E51150 pages
Needle Valve
Direct-Acting
Cartridge – 350 bar
DVE 08920 to 16920
Up to 160 l/min
Up to 350 bar
FUNCTION
Control knob
FEATURES
zzFor regulating the speed of loads
zzFor fine adjustment and shut-off of the flow
zzFor system-related damping in hydraulic circuits
zzHigh level of safety provided by patented spindle safety mechanism
zzA set-screw locks the setting
zzChoice of four sizes for optimum adaptability to the system
zzOptional zinc-plated version available
zzOptional version with UNF thread available
Set-screw
Control spindle
Valve body
SPECIFICATIONS
Operating pressure:
Nominal flow:
Media operating temperature range:
DVE 08920t max.t 50 l/min
DVE 10920t max.t 80 l/min
DVE 12920t max.t160 l/min
DVE 16920t max.t160 l/min
-20 °C to +80 °C
Ambient temperature range:
min. -20 °C to max. +80 °C
Operating fluid:
Hydraulic oil to DIN 51524 Part 1 and 2
Viscosity range:
min. 2.8 mm²/s to max. 800 mm²/s
Filtration:
Throttle
opening
max. 350 bar
Class 21/19/16 according to to ISO 4406
or cleaner
150 years (see "Conditions and
instructions for valves" in brochure 5.300)
No orientation restrictions, preferably
horizontal
Valve body:
steel
Seals:
FKM (standard)
NBR (optional, media
temperature range
-30 °C to +80 °C)
Back-up rings: PTFE
08920, 10920, 12920, 16920
DVE 08920 = 0.15 kg
DVE 10920 = 0.25 kg
DVE 12920 = 0.50 kg
DVE 16920 = 0.70 kg
MTTFd:
E 5.115.6/01.13
Installation:
178
The DVE is a flow control valve which
controls the flow rate by adjusting the
cross section. It is available in four
sizes. The flow rate is dependent on the
pressure differential and the viscosity.
Starting with the throttle spindle in the fully
closed position, the flow rate increases
in accordance with the appropriate curve
as the control knob is turned. The flow is
controlled in both directions. The scale and
coloured rings on the top of the control
knob enable accurate repeat setting.
Materials:
Cavity:
Weight: