Product Description
Description:
A gas sampling bag is a special container made for collecting, storing and carrying gas samples for analysis. These are made of chemically stable materials like aluminum foil and other high quality polymers that prevent gas diffusion and contamination.
Method for detecting leaks in sampling bags;
- Water test with inflation: Place the bag into the water and inflate, checking to see if there are any bubbles around the valve.
- Water Test with Valve Closed: Put the bag in water, inflate the bag, close the valve and watch for bubbling at the valve.
- Post-Inflation Bubble Check: First inflate the sampling bag then put it in water and see if there are any bubbles in it.
With these three steps done, you’ll successfully be able to find if the valve is leaking or not.
Our aluminum foil sampling bag is made for more than one use. You should replace the pre installed gas three times with the standard gas or sample. However after being purged with pure air or high purity nitrogen or before a refill with gas, the bag can be reused.
NOTE: To prevent damage from sharp objects and heat, store and use the bag away from open flames and high temperature.
Applications:
The product is chemically stable and can securely contain common industrial gases over long periods of time without a loss in concentration. Collection of a wide range of gases: hydrogen (H2), oxygen (O2), nitrogen (N2), methane (CH4), carbon monoxide (CO), carbon dioxide (CO2), as well as industrial, petrochemical, environmental, and greenhouse gases.
Product specifications:
- Maximum Pressure: At all times this must be monitored that the inflation pressure does not exceed 100kpa.
- Operating Temperature: Recommended temperature range is of -30°C to 80°C.
- Gas Sampling: Collected gases should not be highly corrosive to polyethylene (PE) materials. For such gases we recommend our Tedlar or Teflon film gas sampling bags with Teflon valves or nozzles.
- Film Material: Made of food grade aluminum foil composite film.
- Valve: The multipurpose valve made of PP plastic combines functionality of both straight and metal valves and is a replacement of plastic and metal valves. Our factory PP plastic multifunctional valve with the sample hole is medical grade, so it’s thought to be the best option for aluminum foil sampling bags.
Precautions for switching use:
Close: Turn top cover clockwise until it is fully closed to secure the lateral air openings.
Open: Rotate the top cover counterclockwise approximately one turn, but no more than two turns, to open the lateral air holes for cooling.
Lateral air hole should be connected to a 4×6 mm or 5×7 mm latex or silicone tube.
NOTE: To switch from closed to open you need to rotate the top cap counterclockwise about one turn while inflating or vacuuming. When the small hole on the top cover creates a vacuum, the valve will be closed.
Shipping details:
Fast delivery: Products are processed and shipped within 2-3 days upon confirmation of payment.
Secure packaging: We also ensure that your item is well packaged in such a way that it cannot be broken or harmed in transit.
International buyers: International shipping may incur additional fees or custom duties. Buyers are responsible for these charges.
Return policy:
Satisfaction guaranteed: We stand behind our product. If you feel that a product does not suit your needs, you can return it and the seller will be glad to give you your money back within the period of one month.
Condition for return: The products sold have to be returned as they were when bought and in the same package. In the worst case, buyers have to bear the cost of return shipping.
Processing returns: As soon as we get the returned item, your refund will be handled within 5-10 business days.
Damaged items: If your item arrives damaged please inform us within 48 hours from the delivery time and we shall either replace the item or refund.
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