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Pressure regulating valve type CDK

Screw-in valve

Operating pressure Pmax: 500 bar

Flow Qmax: 22 l / min

More details...

Availability : In stock, usually shipped within one business day


345,40 €

Pressure regulating valves belong to the group of pressure valves. They keep the outlet pressure almost constant even when the inlet pressure has changed and increased.

The CDK type valve can be screwed on and incorporated into control blocks. The necessary accommodation holes are easily assembled. All versions are watertight and free of recovery oil when closed.

Properties and advantages:

■ Watertight and free of recovery oil in the closed state.

Areas of application:

■ Hydraulic systems in general.

■ Devices.

■ Test benches.

Designation: Directly controlled 2-way pressure regulating valve.

Design: Ball seat valve.

Construction: Screw-in valve, valve for in-line connection, plate-mounted valve.

Material: Steel, gas nitrided valve housing, plug nut and connection block galvanized, internal functional components hardened and ground.

Steel balls for bearings.

Mounting position: Indistinct.

Connections: P = inlet (pump or primary side).

Hydraulic fluid: Hydraulic oil according to DIN 51 524 parts 1 - 3; ISO VG 10 to 68 according to DIN 51 519.

Viscosity range: min. AC. 4; max. AC. 1500 mm2 / s.

Optimal service: ca. 10 ... 500 mm2 / s.

Also suitable for biodegradable hydraulic fluids such as HEPG (polyalkylene glycol) and HEES (synthetic ester) at operating temperatures approx. up to + 70ºC.

Cleanliness class ISO 4406: 21/18/15 ... 19/17/13.

Temperatures: Ambient: approx. -40 ... + 80 ° C, Oil: -25 ... + 80 ° C, pay attention to the viscosity range.

Allowable start temperature down to -40 ° C (pay attention to viscosities) when constant end temperature in subsequent service is at least 20K higher.

Biodegradable hydraulic fluids: Observe the manufacturer's data. Not higher than + 70 ° C if the compatibility of the seals is taken into account.

Static overload capacity: Approx 2 x pmax- tightened and sealing nut locked.

Volumetric flow: QP → A max = 12 l / min (CDK 3).

Assembly, operation and maintenance instructions.

Proper use

This technical fluid product has been designed, manufactured and tested in accordance with the standards and regulations in force in the European Union. This product leaves the factory in perfect technical condition as far as safety is concerned.

To guarantee the perfect technical condition and safe operation of the product, the user must respect the indications and warnings specified in this documentation.

This technical fluid product must only be installed in a hydraulic system by a qualified specialist who knows and respects the current rules of the technique, and complies with the respective prescriptions and standards in force.

If necessary, the operating characteristics of the system or the place of use must also be taken into account.

This product is to be used only as a pressure regulating valve in oil-hydraulic systems.

The product must be used within the specified technical parameters. The technical parameters of the various product variants are listed in this documentation.


In the event of non-observance, any right to a warranty claim to HAWE Hydraulik SE is discarded.

Assembly instructions

The product must be integrated into the installation by means of the standardized joining elements that are common on the market (threaded joints, flexible pipes, tubes ...). Take the hydraulic system (especially for systems with hydraulic accumulators) out of service as prescribed before disassembly.

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