Cross-line pressure relief valve

Oleodinamica Marchesini V0438/250 VAU dual cross-line relief valve

Model: V0438/250 · Oleodinamica Marchesini
Maximum operating pressure (bar)350
Maximum flow (l/min)30
Valve functionCross-line pressure relief
Port connection1/4" BSP
Body materialZinc-plated steel
MountingIn-line

Description

The Oleodinamica Marchesini V0438/250 is an in-line dual cross-line relief valve with G 1/4 ports and an 50–250 bar adjustment range. Maximum flow is 30 L/min and maximum operating pressure is 350 bar.

The valve limits pressure peaks in both directions of a hydraulic actuator circuit. It has a zinc-plated steel body, hardened and ground internals and NBR seals.

Full specifications

Technical specifications
Product type Cross-line pressure relief valve
Maximum operating pressure (bar) 350
Pressure setting maximum (bar) 250
Pressure setting minimum (bar) 50
Maximum flow (l/min) 30
Port thread standard BSP
Mounting In-line
Internal parts material Hardened and ground steel
Sealing type Guided poppet
Adjustment Screw
Factory type designation VAU 1/4
Manufacturer Oleodinamica Marchesini
Manufacturer part number V0438/250
Product family VAU
Standard setting reference (bar) 130
Base execution mass reference (kg) 0.988
Technical specifications
Port connection 1/4" BSP
Body material Zinc-plated steel
Valve function Cross-line pressure relief
Technical specifications
Seal material BUNA N