Oleodinamica Marchesini V0490/SF/250 VAU OMS dual relief valve with brake release
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Dual-branch motor relief valve with brake release

Oleodinamica Marchesini V0490/SF/250 VAU OMS dual relief valve with brake release
Model: V0490/SF/250 · Oleodinamica Marchesini
Maximum operating pressure (bar)350
Maximum flow (l/min)50
Valve functionCross-line pressure relief
Port connection1/2" BSP
Body materialZinc-plated steel
MountingMotor flange
Full specifications ↓ Technical catalog · PDF

Description

The Oleodinamica Marchesini V0490/SF/250 is a dual cross-line relief valve for flange mounting to Danfoss OMS orbital motors. It has G 1/2 supply ports, a G 1/8 brake-release port and a 50–250 bar adjustment range. The valve is rated for up to 50 L/min and 350 bar.

The zinc-plated steel body houses hardened and ground steel internals and NBR seals.

Full specifications

Technical specifications
Product type Dual-branch motor relief valve with brake release
Maximum operating pressure (bar) 350
Pressure setting maximum (bar) 250
Pressure setting minimum (bar) 50
Maximum flow (l/min) 50
Brake release port Yes
Brake release port connection 1/8" BSP
Motor ports M1 and M2
Port thread standard BSP
Supply ports V1 and V2
Mounting Motor flange
Internal parts material Hardened and ground steel
Adjustment Screw
Compatible motor series Danfoss OMS
Factory circuit designation V0490/SF
Manufacturer Oleodinamica Marchesini
Manufacturer part number V0490/SF/250
Product family VAU OMS
Relief arrangement Both branches (DE)
Relief-controlled branches 2
Factory circuit mass reference (kg) 1.326
Technical specifications
Port connection 1/2" BSP
Body material Zinc-plated steel
Valve function Cross-line pressure relief
Technical specifications
Seal material BUNA N