set pressure 0,2 - 50,0 bar
  • media cryogenic liquified gases
  • 24 months warranty
    Certified

€1,493.10*

€1,776.79 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN20/DN32 SF06, gastight bonnet metal, without lifting device

SF06000004

flange-safety valve DN20/DN32 SF06, gastight bonnet metal, without lifting device

flange-safety valve DN20/DN32 SF06 for liquid and gaseous media made of Spheriodal graphite cast iron 5.1303 seal metal set pressure 0,2 - 40,0 bar without lifting device

Technical features

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

€533.90*

€635.34 VAT included.

Delivery time
3 - 5 working days

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

SV08000107

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

safety valve 1 1/2" 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 1 1/2" 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

€687.70*

€818.36 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN32/DN50 SF06, open bonnet metal, with lifting device lever

SF06110006

flange-safety valve DN32/DN50 SF06, open bonnet metal, with lifting device lever

flange-safety valve DN32/DN50 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 DN32/DN50
  • 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

€664.40*

€790.64 VAT included.

Delivery time
3 - 5 working days

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

SV07000308

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

safety valve 2" x 2" fm set pressure 0,5 - 50,0 bar for neutral gaseous media made of gunmetal seal PTFE with an twist-type lifting mechanism

Technical features

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

€733.00*

€872.27 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN80/DN125 SF06, gastight bonnet & stainless steel bonnet EPDM, without lifting device

SF06020110

flange-safety valve DN80/DN125 SF06, gastight bonnet & stainless steel bonnet EPDM, without lifting device

flange-safety valve DN80/DN125 SF06 for liquid and gaseous media made of Spheriodal graphite cast iron 5.1303 seal EPDM set pressure 0,2 - 40,0 bar without lifting device

Technical features

  • diameter DN80/DN125
  • 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

€3,618.80*

€4,306.37 VAT included.

Delivery time
3 - 5 working days

flange-safety valve DN20/DN20 SF01, cast iron EN-JL1040 FPM, with lever

SF01000204

flange-safety valve DN20/DN20 SF01, cast iron EN-JL1040 FPM, with lever

flange-safety valve DN20/DN20 made of cast iron EN-JL1040 seal FPM pressure 0,5 up to max. 16 bar lifting with lever

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

€591.20*

€703.53 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

Resistance check
Frequently asked questions
Configurator
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

Loading…
Loading the web debug toolbar…
Attempt #