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All wetted sampling system parts shall be a minimum 316 SUS, Viton A, Virgin TFE Kalrez, or EPR gaskets and seals., unless otherwise specified on the Instrument Data Sheets. All fittings shall be 316 SUS Swagelok or Parker CPI unless greater corrosion resistance is required. All tubing shall be 316 SUS (seamless, bright annealed) unless greater corrosion resistance is required.


Sample systems with filter less than 10 microns shall include parallel filters and individual block valves. Filter elements shall be removable without taking the filter body out of the sample line. Self-cleaning filters shall be used if possible. Guard filtration shall be in the 0.5 to 1 micron range. The use of paper filters shall be avoided.

The Supplier shall provide sample vents. They shall be vented to the atmosphere outside and above the analyzer shelter. Supplier shall provide flame arrestors. Supplier shall provide the Purchaser with the return pressures of samples.

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