EATON Screw-In Cartridge Valves E-VLSC-MC001-E December 2009 E-310.A

An Eaton Brand

E

Where measurements are critical request certified drawings. We reserve the right to change specifications without notice.

1VR100 - Relief Valve

Spool, ventable, pilot operated

100 L/min (26 USgpm) • 350 bar (5000 psi)

Description

This is a ventable, internally

pilot operated relief valve

section for a two-pressure

system or to allow manual

or remote ‘unloading’ of the

pump.

Operation

When inlet pressure exceeds

the setting of the valve, the

pilot section opens. The

pilot flow causes a pressure

imbalance across the main

This flow through the vent

causes a pressure imbalance,

opening the main section

and dumping the pump at

minimum pressure drop.

Features

High accuracy of pilot operated

design. Hardened working

parts give long, reliable,

trouble-free life. Ventable

for versatility of application.

Pressure Drop Curves

Performance Data

Sectional View

Ratings and Specifications

Figures based on: Oil Temp = 40°C Viscosity = 32 cSt (150 SUS)

Mounting position Unrestricted

Cavity A3146 (See Section M)

Torque cartridge into cavity 75 Nm (55 lbs ft)

Weight 1VR100 0.46 kg (1.0 lbs)

1VR150 1.13 kg (2.5 lbs)

Seal Kit SK275 (Nitrile) SK275V (Viton

)

Recommended filtration level BS5540/4 Class 18/13 (25 micron nominal)

Operating temp -20° to +90°C (-22° to +194°F)

Leakage 35 milliliters/min @ 280 bar

EATON Screw-In Cartridge Valves E-VLSC-MC001-E December 2009 E-311.A

An Eaton Brand

E

Where measurements are critical request certified drawings. We reserve the right to change specifications without notice.

Code Port Size Housing Number - Body Only

Aluminium Steel

6W 3/4’’ BSP B4377 B4378

12T 3/4’’ SAE B10785 B11554

Model Code

1VR*** P 8W 35

2035Std setting made at 14 L/min5

S SV