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High Purity Copper Tubing and Fittings |
Purging and Cleaning of Tubing and Fitting Surfaces |
 TUBING K or L - HIGH PURITY
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OXY/MED GAS |
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HIGH PURITY |
(1/4" & larger O.D.) Materials to be domestic hard virgin copper. Purity will be 99.90 with .02% phosphorus. Product will conform to the following specifications:
ASTM B88 (TYPE L or K)
SAE C12200
ASTM B75 FITTINGS MIL-T-24107 |
OXY /MED GAS COPPER
The surfaces (O.D. & I.D.) of all tubing and fittings will be cleaned. After cleaning all components are rinsed to remove any trace of hydrocarbon residue and particulate contamination. All surfaces are to retain a uniform finish. Tubing is purged with nitrogen or an oil free air source.
HIGH PURITY (HP) COPPER
All surface (O.D. & I.D.) of all tube and fittings are to be mechanically/chemically polished to remove tarnish, stains and discoloration. After chemical polishing, all components are to be rinsed in D/I water for final cleaning to remove and trace of hydrocarbon residue and particulate contamination. All surfaces are to retain a uniform finish that resists re-tarnishing. Tubing is to be purged with filtered (.2 micron absolute) nitrogen from a cryogenic source.
High purity copper type ASTM B88, C 12200 hard drawn copper tube and fittings. In compliance with CGA G-4.1, for oxygen service; NFPA 99, medical gas systems; and high purity gas specification. Shipped capped and under nitrogen purge. Sizes: 1/4" thru 6", hard drawn tube and coils, and semi-hard copper.
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