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.
Determination of
The set pressure of a safety valve
Determination of
Max. Operating pressure of a plant
cryo-safety-valve DN20 1" m x 1" fm SV14 for cryogenic liquified gases made of stainless steel with lever seal PTFE pressure 0,2 - 70,0 bar
diameter:
DN20 1" m x 1" fm
connection:
male screw threaded BSP-P
seal:
PTFE
set pressure:
0,2 - 70,0 bar
media:
cryogenic liquified gases
cryo-safety-valve DN25 1" m x 1 1/2" fm SV14 for cryogenic liquified gases made of stainless steel seal PTFE pressure 0,2 - 50,0 bar
diameter:
DN25 1" m x 1 1/2" fm
connection:
male screw threaded BSP-P
seal:
PTFE
set pressure:
0,2 - 50,0 bar
media:
cryogenic liquified gases
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
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
cryo-safety-valve DN32 1 1/2" m x 2" fm SV14 for cryogenic liquified gases made of stainless steel with lever seal PTFE pressure 0,2 - 50,0 bar
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
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
diameter:
3/8" m NPT x 3/8" fm
connection:
male screw threaded NPT
seal:
FKM
set pressure:
0,2 - 25,0 bar
media:
liquid and gaseous media
safety valve 1/2" m x 1" fm made ofsengewinde SV07 for neutral gaseous media made of gunmetal seal FKM set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
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:
neutral gaseous media
diaphragm-safety valve 1" x 1" fm SV16 seal EPDM, set pressure 1,0 - 16,0 bar. for cooling-/ chilling plants
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
safety valve DN15/DN25 SF04 with bellows & gastight cap stainless steel seal FKM pressure 1,2 - 40,0 bar lever
diameter:
DN15/DN25
connection:
flange acc. to DIN EN 1092-1
seal:
FKM
set pressure:
1,2 - 40,0 bar
media:
liquid and gaseous media
angle-type-safety-valve male thread with with lever 3/4" m x 1 1/4" fm Typ SV03 FKM-seal for neutral liquid media made of gunmetal without bellows
diameter:
3/4" m x 1 1/4" fm
connection:
male screw threaded BSP-P
seal:
FKM
set pressure:
0,5 - 25,0 bar- higher pressures possible in PTFE version
media:
neutral liquid media
safety valve 3/8" m Typ SV01 atmospheric discharg for air, made of brass with an PTFE seal, pressure 25,1 - 50,0 bar
diameter:
3/8" m
connection:
male screw threaded BSP-P
seal:
PTFE
set pressure:
25,1 - 50,0 bar
media:
neutral gaseous media
flange-safety valve DN32/DN32 for liquid and gaseous media made of cast steel 1.0619+N seal metal pressure 0,2 up to max. 40 bar
diameter:
DN32/DN32
connection:
flange acc. to DIN EN 1092-1
seal:
metal
set pressure:
0,2 up to max. 40 bar
media:
liquid and gaseous media
flange-safety valve DN100/DN150 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
diameter:
DN100/DN150
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
safety valve 3/4" m x 1 1/4" fm male screw threaded BSP-P SV08 for gaseous media made of gunmetal seal PTFE set pressure 0,5 - 50,0 bar with lever
diameter:
3/4" m x 1 1/4" fm
connection:
male screw threaded BSP-P
seal:
PTFE
set pressure:
0,5 - 50,0 bar
media:
gaseous media
safety valve DN80/DN125 SF04 with bellows & gastight cap stainless steel seal EPDM pressure 0,2 - 40,0 bar
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
angle-type-safety-valve male thread 1 1/2" m x 2" fm gunmetal FKM Typ SV03 for neutral liquid media with twist-type lifting mechanism without bellows
diameter:
1 1/2" 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:
neutral liquid media
safety valve 1" m x 1" fm SV13 for liquid and gaseous media made of stainless steel seal FKM pressure 0,2 - 25,0 bar with lever
diameter:
1" m x 1" fm
connection:
male screw threaded BSP-P
seal:
FKM
set pressure:
0,2 - 25,0 bar
media:
liquid and gaseous media
angle-type-safety-valve gunmetal 1 1/4" m x 2" fm male thread NBR Typ SV03 for neutral liquid media with twist-type lifting mechanism without bellows
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
safety valve mit einem with bellows 1 1/4" m x 2" fm SV08 for gaseous media made of gunmetal seal EPDM set pressure 0,5 - 25,0 bar- higher pressures possible in PTFE version
diameter:
1 1/4" 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
