Skip to main content

Overpressure safety device, brass

Adjustable overpressure safety device used to protect the system against peak pressures exceeding the range of the pressure gauge. At measuring points which are subject to great pressure variations, you can install different pressure gauges with different ranges in order to precisely measure even the lower pressures. The overpressure safety devices are adjusted according to the maximum pressure ratings of the various pressure gauges installed.

TypeConnectionAdjustment rangematerialPart no.
Overpressure safety device female/female connection x male0.4/2.5 barBrass63131
Overpressure safety device female/female connection x male2/6 barBrass63132
Overpressure safety device female/female connection x male5/25 barBrass63133
Overpressure safety device female/female connection x male20/60 barBrass63134
Overpressure safety device female/female connection x male50/250 barBrass63135
Overpressure safety device female/female connection x male240/400 barBrass63136
  • in-stock items
  • manufactured goods

Function
When the set pressure is reached, a piston valve blocks the port to the pressure gauge. After the pressure has dropped to a value of approx. 25 % below the closing pressure, the valve opens again.
Operating temperature range
max. 80 °C
Overpressure safety
Brass:
600 bar
Max. vacuum range up to -1 bar, no adjustment function
Connection
G½ female/female connection x male
material
Housing:
Brass
piston:
Stainless steel 316 Ti
Female/female connection:
Steel
diaphragm:
FKM (Viton)
O ring:
FKM (Viton)

Click the corresponding image for detail views, additional information and dimension tables.