Hydraulic valves

Explore hydraulic valves by circuit function: preventing reverse flow, regulating flow, limiting pressure, controlling loads and dividing flow. This catalogue focuses on model data and primary technical references.

Choose a valve function

How to select

First identify the required hydraulic function and inspect the circuit symbol. Compare flow capacity, maximum pressure, port connections and adjustment range as separate specifications. A valve setting or adjustment limit is a different parameter from its maximum pressure rating.

For piloted valves, read the pilot ratio in the convention used by the source catalogue. Match the exact model and product revision when checking installation dimensions or replacement compatibility.

Related catalogue: Directional valves for modular flow-routing controls.

Technical references

Technical documentation: verification pending

Technical documentation examples

Oleodinamica Marchesini V0455/V180 dual-branch motor relief valve

Oleodinamica Marchesini V0455/V180 dual-branch motor relief valve

Port connection:1/2" BSP
Seal material:BUNA N
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Oleodinamica Marchesini V0460/180 VAU 3/4 cross-line relief valve - screw adjustment

Oleodinamica Marchesini V0460/180 VAU 3/4 cross-line relief valve - screw adjustment

Port connection:3/4" BSP
Seal material:NBR (BUNA-N)
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Oleodinamica Marchesini V0460/V180 VAU 3/4 cross-line relief valve - handknob

Oleodinamica Marchesini V0460/V180 VAU 3/4 cross-line relief valve - handknob

Port connection:3/4" BSP
Seal material:NBR (BUNA-N)
View
Oleodinamica Marchesini V0470/400 differential-area cross-line relief valve

Oleodinamica Marchesini V0470/400 differential-area cross-line relief valve

Port connection:1" BSP
Seal material:BUNA N
View
Oleodinamica Marchesini V0470/PP400 differential-area cross-line relief valve

Oleodinamica Marchesini V0470/PP400 differential-area cross-line relief valve

Port connection:1" BSP
Seal material:BUNA N
View
Oleodinamica Marchesini V0470/V400 differential-area cross-line relief valve

Oleodinamica Marchesini V0470/V400 differential-area cross-line relief valve

Port connection:1" BSP
Seal material:BUNA N
View
Oleodinamica Marchesini V0489/180 single-branch motor relief valve

Oleodinamica Marchesini V0489/180 single-branch motor relief valve

Port connection:1/2" BSP
Seal material:BUNA N
View
Oleodinamica Marchesini V0489/PP180 single-branch motor relief valve

Oleodinamica Marchesini V0489/PP180 single-branch motor relief valve

Port connection:1/2" BSP
Seal material:BUNA N
View
Oleodinamica Marchesini V0489/V180 single-branch motor relief valve

Oleodinamica Marchesini V0489/V180 single-branch motor relief valve

Port connection:1/2" BSP
Seal material:BUNA N
View
Oleodinamica Marchesini V0490 VAU 1/2 DE OMS cross-line relief valve

Oleodinamica Marchesini V0490 VAU 1/2 DE OMS cross-line relief valve

Port connection:1/2" BSP
Seal material:NBR (BUNA-N)
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