Altef Gas Sampling Bag, 7" x7" 1L, CHROMSPEC, with Locking Combo Valve with Septum, 1 Grommet

ALTEF Gas Sampling Bags

ALTEF is a proprietary fluoropolymer film developed especially for the Gas Sampling market. ALTEF does not exhibit background levels of DMAC or phenol. ALTEF is chemically inert to most acids, aliphatic and aromatic organic compounds, chlorinated solvents, and alcohols. ALTEF has low VOC background and is suitable for most VOC's and many sulfur compounds. Longer sample storage times than most other bag materials.

ALTEF is not recommended for ketones or esters in high concentrations (>30%) and is not suitable for storing H2S.

Maximum operating temperature: 260 ºF

Locking Combo® Valve with Septum

• On/Off valve function with septum in a single unit is economical.
• Lightweight, making it easier to carry in the field and reduces shipping costs.
• Made of inert polypropylene to ensure purity of sample and non-contamination.
• Push/Pull (On/Off) valve stem for quick, easy opening and closing of valve (< 1 second).
• Faster than "twist action" valves.
• Quick locking function, in closed position. Locked position is easy to verify visually, and prevents accidental sample loss during shipment
• Virtually impossible to open or close valve too far
• Valve Stem is 3/16" diameter
• Fluoropolymer faced septum, with Ultra-low bleed silicone, prevents contamination and is located in base flange of valve with bag film below, so septum does not come into contact with sample inside bag.
• Septum allows repeated punctures with syringes without leakage
• Designed, Patented and Manufactured by Jensen Inert Products specifically for gas sampling applications.