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Dual Stainless Steel Fitted Bags
The 231 and 237 Series sample bags feature dual stainless steel fi tt ings – an inlet
valve for fl ushing and fi lling and a septum fi tt ing for removing samples.
Guidelines for Bag Sampling
1. Ensure that the bag material and fi tt ings are appropriate for the compounds
to be sampled.
2. Use only PTFE tubing to connect the sample bag to the pump to prevent sample
loss by adsorption on tubing walls.
3. Before using, fl ush the bag thoroughly with purifi ed air or nitrogen.
4. Analyze the sample within 24 to 48 hours. Long-term storage of air-contaminant
mixtures in bags is not recommended.
5. Do not ship sample bags by air unless the cargo cabin is pressurized.
• Maximum Operating Temperature — Do not exceed these specifi cations:
• 231 Series Bags: 225 F (107 C) due to fi tt ing O-ring temperature rating
• 237 Series Bags: 140 F (60 C) due to the SamplePro
temperature rating
• Do not use sample bags to sample compounds with boiling points > 249.8 F (121 C).
• SKC sample bags are designed for sampling air at atmospheric pressure only. Att empting
to pressurize the bag can result in bag rupture and sample loss. Do not ship bag samples
by air freight in a non-pressurized cargo cabin. Bags can burst under such conditions.
• All federal and state packaging and transporting regulations apply.
• SKC bag fi tt ing valves are extremely durable but are not intended for use as handles or
hanging devices. This type of handling may damage the seal, causing leakage. This is
considered to be misuse and will void the SKC warranty.
• Failure to follow warnings and cautions voids any warranty.
• Sample bags are designed for single use only.
231 and 237 Series Sample Bags
Notes and Cautions
Operating Instructions
863 Valley View Road, Eighty Four, PA 15330 USA
Tel: 724-941-9701 • www.skcinc.com
®
FlexFilm bag material
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Summary of Contents for SKC 231 Series
- Page 1 • All federal and state packaging and transporting regulations apply. • SKC bag fi tt ing valves are extremely durable but are not intended for use as handles or hanging devices. This type of handling may damage the seal, causing leakage. This is considered to be misuse and will void the SKC warranty.
- Page 2 Operation Flush the bag at least 3 times with purifi ed air or nitrogen before use. To fi ll the bag, connect PTFE tubing from the exhaust port of an air sample pump to the hose connection on the bag (stem protruding from the top of the inlet fi...
- Page 3 PLUS, and Standard FlexFoil with ® ® fi ttings made of stainless steel, polypropylene, or PTFE in sizes ranging from 0.5 to 100 liters. SKC also manufactures custom sample bags. Contact SKC at 724-941-9701 or skcorder@skcinc.com. For sample bag stability reports, visit http://www.skcinc.com/catalog/pdf/instructions/1805.pdf.
- Page 4 50 feet ..Cat. No. 231-924 SKC Limited Warranty and Return Policy SKC products are subject to the SKC Limited Warranty and Return Policy, which provides SKC’s sole liability and the buyer’s exclusive remedy. To view the com- plete SKC Limited Warranty and Return Policy, go to htt p://www.skcinc.com/ warranty.asp.
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