Hygienic Mix Proof Change Over Valves N3

Zertified according to the "Kieler guideline" (link to certificate).

The valves are tested by the Technical University Weihenstephan in Munich for tightness, cleanability and maintenance. The valves are easy to clean in place and assembly/disassembly can be done without special tools.

Materialin contact with product
optional
not in contact with product
1.4404/AISI316L
1.4435/AISI316L
1.4301/AISI304
   
Gaskets

O-rings/gaskets

EPDM
(others on request)

  
Temperatures
maximum
 EPDM
 continuous operation
steam sterilization
 
 130 °C*
150 °C* short-time
(approx. 20 min)
    
Pressures
closing pressure

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


not in contact with product
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)
 
                                                                                 *dependent upon operating conditions
N3-001, 2-piece body
N3-300, 3-piece body
Version N32
Port configurations as shown
in picture or in 360° possible.
  • one-piece solid valve body
  • 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 3 lift functions
    (open, upper seat lift, lower seat lift)
  • by lifting of both disks easy cleaning
  • service possible without air supply
  • valve seat removable from the top
  • radial sealing of both valve seats
  • only 4 gaskets in the product area
  • maintenance without special tools
  • stainless steel contact with product 316L
  • inner surface Ra ≤ 0,8 µm (standard)
  • also available in 3-A version


Dimensions:

  • DN 25 – DN 200
  • 1" – 8"

Recommended Bürkert control tops for aseptic valves with 24 V DC 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:

24 V 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:

  • 3 solenoid valves for e.g. double seat valves N1, N2, N3, N4, N7, N13


For more details see website Bürkert www.buerkert.com

All Valves are available in special alloys, such as Hastelloy C22, 1.4539/904L, 1.4529, AL6XN and others.

Directly send us your inquiry:
sales@rr-rieger.de
Tel.: +49 7361 5702-0
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