Riegler
491.03
Pressure relief valve, incl. pressure gauge, G 1/2, Setting range 0.1 - 3 bar, Medium / ambient temp. max. 60 °C
Manually adjustable overflow valves.
For protecting pneumatic systems against damage caused by excess pressure.
A [mm] : 82
Adjustment range max. [bar] : 3
Adjustment range min. [bar] : 0
B [mm] : 162
C [mm] : 129
D [mm] : 33
Diaphragms : NBR
Housing : Die-cast zinc, painted silver
Max. ambient temperature [°C] : 60
Max. medium temperature [°C] : 60
Page No. : HK173
Pressure gauge display max. [bar] : 4
Pressure gauge display min. [bar] : 0
Sealant : NBR
Spring bonnet : POM/brass
Thread : G 1/2
Adjustment range max. [bar] : 3
Adjustment range min. [bar] : 0
B [mm] : 162
C [mm] : 129
D [mm] : 33
Diaphragms : NBR
Housing : Die-cast zinc, painted silver
Max. ambient temperature [°C] : 60
Max. medium temperature [°C] : 60
Page No. : HK173
Pressure gauge display max. [bar] : 4
Pressure gauge display min. [bar] : 0
Sealant : NBR
Spring bonnet : POM/brass
Thread : G 1/2