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FEP® Gas Sampling Bags

FEP® (fluorinated-ethylene-propylene) is one of the most chemically inert materials available for making gas sampling bags. It works well in extreme temperatures ranging from -400°F to 400°F; allowing it to be used in all stack sampling conditions. FEP® is a heavier gauge (0.005”) film which tolerates applications involving rough handling. FEP® is less expensive than PTA.

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FEP® Film Properties
  • Chemically Inert
  • Minimal Sample Loss
  • No Plasticizers
  • Reusable/Cleanable
  • Leak Tested
  • Non-Contaminating
  • Mechanically Strong

Gas Sampling Bags with Valve Combination

Valve Type PN Vol AMT
Screw Cap Combo UGSF001P-0606S 0.6 L 10
Screw Cap Combo UGSF001P-0707S 1 L 10
Screw Cap Combo UGSF001P-0610S 1.2 L 10
Screw Cap Combo UGSF001P-0909S 2 L 10
Screw Cap Combo UGSF001P-1010S 3 L 10
Screw Cap Combo UGSF001P-1212S 5 L 10
Screw Cap Combo UGSF001P-1215S 7 L 10
Screw Cap Combo UGSF001P-1217S 8 L 10
Screw Cap Combo UGSF001P-1218S 9.5 L 10
Screw Cap Combo UGSF001P-1219S 10 L 10
Screw Cap Combo UGSF001P-1221S 12 L 5
Screw Cap Combo UGSF001P-1818S 16 L 5
Screw Cap Combo UGSF001P-1824S 25 L 5
Screw Cap Combo UGSF001P-2424S 40 L 5
Screw Cap Combo UGSF001P-2430S 56 L 3
Screw Cap Combo UGSF001P-2436S 73 L 3
Screw Cap Combo UGSF001P-3030S 80 L 3
Screw Cap Combo UGSF001P-3036S 100 L 3
Valve Type PN Vol AMT
Locking Combo UGSF001P-0606 0.6 L 10
Locking Combo UGSF001P-0707 1 L 10
Locking Combo UGSF001P-0610 1.2 L 10
Locking Combo UGSF001P-0909 2 L 10
Locking Combo UGSF001P-1010 3 L 10
Locking Combo UGSF001P-1212 5 L 10
Locking Combo UGSF001P-1215 7 L 10
Locking Combo UGSF001P-1217 8 L 10
Locking Combo UGSF001P-1218 9.5 L 10
Locking Combo UGSF001P-1219 10 L 10
Locking Combo UGSF001P-1221 12 L 5
Locking Combo UGSF001P-1818 16 L 5
Locking Combo UGSF001P-1824 25 L 5
Locking Combo UGSF001P-2424 40 L 5
Locking Combo UGSF001P-2430 56 L 3
Locking Combo UGSF001P-2436 73 L 3
Locking Combo UGSF001P-3030 80 L 3
Locking Combo UGSF001P-3036 100 L 3

Gas Bag Fittings

  • On/Off valve function with replaceable septum in a single unit. Side port for tubing connection.
  • Uses fluoropolymer-faced, low-bleed silicone septum.
  • Inexpensive.
  • Lightweight. Easier to carry multiple bags in the field.
  • Made of inert polypropylene. Ensures sample purity.
  • Quick, easy opening and closing of valve, even in harsh conditions with no tools required. Less than one half turn opens/closes valve.
  • Visual confirmation that valve is open or closed prevents accidental sample loss.
  • On/Off valve function with replaceable septum in a single unit.
  • Uses fluoropolymer-faced, low-bleed silicone septum. Allows repeated punctures with syringes without leakage.
  • Inexpensive.
  • Lightweight. Easier to carry multiple bags in the field.
  • Made of inert polypropylene. Ensures sample purity.
  • Push/Pull (On/Off) valve stem. Quick, easy opening and closing of valve (< 1 second). Faster than “twist-action” valves.
  • Quick locking function requires no tools, and visual confirmation prevents accidental sample loss.
  • Stainless steel body with aluminum cap and replaceable fluoropolymer faced septum.
  • Durable: withstands use in austere sampling conditions.
  • Inert: Sample contacts only stainless steel & fluoropolymer.
  • Lower cost than 1/4″ Swagelok type fittings and nickel plated Halkey Roberts fitting.
  • Designed for use with Zero Headspace Extractors.
  • Validated fitting style for EPA TCLP (Toxicity Characteristic Leaching Procedure) method.
  • Design combines on/off valve and septum into a single fitting to lower cost & weight.
  • Stainless steel body with aluminum cap and replaceable fluoropolymer faced septum.
  • Durable: withstands use in austere sampling conditions.
  • Inert: Sample contacts only stainless steel & fluoropolymer.
  • Lower cost than 1/4″ Swagelok type fittings and nickel plated Halkey® Roberts fitting.
  • Stainless steel construction. Durability and ability to withstand use in austere sampling conditions.
  • Allows attachment of tubing or syringe sample extraction by switching caps.
  • Replaceable fluoropolymer-faced septum with large area allows repeated punctures with common lab syringes.
  • Compression ferrule secures tubing onto fitting with superior grip compared to metal fittings.
  • Polypropylene molded construction.
  • Inexpensive compared to metal fittings.
  • Allows attachment of tubing or syringe sample extraction by switching caps.
  • Replaceable fluoropolymer-faced septum with large area allows repeated punctures with common lab syringes.
  • PFA fluoropolymer construction. Sample only comes into contact with high purity, inert fluoropolymer PFA, the ultimate in chemical resistance and non-contaminating material.
  • Allows attachment of tubing or syringe sample extraction by switching caps.
  • Compression ferrule secures tubing onto fitting with superior grip compared to metal fittings.
  • Replaceable fluoropolymer-faced septum with large area allows repeated punctures with common lab syringes.
  • Nickel Plated. Resists damage from most aggressive chemicals.
  • Barbed stem for attaching tubing.
  • Leak resistant seal prevents sample loss in closed position. However, when stem is not closed, sample air passes into ambient air outside valve.