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Filling Bergs Using negoiWe Prmure <br /> 9 The SKC Vac-U-Chamber is a rigid ai!r sample box whichailows the direct <br /> filling of an air sample bag using negative pressure provided by most <br /> :.' . ti personal air sampling pumps.When using the Vac-U-Chamber,the air <br />- 3. To open the shut-off valve, hold the sarnple enters the bag directly,without passing through the pump.'1'his <br /> side stem and turn the entire upper portion eliminates the risk of rontarninating the pump or sample.The Vac-U- <br /> cftho fitting(including the brawn syringe Chamber has rigid walls which will wt collapse under vacuum condi- <br /> port and lila white section to which it is tIons,thuselimftatfrrgpossibleerrow.All surfa�cesincontactwithsample <br /> are constructed of stainless steel ar Teflnm <br /> attached)counterclockwise one revolution. <br /> Proper Inflation <br /> 9 Avoid Filling anis bag more than 80%of its maximum volume.At the end <br /> i of the samp!ing period,turn the pump off and clase the valve on tate bag. <br /> n <br /> 4.To close the**-off valve,hold the side xy- <br /> �' stem and turn the entire upper portion of -=W.4 <br /> klcattact a <br /> the fitting (including the biuwn syringe 1n€falicrr • .. <br /> part and the white section to which it is <br /> auwhed) clockwise until it is snug. % - "t - <br /> _ �111�.1�(fY, <br /> n 5. To withc 4-w samples by needle and Caution <br /> syringe,carefully insert the needle into the SKC Tedlar bags are designed for sampling Ar at atmospheric <br /> septum port in the center of the brown cap pressure only.Attempting to pressurise the bag will result in bag <br />>- and pierce the septum. rupture and sample lass.Do not ship bag samples by air freight it <br /> non-pressurized cargo cabin.Bags will burst under siukcaaditions. <br /> z ` Caution- Do not allow the needle to TediArbags wenotinter►dedfor storageofhazardous materials.lfyou <br /> puncture the Tedlat film when piercinig the suspect that your sample bags may eaataln hazardous=*dab In <br /> septum. auaccutrations abuvc safe levels defined by NIOSIt OSHA,of DOT, <br /> ow spe,cialfederslandstaEepaelsagiargandlransP°rfaa�gregrrlatlamamaYapp�a <br /> M SKC makes sample bags insizesfrom 1/2 to 100 liter capacity.In addition <br /> a to the single polypropylene fitdrx&SKC bags are available with either <br /> single or dual stainless steel fittings. <br /> 71v <br /> A syringe port is supplied through the top of the fitting for removing the Sample Bag Accessories <br /> J1 sample. A special Teflon lined septum is used and should be replaced R*acement Septurrz,Tel an coated 232-Q1-AS <br /> a#lu each use. The septum is amessible by removing the brown screw Gas flushing kit 231-9.08 <br /> cap- When replacing the septum be sure the Teflon side (shiny side)is Color defector tube adapter kit 231-9-12 <br /> (awards the bag, Vac-U-Chambef 231.939 <br /> Teflon tubing, 114 inch ID 231-937 <br /> For wre product intonation or assistance wish sppllcatkHu.contact <br /> Site Technical Barvlas at OW-752-13472 <br /> y 2 3 <br />