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  • +49 2324 705-0

Pilot operated non-return valve DN10 PN320

  • Operating pressure: 320bar
  • Nominal size(s): DN10

Features

  • Pilot operated non-return valve controlling liquid media
  • Opening pressure of the preload spring approx. 1bar, other opening pressures on request
  • Valve piston and valve seat are coupled and close hydraulically leak-free
  • Valve fastening structural plate form with a Hauhinco connection diagram
  • Valve parts made of corrosion-resistant stainless steel

Function of pilot operated non-return valve

The valve piston (2) is pressed into the valve seat (3) by the force of the spring (4). The control chamber (5) is connected to the B-channel via the control channels (6) within the valve piston (2). The hydraulic pressure supplied at the B-channel with the valve closed is thus acting on the control surface A1, keeps the valve closed and shuts off the direction of fl ow from the B- to the A-channel. Conversely, the nonreturn valve opens when the hydraulic pressure at the A-channel exceeds the hydraulic pressure at the B-channel and the spring force (4).

The valve blocked via the B port can be opened against the blocking direction. This is done via the control piston (1) which is pressurized via the control port (X). The control pressure (X) acts to surface A2, surface A2 is > as surface A1 and open the non-return valve.

 

 

 

Technical data

measured with HFA medium 97/3%, at 20°C

General

Weightsee Order information
Installation positionany
Ambient temperature-10 to 50°C (hydraulic fl uids, heed standard requirements)
Material Valve parts
Material Seals		Stainless steel
NBR, PTFE, PUR

Hydraulic

Hydraulic pressure connector A, B, X≤ 320 bar
Direction of fl owA->B
Pressure fluid
- Medium - Temperature range
- Medium - Quality
- min. filter fineness connection A, B		Water, HFA
5 to 40°C
see Hauhinco media requirement, water, HFA
Filter fineness 100µm
Pressure fluid
- Medium - Temperature range
- Medium - Quality
- Viscosity		Mineral oil HLP according to DIN51624-2
5 to 50°C
Cleanliness class -/19/16 according to ISO 4406
0,6 bis 100 mm²/s
Use of other pressure fl uids on request.

Versions

DescriptionNominal sizeWeightMax. pressureBasic positionVoltageNoteArticle number
pilot operated non-return DN10DN105,4kg320Control ratio [A1/A2]: 1:56377971
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Hauhinco Maschinenfabrik GmbH & Co. KG
Hölterstraße 51
45549 Sprockhövel
Germany

Phone.: +49 2324 705-0
Fax: +49 2324 705-222 
sales@hauhinco.de

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Hauhinco

With our decades of know-how in water hydraulics, we at Hauhinco have core competences in the mining sector and in a number of industrial applications.

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