Pressure relief valves
Pressure relief valves prevent system overloads. Depending on the operating pressure, volume flow, viscosity etc., appropriate valve solutions are available for all framework conditions, be it for rapid buffering of pressure peaks or extreme flow-off requirements.
SPV/SPVF

CHARACTERISTICS
Volume flow
40 … 800 l/min
10.57 … 211 gal/min
Temperature range
-40 … 220 °C / -40 … 428 °F
Nominal pressure
… 30 bar / … 435 psi
DATA SHEET
Contact
HV/HVF

CHARACTERISTICS
Volume flow
50 … 350 l/min
13.21 … 92 gal/min
Temperature range
-20 … 80 °C / -4 … 176 °F
Nominal pressure
… 160 bar / … 2 321 psi
DATA SHEET
Contact
DBD

CHARACTERISTICS
Volume flow
… 200 l/min
… 53 gal/min
Temperature range
-20 … 80 °C / -4 … 176 °F
Nominal pressure
… 400 bar / … 5 802 psi
DATA SHEET
Contact
DV B
On request, the DV B pressure relief valve is also available with an additional 2/2-directional control valve (e.g. for pressure-minimized circulation).

CHARACTERISTICS
Volume flow
800 … 1 800 l/min
211 … 476 gal/min
Temperature range
-15 … 150 °C / 5 … 302 °F
Nominal pressure
… 210 bar / … 3 046 psi
DATA SHEET
Contact
D-valve

CHARACTERISTICS
2.5 … 630 cm³/rev
Temperature range
-40 … 200 °C / -40 … 392 °F
Nominal pressure
… 25 bar / … 363 psi
DATA SHEET
Contact
T-valve

CHARACTERISTICS
Displacement KF pump
32 … 80 cm³/rev
Temperature range
-40 … 200 °C / -40 … 392 °F
Nominal pressure
… 25 bar / … 363 psi
DATA SHEET
Contact
TECHNICAL DATA
Series | Nominal sizes | Flow rate | Nominal pressure | Viscosity | Pressure medium temperature | Data | Operating | |
---|---|---|---|---|---|---|---|---|
SPV/SPVF | 10, 20/25, 32/40, 50, 80 | max. 800 / 211 | … 30 / … 435 | 1.2 ... 1 000 | -40 … 220 / -40 … 428 | - | ||
HV/HVF | 10, 25, 40 | max. 350 / 92 | … 160 / 2 321 | 13 ... 600 | -20 … 80 / -4 … 176 | - | ||
DBD | 06, 08, 10, 20 | max. 200 / 53 | … 400 / 5 802 | 10 ... 600 | -20 … 80 / -4 … 176 | - | ||
DV B | 50, 80 | max. 1 800 / 476 | … 210 / 3 046 | 4 ... 1 000 | -15 … 150 / 5 … 302 | |||
D-Valve | KF pumps: 2.5 ... 630 cm³/rev | … 25 / 363 | 1.4 ... 100 000 | -40 … 200 / -40 … 392 | - | |||
T-Valve | KF pumps: 32 ... 80 cm³/rev | … 25 / 363 | 1.4 ... 100 000 | -40 … 200 / -40 … 392 | - |