Pressure relief valves
Pressure relief valves are installed generally in derivation between a pressurized line and the tank.
Relief valves are normally closed elements for the pressure control used to:
- limit the pressure in the circuit at the setting value;
- protect the other elements (pumps, cylinders, motors, other valves) from pressure peaks that could damage them.
When setting pressure is reached, the relief valve connects the line where is installed to the tank, avoiding to exceed the setting value in that line.
HBS relief valves are available in two versions:
- direct;
- piloted.
For greater flows, it is better to use the piloted valve, because the direct valve would require the use of a bigger body and a bigger spring, causing cumbersome problems, setting difficulty and response slowness.
Moreover, HBS pressure relief valves can be:
- single, to control the pressure on only one line of the circuit.
CODE
L/min
Description
Max press.
Body material
Conn.
Click to enlarge image
A010301.01.00
A010301.02.00
A010401.01.00
A010401.02.00
A010601.01.00
A010601.02.00
50lpm
65lpm
150lpm
Pressure relief valve
ZInc plated steel
400 Bar
G3/8"
G1/2"
G3/4"
B010401.11.00
B010401.12.00
B010601.11.00
B010601.12.00
65lpm
150lpm
Pressure relief valve
Aluminium
350 Bar
G1/2"
G3/4"
A010401.05.00
A010601.04.00
70lpm
100lpm
Pressure relief valve
Zinc plated steel
350 Bar
400 Bar
G1/2"
G3/4"
A010401.04.00
90lpm
Pressure relief valve
Zinc plated steel
350 Bar
G1/2"
A010302.01.00
A010302.02.00
A010402.01.00
A010402.02.00
50lpm
65lpm
Dual cross-over relief valve
ZInc plated steel
400 Bar
G3/8"
G1/2"
A010302.11.00
A010302.12.00
A010402.11.00
A010402.12.00
50lpm
65lpm
Dual cross-over relief valve
ZInc plated steel
400 Bar
G3/8"
G1/2"
A010302.13.00
30lpm
Dual cross-over relief valve
ZInc plated steel
400 Bar
G3/8"
A010804.01.00
200lpm
Dual cross-over relief valve
ZInc plated steel
350 Bar
G1"
B010402.01.00
B010402.02.00
30lpm
Dual cross-over relief valve
Aluminium
250 Bar
G1/2"
B010404.01.00
30lpm
Dual cross-over relief valve
Aluminium
250 Bar
G1/2"
A010802.01.00
200lpm
Dual cross-over relief valve
Zinc plated steel
400 Bar
G1"
B0160040.03.00
30lpm
Dual cross-over relief valve
Aluminium
250 Bar
G1/2"
A010802.01.00
200lpm
Dual cross-over relief valve
Zinc plated steel
400 Bar
G1"
A013807.01.00
A013807.02.00
30lpm
Pressure relief valve cartridge pressure compensated
500 Bar
CAVITY
M20x1,5
HBS.38.S.02A
A013807.03.00
A013807.04.00
A013807.08.00
30lpm
Pressure relief valve cartridge
500 Bar
C019901.01.00
C019901.02.00
150lpm
Pressure relief valve cartridge
350 Bar
C019902.02.00
C019902.04.00
200lpm
Pressure relief valve cartridge
350 Bar
C019902.01.00
C019902.02.00
200lpm
Pressure relief valve cartridge
350 Bar
PV10187.00.00
RDBA
45lpm
Pressure relief valve cartridge direct acting
350 Bar
CAVITY
T-162A
PV10412.00.00
RDDA
95lpm
Pressure relief valve cartridge direct acting
350 Bar
CAVITY
M20x1,5
T-10A
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