Since 1879
Rieger Ventilprogramm

Single seat valve - aseptic

 

The valve body of the RIEGER aseptic valves is hermetically
sealed from the environment, thus ensuring the perfect
protection for your liquid product.

The pocket-free design of the valve body and the optimum
surface make it an indispensable part of sterile process
engineering in food technology and pharmaceuticals.

Thanks to the modular design the reconstruction of aseptic
into hygienic version, of "air to open" on "air to closed", of
liquid on fibrous and particulate media is no problem.

The dimensions can be adapted to local conditions.

Even under special conditions such as high sterilization
temperatures RIEGER Aseptic valves meet all requirements
regarding reliability and reliable operation.
Material product contact optional not product contact 1.4404/AISI316L
1.4435/AISI316L
1.4301/AISI304
     
Seals PTFE bellows metal bellows O-rings/gaskets PTFE
1.4571/1.4404
EPDM
     
Temperatures maximum EPDM PTFE
  operating temperature

sterilisation temperature
 
130 °C*

150 °C*
 
121 °C*

135 °C* short-time (approx. 20 min)
       
Operating pressure closing pressure

control air pressure
 
max. 6 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)
DIN EN ISO 1127 (DIN 11866-B)

 

  • Right angle type L
  • Double right angle type T
  • Cross type TT
  • Change-over type LL or TL or LT or TT
  • Bottom seat typ B
  • Inclined seat typ Y
  • Straight-way type D
  • Flow control type
 

 

 

Construction of the valve massive valve housing
no dead spaces
completely draining
many possible installation orientations
   
Absolute product protection perfect isolation from the environment
no sump , no dome
   
Serviceability seal replacement without special tools
low downtime
screwed bellows
perfectly cleanable
   
Efficiency long lifetime of PTFE bellows
standard seals
minimal maintenance costs
   
Additional certificates in 3-A-design or with TA-Luft certificate
(the bottom seat valve) possible

 

 

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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