from 1 to 2
from 2 to 1
1/2
VRA1.025 0T.M6.01 - X - 99 - Z
Insert type
Relief direct acting adjustable,
anti-cavitation function
Special cavity, 869
Flow is free from 1 to 2 until pressure increases to meet the selected
valve setting, allowing relief flow through port 1 to tank. This valve
combine the typical function of shock relief valve (direct acting) and
anticavitation function through the check valve. The direct action and
the specific design allow a very fast opening and closing.
Note: to obtain a good leak proof performance coin the cavity seat
using a loose valve seat (P/N 0F.S0.049) as a coining tool.
Please consult factory for any question.
Please be careful to the following instructions:
1) Screw the valve into the cavity using the mentioned installation torque;
2) Adjust the setting using the stem “A”;
3) Once the valve is adjusted to the required pressure setting, lock the screw
“B”. Be careful to make the pressure setting adjustment when the screw “B”
is loose; block the screw with torque 2-4 Nm (1.5-3 ft-lbs) only when the
pressure setting is adjusted.
Technical data
Description
Performance
RE 18329-31/03.16
Replaces: RE 18329-31/11.13
Max. operating pressure bar (psi) 210 (3000)
Max. flow l/min. (gpm)
30 (8)
Max. internal
leakage (*)
drops/min. 15
Fluid temperature range °C (°F) -30 to 100 (-22 to 212)
Installation torque Nm (ft-lbs) 30-35 (22-26)
Weight kg (lbs) 0.07 (0.15)
Special cavity
869
see data sheet RE 18325-75
Lines bodies and standard
assemblies
Please refer to section “Hydraulic
integrated circuit” or consult
factory
Seal kit (**)
code
material no.
RG0869020000100
R931002405
Fluids
Mineral-based or synthetics
with lubricating properties at
viscosities of 10 to 500 mm
2
/s (cSt)
Recommended degree of fluid
contamination
Nominal value max. 10µm (NAS 8)
ISO 4406 19/17/14
Installation No restrictions
Other Technical Data See data sheet RE 18350-50
(*) at 80% of pressure setting
(**) Only external seals for 10 valves
Dimensions