Throttle valves SDM

Operating pressure up to 700 bar
Max. flow rate 25 l/Min
Porting NG 4 Bieri standard

Features Advantages
Manifold made of corrosion-free material Bi-directional flow
Cartridge alone or in manifolds Adjustable while under pressure
The valve setting can be locked by a counter nut Very fine adjustment


Technical data

Hydraulic fluid Mineral oil according to DIN 51524 (other fluids on request)
Fluid temperature range -20 to 80 °C
Ambient temperature range -30 to 50 °C
Viscosity range 5 to 420 mm²/s
Porting NG 4
Max. operating pressure port 1 700 bar
Max. operating pressure port 2 700 bar
Pressure loss at 12 l/min (fully open) and 32 mm²/s: 35 bar
at 25 l/min (fully open) and 32 mm²/s: 155 bar
Max. flow rate 25 l/min
Filtration (recommendation) According to NAS 1638 class 6 resp. ISO/DIN 4406 17/15/12
Weight 0,12 kg (cartridge)
Materials Valve body: high tensile corrosion-free steel
Supporting ring: PTSM