Tuning Fork; Sensor Type; Weight; Materials - Endress+Hauser Liquiphant FTL31 Manual

Liquiphant FTL31

Weight

Materials

Surface roughness

Endress+Hauser
Pay attention to the temperature and pressure specifications for seals used at the customer site.
Endress+Hauser supplies DIN/EN process connections with threaded connection in stainless
steel in accordance with AISI 316L (DIN/EN material number 1.4404 or 14435). With regard
to their stability-temperature property, the materials 1.4404 and 1.4435 are grouped together
under 13E0 in EN 1092-1, Tab. 18. The chemical composition of the two materials can be
identical.

Sensor type

Compact version with process adapter G ½" and valve plug
for process temperature up to 100 °C (212 °F)
Short tube version with process adapter G ½" and valve plug
for process temperature up to 150 °C (302 °F)
Material specifications in accordance with AISI and DIN EN.
Materials in contact with process
Component part

Tuning fork

Process adapter
Short tube
Seal for weld-in adapter with G ¾", G 1"
Flat seal
Materials not in contact with process
Component part
Housing cover with M12 connector (IP65/67)
Housing cover with valve plug (IP65)
Housing cover with cable (IP66/68)
Cable gland
Design ring
Housing
Nameplate
Metallic surface in contact with process:
Ra ≤3.2 µm (126 µin)
The surface is not defined in the area of the welding seam.
Weight
Approx. 140 g (4.938 oz)
Approx. 169 g (5.961 oz)
Material
316L
316L (1.4404/1.4435)
316L (1.4404/1.4435)
VMQ
FA (composite material based on aramid fibers
combined with NBR)
Material
PPSU
PVDF
PBT/PC
316L (1.4404/1.4435)
Plastic foil (attached to housing)
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