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PROMET EExd Process Moisture Analyzer Sampling Systems
Installation, Operation & Maintenance Manual
and User
Guide
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21
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www.michell.com
6.
TECHNICAL SPECIFICATION
Gas Wetted Materials:
316L stainless steel with Viton soft parts.
Sample Gas:
Hydrocarbon/Natural Gas
Sample Gas Pressure:
Standard – 1 to 69 barg (1000psig)
High pressure – 1 to 138 barg (2000psig)
Sample Gas Flowrate:
Range 0-0.4 m
3
/h (0 to 6.66 L/min).
(0.2 m
3
/h (3.3 L/min) nominal setting)
Bypass Gas Flowrate:
(Natural Gas systems)
Range 0-0.4 m
3
/h (0 to 6.66 L/min).
(0.36 m
3
/h (6 L/min) nominal setting)
Filters:
Membrane – type 5 microporous polymer with liquid block.
Glycol – „Ultra Glysorb‟ proprietary absorbent material.
Particulate – 60 micron stainless steel sinter or 5 micron woven
stainless steel micromesh.
Enclosures:
304/316 stainless steel fitted with wall mounting brackets.
(Ingress protection rated to IP66/NEMA 4)
Enclosure Heating:
Standard – 100W heater with preset 20ºC set point thermostat.
(1 heater for 1 Channel, 2 heaters for 2 Channel)
Optional – Adjustable (0-60 C) set point thermostat.
Sample Gas Connections:
6 mm / ¼ “ OD
Swagelok
twin ferrule tube fittings.
Cable Entries:
Ø 20 mm clearance holes in base of enclosures.
ISO M20 threads or plastic EExe cable glands (9-13 mm cable)
in junction boxes.
Power Supply:
110-120 VAC 60 Hz OR 220-240 VAC 50 Hz
Power Consumption:
300 Watt max. for 1 channel, 500 W max. for 2 channel
Operating Temperature:
-20 to +60 C <95%RH
Weight:
60 Kg max. for 1 channel, 90 Kg max. for 2 channel
Enclosure Cooling:
(Optional)
Compressed air via Vortex tube controlled by adjustable set
point thermostat. Maximum cooling capacity = 410W @ internal
temp of 35 C and external temp of 55 C with maximum air
input temperature of 40 C.
Heat Traced Sample Line:
(Optional)
6mm / ¼ “ OD 316L stainless steel seamless tube and BSX™
self-regulating heating cable (15 Watt/metre) with non-
hygroscopic glass fibre insulation and polymer outer jacket
(supplied by Thermon type Cellex®Tubetrace®)