Throttle valves type SDM (500+)

  • Porting NG 4
  • Operating pressure: up to 500 bar
  • Flow rate: up to 25 l/min

Features

  • High-precision control
  • Adjustable while under pressure
  • Bi-directional flow
[Translate to EN:] Drosselventil Typ SDM (500+)

Applications

The throttle valve SDM is a part of the 500+ series. It is a directly and manually operated cartridge valve. Adjustable throttle valves are used for the adjustment of flow rates. The moving speed of a cylinder or motor can be influenced by these valves.

Design

  • Cartridge alone or in manifolds
  • External surface stainless
  • The valve setting can be locked by a counter nut

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) class 17/15/12 ISO/DIN 4406
Weight 0,12 kg (cartridge)
Materials Valve body: high tensile corrosion-free steel
Supporting ring: PTSM