DLS 10, DLS 20 – Lever Operated Pressure Holding D.C.V.

  • Check Mark Operating Pressure : High Performance Range
  • Check Mark Application : Industrial & Mobile Systems

About this item

The Polyhydron Lever Operated Pressure Holding Directional Control Valves – DLS 10 and DLS 20 are designed for single-acting cylinders that require pressure holding. They ensure smooth decompression before the return of the cylinder ram, enhancing system safety and performance. The valves feature a large return oil passage to minimize pressure drop, allowing the ram to return even under low external forces. Multiple valves can be connected in series for independent operation of multiple single-acting cylinders.

Attribute DLS 10 DLS 20
Max Operating Pressure 350 bar (Ports P, A, B, C, G) 350 bar (Ports P, A, B, C, G)
Max Tank Port Pressure 7 bar 7 bar
Flow Handling Up to 80 L/min Up to 450 L/min (refer to flow/pressure graph)
Mass (Approx.) 7.8 kg to 8 kg 25.2 kg
Viscosity Range 10 to 380 cSt Mineral Oil
Operating Temp -20°C to +70°C -20°C to +70°C
Key Features
  • Pressure Holding: Provides a pressure-holding facility at Port B, ensuring that cylinders maintain their position.
  • Smooth Decompression: Engineered to ensure smooth decompression of the compressed oil before the cylinder ram returns, preventing hydraulic shocks.
  • Rapid Return: Features a large return oil passage to reduce pressure drops, allowing the ram to return quickly even under low external forces.
  • Series Connection: These valves can be connected in series to control multiple independent single-acting cylinders from a single power source.
  • Optional Mounting: Provision for mounting a Pressure Relief Valve (DPR 06) and a Pressure Switch (1PS) directly on the valve, which helps eliminate complex external piping.

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