Endress+Hauser iTHERM TrustSens TM371, Operating Instructions Manual

Page: 63 / 106

iTHERM TrustSens TM371, TM372 Technical Data
Hauser 63
Process connection and size
Protection tube diameter
iTHERM QuickNeck for 9 mm
(0.35 in)
1)
6 mm (0.24 in)
2)
9 mm (0.35 in) 12.7 mm (¹⁄₂ in)
2)
Neumo Biocontrol
D25 PN16, D50 PN16, D65 PN16 -  - -
1) In the case of 6 mm (0.24 in) and 12.7 mm (½ in) diameters, the iTHERM QuickNeck is available for all process connection versions.
2) All versions available with iTHERM QuickNeck
Weight 0.2 to 2.5 kg (0.44 to 5.5 lbs) for standard options.
Material The temperatures for continuous operation specified in the following table are only
intended as reference values for use of the various materials in air and without any
significant compressive load. The maximum operating temperatures can be reduced
considerably in cases where abnormal conditions such as high mechanical load occur or in
aggressive media.
Designation Short form
Recommended
max. temperature
for continuous use
in air
Properties
AISI 316L
(corresponds to
1.4404
or 1.4435)
X2CrNiMo17-13-2,
X2CrNiMo18-14-3 650 °C (1 202 °F)
1)
• Austenitic, stainless steel
• High corrosion resistance in general
• Particularly high corrosion resistance in
chlorine-based and acidic, non-oxidizing
atmospheres through the addition of
molybdenum (e.g. phosphoric and
sulfuric acids, acetic and tartaric acids
with a low concentration)
• Increased resistance to intergranular
corrosion and pitting
1.4435+316L, delta
ferrite < 1% or <
0.5% With regard to analytical limits, the specifications of both materials (1.4435 and 316L)
are met simultaneously. In addition, the delta ferrite content of the wetted parts is
limited to <1% - including the welding seams (following Basel Standard II); or <0.5%
1) Can be used to a limited extent up to 800 °C (1472 °F) for low compressive loads and in non-corrosive
media. Contact your Hauser sales team for further information.
Surface roughness
Values for wetted surfaces:
1)
Mechanically polished surface R
a
≤ 0.76 µm (30 µin)
Mechanically polished surface
2)
R
a
≤ 0.38 µm (15 µin)
Mechanically polished surface and electropolished R
a
≤ 0.38 µm (15 µin)+ electropolished
1) Exception: internal welding seams of the tee- and elbow pieces
2) Not compliant with ASME BPE