RE 18326-01/09.2019, Bosch Rexroth Oil Control S.p.A.
Directional control valves
manual operated poppet 2-way normally closed
Common cavity, Size 08
RE 18326-01
Edition: 09.2019
Replaces: 01.2010VMI-8A-2A-06-NC OD.55 - X - 18.37- Z
Technical data
General
Weight 0.28kg (0.62lbs)
Installation orientation Optional
Ambient temperature range -30 to 60°C (-22 to 140°F)
Hydraulic
Max. operating pressure 350bar (5000psi)
Max. flow 40 l/min (11 gpm)
Max. internal leakage 20drops/min.
Fluid temperature range -20 to 80°C (-4 to 176°F)
Fluids: Mineral-based or synthetics with lubricating properties at
viscosities of 20 to 380 mm
2
/s (cSt)
Installation torque 39 - 51Nm (29 - 38ft-lbs)
Recommended degree of fluid
contamination Filtration
Nominal value max. 25µm
(NAS 8) ISO 4406 19/17/14
MTTFD 150 years see RE 18350-51
Cavity CA-08A-2N see RE 18325-70
Lines bodies and standard
assemblies
Please refer to section “Hydraulic
integrated circuit” or consult
factory
Seal kit – version 05 code
material no.
RG08A2010520100
R901101437
Seal kit – version 31 code
material no.
RG08A2010530100
R901101544
Other technical data See data sheet 18350-50
Only for cam-operated valves:
Operating stroke 3 mm (0.12 in)
Max. overstroke 0.5 mm (0.02 in)
IMPORTANT: When valve is not operated, flow from 1 to 2 is not
recommended due to high opening pressure. (Version 05)
▼ Version 05 ▼ Version 31
Bosch Rexroth Oil Control S.p.A., RE 18326-01/09.2019
2 VMI-8A-2A-06-NC | Directional control valves manual operated poppet 2-way
Ordering code
Type Material number
OD550518370000 R901109436
OD550518370100 R901109443
OD553118370000 R901109444
OD553118370100 R901109445
Type Material number
Preferred types
Directional control valves
manual operated poppet 2-way
normally closed
Common cavity: CA-08A-2N
OD.55 X 18 37 Z
Hand-operated
00 =
Cam-Operated
01 =
= 05
= 31
RE 18326-01/09.2019, Bosch Rexroth Oil Control S.p.A.
Directional control valves manual operated poppet 2-way | VMI-8A-2A-06-NC 09.2019 3
Characteristic curves
Version 05
Flow Q
Pressure Δp
Pressure Δp
Force
Version 31
Flow Q
Pressure Δp
Pressure Δp
Force
4
Bosch Rexroth Oil Control S.p.A., RE 18326-01/09.2019
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.
VMI-8A-2A-06-NC | Directional control valves manual operated poppet 2-way
Dimensions [mm (inches)]
Dimensions
▼ Version 05: Directional control valves manual operated poppet 2-way normally closed
▼ Version 31: Directional control valves manual operated poppet 2-way double lock normally closed