Technical data Flowphant T DTT31, DTT35
44 Endress+Hauser
Item no. Process connection versions DTT35 Hygiene standard
PG DIN 11851, DN25, PN40 (including coupling nut),
316L
3-A marked and EHEDG certified (only in
conjunction with self-centering seal
according to EHEDG position paper)
PH DIN 11851, DN40, PN40 (including coupling nut),
316L
PL DIN 11851, DN50, PN40 (including coupling nut),
316L
The VARINLINE® housing connection flange is suitable for welding into the conical or
torispherical head in tanks or vessels with a small diameter (≤ 1.6 m (5.25 ft)) and up to
a wall thickness of 8 mm (0.31 in). The Varivent type F cannot be used for installations
in pipes in combination with the VARINLINE housing connection flange.
11.6.4 Weight
approx. 300 g (10.58 oz), depends on process connection and sensor length
11.6.5 Materials
• Process connection AISI 316L
Surfaces in contact with the process in hygienic version with surface quality Ra ≤
0.76 µm (30 µin)
• Coupling nut AISI 304
• AISI 316L housing, with surface quality R
a
≤ 0.76 µm (30 µin)
O-ring between housing and sensor module: EPDM
• Electrical connection
• M12 connector, exterior AISI 316L, interior polyamide (PA)
• Valve connector, polyamide (PA)
• M12 connector, exterior 316L
• Cable sheath polyurethane (PUR)
• O-ring between electrical connection and housing: FKM
• Display, polycarbonate PC-FR (Lexan®)
Seal between display and housing: SEBS THERMOPLAST K®
Keys, polycarbonate PC-FR (Lexan®)
11.7 Certificates and approvals
11.7.1 CE mark
The product meets the requirements of the harmonized European standards. As such, it
complies with the legal specifications of the EC directives. The manufacturer confirms
successful testing of the product by affixing to it the CE-mark.
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