RIEGER Double Seal Valves DD are used for the mix-proof barrier of product and cleaning medium in pipe sections. The leakage chamber is placed between the separating seals. The leakage is discharged via the leakage valves to the outside.
The design of the one-piece, solid and cavity-free valve housing provides optimal CIP/SIP cleaning options. The valves are used in systems of the brewery and beverage industry, in dairies and in the food industry and pharmaceutical industry.
Material | in contact with product optional not in contact with product |
1.4404/AISI316L 1.4435/AISI316L 1.4301/AISI304 |
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Gaskets | O-rings/gaskets | EPDM (others on request) |
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Temperatures |
maximum | EPDM | |
continuous operation
steam sterilization |
130 °C*
150 °C* |
||
Pressures | closing pressure
air pressure |
max. 6 bar
min 6 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 |
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Connections Standard- pipe classes |
DIN 11850-R2 (DIN 11866 A) O.D.-Tube (DIN 11866 C) |
Construction of the valve |
one-piece solid valve body
no dead space safe CIP/SIP cleaning
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Absolute product safety |
radial sealing of valve disks safe separation of products leakage is safely drained off
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Serviceability |
seal replacement without special tools valve insert completely removable upwards
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Efficiency | standard O-rings
few seals minimal maintenance costs
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This control top has been developed between AWH and Rieger in collaboration with Bürkert. It serves as a custom-fit solution for our in-house hygienic and aseptic process valves to achieve an even more efficient and precise application.
Contact-free inductive valve position measuring (Teach function)
FlowStar is available in the models 24 V DC, AS-I bus, IO-Link (Port Class A) or Ethernet IP.
All models are available as the following alternatives::
Mounting kit integrated in Control Top – no separate mounting kit necessary. Exception for LCV valves, ESV valves.
All versions are available as the following alternatives:
Mounting kit integrated in the control head – no separate mounting kit required. Exception for LCV valves, ESV valves.
All Valves are available in special alloys, such as Hastelloy® C-22, 1.4539/904L, 1.4529, AL-6XN® and others.
Directly send us your inquiry:
sales@rr-rieger.de
Tel.: +49 7361 5702-0