RE 18318-93/03.2016, Bosch Rexroth Oil Control S.p.A.
Technical data
Max. operating pressure 350 bar (5000 psi)
Max. flow 360 l/min (95 gpm)
Max. internal leakage 5 drops/min.
Fluid temperature range -30 to 100 °C (-22 to 212 °F)
Installation torque 128 - 149 Nm (95 - 110 ft-lbs)
Weight 0.38 kg (0.84 lbs)
Cavity CA-20A-2N (see data sheet 18325-70)
Lines bodies and standard
assemblies
Please refer to section “Hydraulic
integrated circuit” or consult factory
Seal kit
1)
Code: RG20A2010520100
material no: R930005602
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 1 rises above the spring bias pressure,
the poppet is lifted and flow allowed from 1 to 2. The valve
is closed (checked) from 2 to 1. Precision machining and
hardening processes allow virtually leak-free performance in
the checked condition.
Check, poppet type
Common cavity, Size 20
RE 18318-93
Edition: 03.2016
Replaces: 10.2014VUCN-20A 04.31.32.00.58 - Z
Characteristic curve
Flow Q
Pressure Δp
2
Bosch Rexroth Oil Control S.p.A., RE 18318-93/03.2016
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.
VUCN-20A | Check, poppet type
Dimensions [mm (inches)]
Type Material number
043132005800000 R901109780
043132005801000 R930053499
043132005803000 R901109781
043132005807000 R901109783
Type Material number
043132005812000 R930000319
Dimensions
Ordering code
04.31.32.00 58 Z 00 *
Series 0/A to L
unchanged performances and dimensions
Check, poppet type
Version and options standard
SPRINGS
Cracking pressure
bar (psi)
00
0.35 (5)
01 1 (15)
58 Common cavity, Size 20
03 3.5 (51)
07 7 (102)
12 12 (174)
Preferred types
