Since 1879
Hygiene Ventile von Rieger

Double seat tank bottom valve N5 - hygienic

 

DN 25-100
  • with turned-to-body flange or separate weld-in flange
  • also available with only one port
  • one-piece solid valve housing
  • no welding distortion
  • water-hammer safe to 20 bar
  • balanced valve disk
  • low control air consumption
  • standard actuator with lift function
  • service possible without compressed air
  • valve seat removable downwards
  • radial sealing of both valve seats
  • in the product area only 3 seals
  • seal replacement without special tools
  • contact with product 316L
  • Inneinner surface Ra <= 0,8 µm (standard)
  • leakproof up to 4 bar tank pressure and 6 bar pipe pressure

 

 

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. 4 bar in the Tank
max. 10 bar in the Pipe
 
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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