RE 18319-39/03.2016, Bosch Rexroth Oil Control S.p.A.
Technical data
Max. operating pressure 350 bar (5000 psi)
Max. flow 60 l/min. (16 gpm)
Pilot ratio 3.2:1
Max. internal leakage 5 drops/min.
Fluid temperature range -30 to 100 °C (-22 to 212 °F)
Installation torque 40 - 50 Nm (30 - 37 ft-lbs)
Weight 0.12 kg (0.27 lbs)
Cavity SUN T-11A
Lines bodies and standard
assemblies
Please refer to section “Hydraulic
integrated circuit” or consult factory
Seal kit
1)
Code: RG08U9020110100
material no: R901193388
Fluids Mineral-based or synthetics with
lubricating properties
at viscosities of 5 to 800 mm
2
/s (cSt)
Recommended degree of
fluid contamination
Nominal value max. 10µm (NAS 8) /
ISO 4406 19/17/14
Installation position No restrictions
Other Technical Data See data sheet 18350-50
1) Only external seals for 10 valves
Description
When pressure at 2 rises above the spring bias pressure, the
poppet is pushed from its seat and flow is allowed from 2 to
1. The valve is normally closed (checked) from 1 to 2. When
sufficient pilot pressure is present at port 3, the pilot piston
acts to push the poppet from its seat and flow is allowed from
1 to 2. Precision machining and hardening processes allow
virtually leak-free performance in the checked condition.
Available with “manual override” option.
Pilot operated check,
pilot to open
SUN cavity interchange, T-11A
RE 18319-39
Edition: 03.2016
Replaces: 09.2009
VSON-08U 04.33.06 - X - 20 - Z
Characteristic curve
Flow Q
Pressure Δp
2
Bosch Rexroth Oil Control S.p.A., RE 18319-39/03.2016
Bosch Rexroth Oil Control S.p.A.
Via Leonardo da Vinci 5
P.O. Box no. 5
41015 Nonantola – Modena, Italy
Tel. +39 059 887 611
Fax +39 059 547 848
compact-hydraulics-cv@boschrexroth.com
www.boschrexroth.com/compacthydraulics
© This document, as well as the data, specifications and other information set
forth in it, are the exclusive property of Bosch Rexroth Oil Control S.p.a.. It
may not be reproduced or given to third parties without its consent. The data
specified above only serve to describe the product. No statements concerning
a certain condition or suitability for a certain application can be derived from
our information. The information given does not release the user from the
obligation of own judgment and verification. It must be remembered that our
products are subject to a natural process of wear and aging. Subject to change.
VSON-08U | Pilot operated check, pilot to open
Dimensions [mm (inches)]
Type Material number
04330600200000A R901106637
04330610200000A R901104068
043306012000000 R930005647
043306112000000 R930001975
Type Material number
043306002005000 R930056986
043306102005000 R930056987
043306012005000 R930056988
043306112005000 R930056989
Dimensions
Version with
manual override
Ordering code
04.33.06 X 20 Z 00 *
Series 0/A to L
unchanged performances and dimensions
Pilot operated check, pilot to open Version and options standard
SPRINGS
Options
Cracking pressure
bar (psi)
00 No O-Ring, no manual override
00 2 (30)
10 With O-Ring, no manual override
05 5 (73)
01 No O-Ring, with manual override
11 With O-Ring, with manual override
20 SUN cavity interchange, SUN T-11A
Preferred types
