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United Filtration Systems

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

Standard Guardian Membrane

Home » Products » Standard Guardian Membrane

Our standard guardian membrane series will completely remove all entrained liquids and solids. Each housing is constructed from 316L stainless steel with pressure ratings up to 1,500 PSIG. The compact design makes them ideal for low flow sampling applications. Servicing the membrane is simple and fast with our no tool required user friendly design. Simply unthread the cap and remove the plug to replace the membrane. No connections need to be broken to replace the membrane. 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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Small Footprint – GMS100

The GMS100 assembly uses a straight through flow path with an inlet port and drain sharing the same plane. The clean sample is on the opposite plane thus increasing efficiency and minimizing flooding. A simple collar holds the two sides (planes) of the assembly together. This user-friendly design still allows the operator to service the housing without breaking any connections. This compact design is ideal for small footprint environments and allows the membrane to be mounted vertically (as pictured) or horizontally.

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.