CAUTION
ESCAPING GASES OR FLUIDS HAZARD
Process Seal Materials Single Seal Certification (T-XX and T-200 Transducers)
• Wetted material for T-XX style transducers are 316SS or Inconel holders with
Hastelloy-C pins, Stycast 2850 Epoxy, and glass.
• Wetted materials for T-200 Style transducers are Titanium housing and NBR (Nitrile)
or FKM (Viton) O-ring material.
Only Daniel specified o-ring replacements shall be used for process seal o-ring materials
for T-200 transducers. No substitutions are allowed to maintain process seal integrity.
Verify chemical compatibility of material with components of process fluid.
Reference Parker Seals – Chemical Compatibility Catalog EPS 5350
• https://www.parker.com/literature/Engineered%20Polymer%20Systems/
5350_Appendixh.pdf
Failure to select the suitable meter seals may cause escaping gases or liquids, resulting
in injury or equipment damage.
WARNING
CRUSHING HAZARD
During meter installation or removal, always place the unit on a stable platform or
surface that supports its assembled weight.
Failure to comply could allow the meter to roll, resulting in serious injury or equipment
damage.
For basic maintenance, refer to Field hydrostatic pressure testing procedures.
3.2 T-Slot transducer removal and installation
The T-Slot transducer assembly offers improved transducer alignment and superior
acoustic isolation between the transducer and the meter housing. The net result is
improved performance and stability. The assembly is used on Daniel 3417, 3416 and 3415
meters and is line pressure vented. The gas temperature ranges are as shown in Table 3-1.
Table 3-1: Temperature ranges for transducers, mounts and holders
Transducer type Temperature range Mount and holder type
T-21
1
-20 °C to +100°C (-4 °F to 212
°F)
Standard mounts/Holders/NBR
O-ring
Inconel Mounts/316L Holders,
NBR O-ring
Inconel Mounts/Inconel
Holders/FKM O-ring
Inconel Mounts/316L
Holders/FKM O-rings
Meter repairs Maintenance and Troubleshooting manual
August 2021 P/N 3-9000-791
44 Models 3415, 3416 and 3417 GUSM
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