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3/2 Wege-Sitzventil DN3 PN480 ATEX

  • Betriebsdruck: 480bar
  • Nenngröße(n): DN3
  • max. Volumenstrom: 10l/min
  • Wege: 3/2

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 3/2-way valve

The force (1), generated by the actuation, acts through the lever (2), the tappet (3) on the ball(s) (4) and presses it out of the right valve seat (5) and into the left valve seat (5). This is used to connect lines P and A and shut o line T, 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.

The 3/2-way valve is provided with a „negative overlap“. During the changeover process, connections P, A and T are briefl y connected with each other. The changeover occurs so fast that the hydraulic effects are negligible. By design, a 3/2-way valve always requires the connection of a T-connector; only then a proper switching function can be ensured.

Depending on the design of the valve insert a valve with the basic position „AT NO“ (lines A and T are connected) or „PA NO“ (lines P and A are connected) is provided.

 

Technische Daten

gemessen mit HFA-Medium 97/3%, bei 20°C

General

Weight3,9kg
Installation positionany
Ambient temperature-10 to 50°C (Hydraulikmedien Vorgaben beachten)
Material Valve parts
Material Seals		Stainless steel, bronze except electromagnet
NBR, PTFE

Hydraulic

max. operating pressure of connector P480bar
max. operating pressure of connector A480bar
max. operating pressure of connector T50bar
max./min. control pressure of connector Zsiehe Bestellangaben
max. volume flow P->A10 l/min
max. volume flow A->T10 l/min
specified direction of flowP->A, A->T
Pressure fluid
- Medium - Temperature range
- Medium - Quality
- Cleanliness class, filter fineness
- Viscosity		water, 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 flow is not exceeded.

Elektric

Voltage12 VDC, max. 15 VDC
Current0,2 A
Power consumption2,24 W
Operating time100% ED
Degree of protection acc. to EN60529Body IP54, electrical connection IP65
Protection against ignition according to EN 50020I 2G EEX ia II T6; I M2 EEx ia
max. switching rate1 Hz

Included in the scope of supply

Mounting screws of the valveCheese-head screw M6
Cable socket of the valve solenoidHirschmann cable socket G - series

Ausführungen

BezeichnungNenngrößeMasseMax. DruckGrundstellungSpannungBemerkungArtikelnummer
3/2-way valve DN3 PN480DN33,9kg480barA->T NO12VDCsolenoid actuation6269591
3/2-way valve DN3 PN480DN33,9kg480barP->A NO12VDCsolenoid actuation6269605
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Hauhinco Maschinenfabrik GmbH & Co. KG

Hölterstraße 51
45549 Sprockhövel
Deutschland

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

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