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Aseptic Shut Off Valves

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 in contact with product
optional
not in contact with product
1.4404/AISI316L
1.4435/AISI316L
1.4301/AISI304
Gaskets PTFE bellows
metal bellows
O-rings/gaskets
PTFE
1.4571/1.4404
EPDM
Temperatures maximum EPDM PTFE
continuous operation

steam sterilization

130 °C*

150 °C*

121 °C*

135 °C* short-time (approx. 20 min)

Pressure closing pressure

air pressure

max. 6 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)
DIN EN ISO 1127 (DIN 11866-B)
                                                                                  *dependent upon operating conditions

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