Page 657 - Hydrover-hydraulic-integrated-circuits-catalogue
P. 657
COMPONENTS
Needle restrictor,
free reverse flow
Common cavity, Size 08
RE 18321-10
Edition: 03.2016
STVU-08A 04.01.03 - X - 56.00 Replaces: 11.2009
Technical data
Max. operating pressure 350 bar (5000 psi)
Max. flow 40 l/min. (11 gpm)
Max. internal leakage 1) 15 drops/min. closed
Fluid temperature range -30 to 100 °C (-22 to 212 °F)
Installation torque 34 - 41 Nm (25 - 30 ft-lbs)
Weight 0.16 kg (0.35 lbs)
Cavity CA-08A-2N (see data sheet 18325-70)
Lines bodies and standard Please refer to section “Hydraulic
assemblies integrated circuit” or consult factory
Seal kit 2) Code: RG08A2010520100
Description material no: R901101437
With flow from 2 to 1, the valve provides a fully adjustable Fluids Mineral-based or synthetics with
orifice restriction. Free flow is permitted from 1 to 2, lubricating properties
2
regardless of valve adjustment, by when pressure at viscosities of 5 to 800 mm /s (cSt)
overcomes the spring bias of the valve’s check function. Recommended degree of Nominal value max. 10µm (NAS 8) /
fluid contamination ISO 4406 19/17/14
Installation No restrictions
Other Technical Data See data sheet 18350-50
1) Measured at 200 bar (2900 psi)
2) Only external seals for 10 valves
Characteristic curve
Pressure Δp
2>1 Flow Q
Pressure Δp
1>2 Flow Q
RE 18321-10/03.2016, Bosch Rexroth Oil Control S.p.A.
Gennaio 2025 edition General catalogue 657