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2-2 way seat valve DN3 PN320 EX

  • Operating pressure: 320bar
  • Nominal size(s): DN3
  • max. Flow rate: 10l/min
  • Ways: 2/2

Features

  • Directly actuated directional seat valve controlling pressurised media.
  • The valve seat seals hermetically preventing internal leaks.
  • All parts are made of corrosion-resistant materials, and they are easily replaceable.
  • Valve design in a structural plate form.
  • On request, the valve can be equipped with other actuations than the electromagnet, e.g. hydraulic or pneumatic cylinder actuation, manual pushbutton operation.
  • In addition, the individual actuations can be supplemented with a maintained-contact function.

Function of 2/2-way valve

The force (1), generated by the actuation, acts through the lever (2), the tappet (3) on the ball (4) and presses it out of the valve seat (5). This is used to connect lines P and A, see Example. The ring (6) supports the fl ange seal from the inside. The volume fl ow is limited by the entire fl ow resistance.

Depending on the arrangement of the valve seat (5) and ball (4) the valve will have the basic position normally closed (NC) or normally open (NO).

Technical data

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

General

Weight4,5kg
Installation positionany
Ambient temperature-10 bis 50°C (hydraulic fluids, heed standard requirements)
Material Valve parts
Material Seals		Stainless steel, bronze except electromagnet
NBR, PTFE

Hydraulic

max. operating pressure of connector P320bar
max. operating pressure of connector A320bar
max. volume flow P->A10 l/min
specified direction of flowP->A, A->T
Pressure fluid - Medium - Temperature range - Medium - Quality - Cleanliness class, filter fineness - Viscositywater, HFA 5 bis 50°C see Hauhinco requirements on water and HFA media class 20/18/15, filter fineness 25µm 0,6 bis 100 mm²/s
Pressure fluid
- Medium - Temperature range
- Medium - Quality
- Cleanliness class, filter fineness
- Viscosity		mineral oil, HLP
-10 bis 50°C
acc. to DIN 51524
Class 20/18/15, filter fineness 25µm
0,6 bis 100 mm²/s
Use of other pressure fluids on request.
The covers (6) are designed with a viscosity of approx. 1.0 mm²/s; if a medium with a substantially different viscosity is used, the covers must be selected such that the maximum admissible volume fl ow is not exceeded.

Elektric

Voltage24 VDC
Current0,37A
Power consumption8,8 W
Operating time100% ED
Degree of protection acc. to EN60529IP68
Protection against ignition according to EN 50020II 2G Ex d IIB T5
max. switching rate1 Hz

Included in the scope of supply/h3>

Mounting screws of the valveCheese-head screw M6
Connection thread of the valve solenoidM20x1,5

Versions

DescriptionNominal sizeWeightMax. pressureBasic positionVoltageNoteArticle number
2/2 -way valve DN3 PN320DN34,5kg320barNC24VDCsolenoid actuation with Ignition protection6548601
2/2 -way valve DN3 PN320DN34,5kg320barNO24VDCsolenoid actuation with Ignition protection6548644
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Контакты

Hauhinco Maschinenfabrik GmbH & Co. KG
Hölterstraße 51
45549 Sprockhövel
Германия

телефон: +49 2324 705-0
телефакс: +49 2324 705-222 
sales@hauhinco.de

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