High quality safety valve large choice

Safety valves

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!

Determination of

The set pressure of a safety valve

Setting pressure

bar

Determination of

Max. Operating pressure of a plant

Operating pressure

bar

safety valve 3/4" m x 1 1/4" fm SV09 neutral gaseous media, stainless steel NBR, with lever

SV09110404

safety valve 3/4" m x 1 1/4" fm made ofsengewinde SV09 for neutral gaseous media made of stainless steel seal NBR set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version

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 gaseous media

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

SV07010405

safety valve 1" 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" 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 gaseous media

safety valve 3/4" m x 1 1/4" fm SV09 neutral gaseous media, stainless steel EPDM

SV09010104

safety valve 3/4" male screw threaded BSP-P SV09 for neutral gaseous media made of stainless steel seal EPDM set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version

Technical features

diameter 3/4" m x 1 1/4" fm
connection male screw threaded BSP-P
seal EPDM
set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
media neutral gaseous media

safety valve 1 1/2" x 2" fm SV07 neutral gaseous media, gunmetal PTFE

SV07000307

safety valve 1 1/2" 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 1 1/2" x 2" fm
connection Female screw threaded BSP-P
seal PTFE
set pressure 0,5 - 50,0 bar
media neutral gaseous media

flange-safety valve DN40/DN65 SF04, stainless steel PTFE, without lifting device

SF04000307

flange-safety valve DN40/DN65 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 DN40/DN65
connection flange acc. to DIN EN 1092-1
seal PTFE
set pressure 0,2 - 40,0 bar
media liquid and gaseous media

flange-safety valve DN80/DN80 SF0301, stainless steel EPDM, without lever

SF03010110

flange-safety valve entry DN80 exit DN80 for liquid and gaseous media, made of stainless steel seal EPDM pressure 0,5 up to max. 30 bar

Technical features

diameter DN80/DN80
connection flange acc. to DIN EN 1092-1
seal EPDM
set pressure 0,5 up to max. 30 bar
media liquid and gaseous media

flange-safety valve DN32/DN32 SF0301, stainless steel EPDM, without lever

SF03010106

flange-safety valve entry DN32 exit DN32 for liquid and gaseous media, made of stainless steel seal EPDM pressure 0,5 up to max. 40 bar

Technical features

diameter DN32/DN32
connection flange acc. to DIN EN 1092-1
seal EPDM
set pressure 0,5 up to max. 40 bar
media liquid and gaseous media

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

SV06000204

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

Technical features

diameter 3/4" x 1 1/4" fm
connection Female screw threaded BSP-P
seal FKM
set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
media liquid media

safety valve 1/2" m NPT x 1/2" fm SV13, stainless steel EPDM, without lever

SV13010103

safety valve 1/2" m NPT x 1/2" fm SV13 for liquid and gaseous media made of stainless steel seal EPDM pressure 0,2 - 25,0 bar without lever

Technical features

diameter 1/2" m NPT x 1/2" fm
connection male screw threaded NPT
seal EPDM
set pressure 0,2 - 25,0 bar
media liquid and gaseous media

safety valve bellow & gastight cap DN25/DN40 SF04, PTFE, with lifting device lever

SF04120305

safety valve DN25/DN40 SF04 with bellows & gastight cap stainless steel seal PTFE pressure 0,5 - 40,0 bar lever

Technical features

diameter DN25/DN40
connection flange acc. to DIN EN 1092-1
seal PTFE
set pressure 0,5 - 40,0 bar
media liquid and gaseous media

safety valve 3/4" m x 1 1/4" fm SV04 liquid media, gunmetal EPDM

SV04010104

safety-valve 3/4" m x 1 1/4" 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 3/4" m x 1 1/4" 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

safety valve 3/4" x 1 1/4" fm SV08 gaseous media, gunmetal NBR, with lever

SV08100404

safety valve 3/4" x 1 1/4" fm SV08 for gaseous media made of gunmetal seal NBR set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version mit with lever

Technical features

diameter 3/4" x 1 1/4" 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

safety valve 1 1/4" x 2" fm SV09 neutral gaseous media, stainless steel FKM, with lever

SV09100206

safety valve 1 1/4" x 2" fm mit with lever 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 1 1/4" x 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

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

SV09100207

safety valve 1 1/2" x 2" fm mit with lever 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 1 1/2" x 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

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

SV10000407

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

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

SV10010105

safety valve mit einem with bellows 1" m 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

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 gaseous media

angle-type safety valve 1 1/4" x 2" fm SV04 liquid media, gunmetal NBR

SV04000406

angle-type-safety-valve for liquid media 1 1/4" x 2" fm NBR gunmetal Typ SV04 with Female screw threaded BSP-P, twist-type lifting mechanism and with bellows

Technical features

diameter 1 1/4" 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

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

SV06110403

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

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 liquid media

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

SF02020207

flange-safety valve DN40/DN40 SF0202 for gaseous media made of cast steel seal FPM pressure 0,5 up to max. 40 bar 0°C up to + 180°C

Technical features

diameter DN40/DN40
connection flange acc. to DIN EN 1092-1
seal FPM
set pressure 0,5 up to max. 40 bar
media gaseous media

flange-safety valve DN15/DN25 SF06, gastight bonnet metal, without lifting device

SF06000003

flange-safety valve DN15/DN25 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 DN15/DN25
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

safety valve 1/2" m x 1/2" fm SV13, stainless steel NBR, without lever

SV13000403

safety valve 1/2" m x 1/2" fm SV13 for liquid and gaseous media made of stainless steel seal NBR pressure 0,2 - 25,0 bar without lever

Technical features

diameter 1/2" m x 1/2" fm
connection male screw threaded BSP-P
seal NBR
set pressure 0,2 - 25,0 bar
media liquid and gaseous media

safety valve bellow & gastight cap DN80/DN125 SF04, EPDM, with lifting device lever

SF04120110

safety valve DN80/DN125 SF04 with bellows & gastight cap stainless steel seal EPDM pressure 0,2 - 40,0 bar lever

Technical features

diameter DN80/DN125
connection flange acc. to DIN EN 1092-1
seal EPDM
set pressure 0,2 - 40,0 bar
media liquid and gaseous media

flange-safety valve DN25/DN25 SF03, stainless steel metal, with lever

SF03000005

flange-safety valve DN25/DN25 SF03 for liquid and gaseous media made of stainless steel seal metal pressure 0,2 up to max. 40 bar with lever

Technical features

diameter DN25/DN25
connection flange acc. to DIN EN 1092-1
seal metal
set pressure 0,2 up to max. 40 bar
media liquid and gaseous media

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

SV09110308

safety valve 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 2" m x 2" fm
connection male screw threaded BSP-P
seal PTFE
set pressure 0,5 - 70,0 bar
media neutral gaseous media

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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

Quality

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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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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.

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Technical and commercial expertise form the basis for developing qualified solutions tailored precisely to the needs of our customers.

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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.

Safety valves

NieRuf: your experienced safety valve partner!

NieRuf: your experienced safety valve partner!

Determination of

The set pressure of a safety valve

Determination of

Max. Operating pressure of a plant

Filter products

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Technical features

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Technical features

The right safety valve for every area of application

Huge variety of safety valves in our store

We are here for you

FAQ FREQUENTLY ASKED QUESTIONS

This is NieRuf

Committed

Motivated

Competently

Flexible

Contact

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FREQUENTLY ASKED QUESTIONS