Since 1879
Hygiene Ventile von Rieger

Double seat valve N1 - hygienic

 

 
RIEGER hygiene double seat valve N1 provide reliable protection for your product by leak-proof separating not compatible products.

For years, they are invaluable in plants of beverage and brewing industry, the pharmaceutical industry as well as the food and dairy industry.

The design of its one-piece valve body and the radial sealing of both valve seats along with the balanced valve disks enable a perfectly safe CIP/ IP cleaning, thus ensuring extremely high security for your products.




 
 

 

  • one-piece solid valve housing
  • no welding distortion
  • water hammer safe up to 30 bar
  • both valve disks are balanced
  • low control air consumption
  • light: DN 100 = 4" only 35 kg
  • standard actuator with 2 lift functions
  • by lifting of both plates easy cleaning
  • service possible without compressed air
  • valve seat removable from the top
  • radial sealing of both valve seats
  • in the product area only 4 seals
  • seal replacement without special tools
  • contact with product 316L
  • inner surface Ra <= 0,8 µm (standard)
  • also available in 3-A or EHEDG version


     





variants

     
N1.0
seat lift up and down
 
N1.1
without seat lift
flushable
N1.2
seat lift up and down
sterializable



reduced housings

Rieger Doppelsitzventil N1 reduzierte Gehäuse oben groß unten klein   Rieger Doppelsitzventil N1 reduztierte Gehäuse oben klein unten gross
     
Typ 150 = upper big - lower small   Typ 200 = upper small - lower big
     

 

Material product contact optional not product contact 1.4404/AISI316L
1.4435/AISI316L
1.4301/AISI304
     
Seals  O-rings/gaskets EPDM
     
Temperatures maximum   EPDM
  operating temperature

sterilisation temperature
 
  130 °C*

150 °C* short-time (approx. 20 min)
       
Operating pressure closing pressure

control air pressure
 
max. 10 bar
 
min 6 bar -
max. 10 bar
     
Surfaces product contact
optional


not product contact
Ra <= 0,8 µm
e-polished, other surfaces on request
Ra <=1,6 µm
     
Connections Standard- pipe classes DIN 11850-R2 (DIN 11866 A)
O.D.-Tube (DIN 11866 C)
 

 

Recommended Bürkert control tops for aseptic valves with 24 VDC or ASI bus

Contactless position with three switching points (teach-in function) with 3 internal feedback sensors, 1 output for external feedback (external feedback not included)

Two alternatives:
 




© Bürkert
24V DC with 4 digital outputs screw terminals, cable gland:
 
 
AS-Interface with a maximum of 62 slaves flat cable clamp with 1 m cable
   
Remarks:
  • 0 solenoid valve e.g. for single seat valves - pure feedback function
  • 1 solenoid valve for e.g. for single seat valves with actuators NC or NO
  • 2 solenoid valves for e.g. for single seat valves with air/air actuator or double seat valves N5, N9
  • 3 solenoid valves for e.g. double seat valves N1, N2, N3, N4, N7, N13
For more details see website Bürkert www.buerkert.com

 


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Gebr. Rieger GmbH & Co. KG
Kochertalstraße 32
73431 Aalen - Germany

Tel.: +49 (0) 7361 - 5702-0
Fax: +40 (0) 7361 - 5702-51

info@rr-rieger.de
 
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