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United Filtration Systems

We are a leading worldwide supplier of high efficiency filters for a variety of industries and applications.

High Flow Membranes

Home » Products » High Flow Membranes

For flow rates up to 15 LPM we offer our GMS205 Series. This series uses the same user friendly design as the GMS105 series, but with a larger membrane. The increased surface area provides higher flows and also increases the time between service intervals. Our standard assemblies are machined from 316L stainless steel and supplied with Viton seals. Each assembly is supplied with an Hydrophobic/Oleophobic Membrane bonded to a Viton O-ring. All of our Guardian Membranes are available in exotic materials: PTFE, Hastelloy C, Monel 400, and Titanium. As an option we also offer Kalrez, EPDM, Buna and PTFE Encapsulated Viton O-rings.

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* We also offer a GMS205ST (Straight Through / Fast Loop) version in which the inlet/outlet ports are directly connected and the membrane only filters what the analyzer requires. *

GMS305-High Volume

Our GMS305 series offers an 89 MM membrane for extremely high flow sample systems requiring zero liquid entrainment. It is available with either 1/8” or 1/4” FNPT connections.

The GMS305 is typically protected by a coalescing filter for added security. We recommend our 130 or 137G series based on the pressure needed.

Keep in mind a combination of ports are available within the complete Guardian range, i.e. 1/8” and 1/4” on the same body. We welcome your phone calls to clarify any and all information. Please do not hesitate to call us at 1-586-802-5561.

The porous membranes are produced from pure PTFE; they are extremely inert and have very low absorption levels. There are two standard grades available for use in low to high flow applications. The M1 (0.1 micron) is a low flow type membrane suitable for most liquids and the M2 (0.8 micron) is a high flow type recommended for higher surface tension liquids.

Our Oleophobic membranes designated by the “H” suffix (i.e. MT.33.M2H) have an extra thin layer which repels hydrocarbons and will block both water and hydrocarbons. They exhibit the same flow rate characteristics as our standard membranes.

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The above flow rates are with a 3 PSID across the membrane and are for reference purposes only. The flow may be increased, but we do not recommend exceeding a 5 PSID in order to maintain the integrity of the membrane. The M1 membrane is suitable for separation of most liquids from gases. The M2 membrane is best suited for the separation of water and other high surface tension liquids from gases.