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.
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.
flange-safety valve DN25/DN40 SF06 for liquid and gaseous media made of Spheriodal graphite cast iron 5.1303 seal EPDM set pressure 0,5 - 40,0 bar with lifting device lever
safety valve 1/2" x 1" fm mit with lever SV07 for neutral gaseous media made of gunmetal seal NBR set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
safety-valve gunmetal 3/4" m x 1 1/4" fm male thread NBR Typ SV03 for neutral liquid media with twist-type lifting mechanism without bellows
gunmetal-safety valve with with bellows FKM 1 1/4" m x 2" fm Typ SV04 with male screw threaded BSP-P for liquid media with twist-type lifting mechanism
safety valve 1" male screw threaded BSP-P SV07 for neutral gaseous media made of gunmetal seal PTFE set pressure 0,5 - 50,0 bar
flange-safety valve DN80/DN125 SF06 for liquid and gaseous media made of Spheriodal graphite cast iron 5.1303 seal FKM set pressure 0,2 - 40,0 bar with lifting device lever
safety valve 1" male screw threaded BSP-P SV09 for neutral gaseous media made of stainless steel seal NBR set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
safety valve DN20/DN32 SF04 with bellows & gastight cap stainless steel seal PTFE pressure 0,8 - 40,0 bar
safety valve 1 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
safety valve mit einem with bellows 1/2" m x 1" fm SV08 for gaseous media made of gunmetal seal NBR set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
safety valve mit einem with bellows 3/4" m x 1 1/4" fm SV10 for gaseous media made of stainless steel seal PTFE set pressure 0,5 - 70,0 bar
gunmetal-safety valve with with bellows 1 1/4" m x 2" fm Typ SV04 with male screw threaded BSP-P PTFE-seal for liquid media with twist-type lifting mechanism
angle-type-safety valve for liquid media FKM 1" x 1 1/2" fm stainless steel Typ SV06 with Female screw threaded BSP-P with lever and with bellows
safety valve 3/8" m NPT x 3/8" fm SV13 for liquid and gaseous media made of stainless steel seal FKM pressure 0,2 - 25,0 bar without lever
safety valve 1/2" x 1" fm set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version for neutral gaseous media made of stainless steel seal EPDM with an twist-type lifting mechanism
safety valve mit einem with bellows 1" m x 1 1/2" fm SV08 for gaseous media made of gunmetal seal PTFE set pressure 0,5 - 50,0 bar
safety valve 1 1/4" 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 mit with lever
flange-safety valve entry DN20 exit DN20 for liquid and gaseous media, made of stainless steel seal EPDM pressure 0,5 up to max. 40 bar
cryo-safety-valve DN8 1/4" m x 3/8" fm SV14 for cryogenic liquified gases made of stainless steel seal PTFE pressure 0,2 - 70,0 bar
safety valve mit einem with bellows 2" 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
flange-safety valve entry DN65 exit DN65 for liquid and gaseous media, made of stainless steel seal FPM pressure 0,2 up to max. 30 bar
safety valve 3/4" m NPT x 3/4" fm SV13 for liquid and gaseous media made of stainless steel seal FKM pressure 0,2 - 25,0 bar without lever
cryo-safety-valve DN25 1 1/4" m x 1 1/2" fm SV14 for cryogenic liquified gases made of stainless steel with lever seal PTFE pressure 0,2 - 50,0 bar
flange-safety valve DN100/DN150 SF06 for liquid and gaseous media made of Spheriodal graphite cast iron 5.1303 seal FKM set pressure 0,2 - 40,0 bar without lifting device
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 |
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.
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
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.
We always strive to find the best solution for our customers. It is our goal and incentive to have completely satisfied customers.
Technical and commercial expertise form the basis for developing qualified solutions tailored precisely to the needs of our customers.
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 For all questions we are available by phone
Mo - Fr 08:30 - 17:00
or send us an e-mail:
Resistance check 
Frequently asked questions 
Configurator 
Angle seat valves
Ball valves
Butterfly valves
Coaxial valves
Compensators
DISCO check valves
Flow control valve
Globe valves
Knife gate valve
Manometer gauge valve
Needle valves
Overflow valves
Pressure reducing valves
Safety valves
Sight glass
Solenoid valve
Strainer
check valves
diaphragm valve
vent-valve
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:
