Internal Gas Paths; Gas Path Material - Emerson ROSEMOUNT Analytical NGA 2000 Instruction Manual

NGA 2000 MLT Hardware
TECHNICAL DESCRIPTION

INTERNAL GAS PATHS

1.9 Internal Gas Paths
The materials used for the gas paths may be selcted to suit the intendend application. In marking
such selection the diffusion rates of the individual gas components, their corrosivity, and the
temperature and pressure of the sampled gas must be taken into account.
1.9.1

Gas Path Material

The physical and chemical properties of the sampled gas and the operating conditions (tempera-
ture and pressure) of the analyzer determine the materials which may be used for gas paths and
gas fittings.
Fittings
For standard the analyzers are provided with PVDF fitting, 6/4 mm. The analyzers can to be
delivered with swagelok
Additional fittings to be delivered on request, consult factory.
Tubing
For standard the analyzers are provided with Viton tubing or PVDF tubing (6/4 mm).
Additional tubings (e.g. stainless steel) to be delivered on request, consult factory.
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fittings, stainless steel, 6/4 mm or 1/4" as option.
Instruction Manual
90002929
Emerson Process Management GmbH & Co. OHG
07/2006