Deltabar FMD71, FMD72
Endress+Hauser 55
Materials in contact with
process
NOTICE
‣
Device components in contact with the process are listed in the "Mechanical construction"
→ 30 and "Ordering information" sections.
TSE Certificate of Suitability
The following applies to all device components in contact with the process:
• They do not contain any materials derived from animals.
• No additives or operating materials derived from animals are used in production or processing.
Process connections
• Endress+Hauser supplies DIN/EN flanges and threaded connection in stainless steel as per AISI
316L (DIN/ EN material number 1.4404 or 1.4435). With regard to their stability-temperature
property, the materials 1.4404 and 1.4435 are grouped together under 13E0 in EN 1092-1: 2001
Tab. 18. The chemical composition of the two materials can be identical.
• "Clamp connections" and "Hygienic process connections": AISI 316L (DIN/EN material number
1.4435)
• Some process connections are also available in Alloy C276 (DIN/EN material number 2.4819). For
this purpose see the information in the "Mechanical construction" section.
Process isolating diaphragm
Sensor Description Option
1)
FMD71 Al
2
O
3
aluminum oxide ceramic FDA
2)
, Ceraphire
®
(see also www.endress.com/ceraphire) -
FMD72 AISI 316L (DIN/EN material number 1.4435) A
FMD72 AlloyC (on request) B
1) Product Configurator order code for "Process connection"
2) The US Food & Drug Administration (FDA) has no objections to the use of ceramics made from aluminum
oxide as a surface material in contact with foodstuffs. This declaration is based on supporting documents
from the FDA furnished by our ceramic suppliers.
Filling oil
Description Option
1)
Silicone oil 1
Inert oil (on request) 2
Synthetic oil, FDA 3
1) Product Configurator order code for "Process connection"
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