Throttle/throttle-check valves Type SD + SDRV7000 pages
Throttle / throttle check valves
NG 6 up to 700 bar
Features
•tHigh-precision control
•tAdjustable while under pressure
•tFlow in either direction
•tPorting NG 6 to
t DIN 24340
•tCounter nut for flow rate
t limitation
Throttle valves
–tfor inlet and outlet throttling
–tas screw/in cartridge
–tas intermediate plate valve
Controllable throttle valves are used for
the adjustment of certain flow rates.
Type SDRV700
up to 25 l/min
The moving speed of a consumer can be
influenced with the valves.
Throttle check valves
-tas screw/in cartridge
-tas intermediate plate valve
For applications where the flow shall
be throttled in one direction and
be unthrottled in the other direction.
Check valves
-tas screw/in cartridge
-tas intermediate plate valve
Hydraulic fluidt
mineral oil according to DIN 51524
(other fluids on request)
Fluid temperature ranget
NBR: -30 to 80 °C
FPM: -20 to 80 °C
Ambient temperature ranget
-30 to 50 °C
Viscosity range t
5 to 400 mm2/s (optimal: 10–68)
Portingt
NG 6 according to DIN 24340/ ISO 4401 /
Technical data
CETOP RP 121 H
Operating pressure max. connection P, A, Bt 700 bar
Pressure admissible max. connection Tt
350 bar
Flow rate max. t
25 l/min
Filtrationt
according to NAS 1638, class 6 or
ISO/DIN 4406 17/15/12
Weightt
see dimension drawingt
Material / surface treatementt
steel parts: galvanized, black chromated
cartridge: steel corrosion resistant
adjusting knob: cast iron
Bieri Hydraulik AG | Könizstrasse 274 | CH-3097 Liebefeld | Tel. +41 31 970 09 09 | Fax +41 31 970 09 10 | www.bierihydraulics.com