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United Filtration Systems Inc

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

Integral Coalescing High Flow Pre-Filter Membranes

Home » Products » Integral Coalescing High Flow Pre-Filter Membranes
Integral Coalescing High Flow Pre-Filter Membranes

The GMS130 Series offers the same features as our GMS120 Series, but with a physically larger membrane and coalescing element. The added surface area of both the membrane and coalescing element will provide much longer service intervals as compared to the GMS120 Series. By having the coalescing element and membrane in one assembly we minimize sample lag time, optimize space (one housing versus two), and reduce potential leak points by having less connections.

Product Bulletin Download
Stainless Steel ModelGMS130-61GMS132GMS137GGMS138G
Port Size (NPT)1/4"1/2"1/4"1/2"
Drain & Sample Port (NPT)1/4"1/4"1/4"1/4"
Maximum Pressure (psig)15001500100100
Internal Volume (cc)
In Sample Chamber - Behind Membrane		2.22.22.22.2
Weight of Housing (lbs)9.09.09.09.0
Principle Dimensions: (inches)
Body Diameter3.383.383.383.38
Overall Length5.735.736.256.25
Space Required to Coalescing Element2.952.953.153.15
Maximum Temp. (300ºF)
Standard Viton O-Ring		GVGMS130GVGMS130GVGMS137GVGMS137
Coalescing Element
PTFE Membrane Code (1)
**Specify: M1 (Low Flow) or M2 (High Flow)		25-64-50C
MT.61.xHG/50C		25-64-50C
MT.61.xHG/50C		25-64-50C
MT.61.xHG/50C		25-64-50C
MT.61.xHG/50C
Drawing
**For More Detail & Options**		GMS130-61GMS132GMS137GGMS138G
Notes: (1) Replace the “x” with the flow required. i.e. MT.61.M1HG/50C, MT.61.M2GH/50C
Pyrex Bowl For Visual Monitoring

Pyrex Bowl For Visual Monitoring

The GMS137G/GMS138G series is a low-pressure version of the GMS130 Series. They share the same size membrane and coalescing element by having a Pyrex glass bowl which allows at a glance monitoring of liquid collection.

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.

Membrane SizeMT.19.M1GMT.19.M2G
Membrane TypeLow FlowHigh Flow
MaterialPTFEPTFE
Diameter (mm)1919
Thickness (μm)152152
Maximum Temperature (ºF)300300
Recommended Flow Rate (LPM)0.256
Membrane Micron Size0.10.8
Membrane SizeMT.33.M1HGMT.33.M2HG
Membrane TypeLow FlowHigh Flow
MaterialPTFEPTFE
Diameter (mm)3333
Thickness (μm)152152
Maximum Temperature (ºF)300300
Recommended Flow Rate (LPM)0.3510
Membrane Micron Size0.10.8
Membrane SizeMT.61.M1HGMT.61.M2HG
Membrane TypeLow FlowHigh Flow
MaterialPTFEPTFE
Diameter (mm)6161
Thickness (μm)152152
Maximum Temperature (ºF)300300
Recommended Flow Rate (LPM)215
Membrane Micron Size0.10.8
Membrane SizeMT.89.M1GMT.89.M2G
Membrane TypeLow FlowHigh Flow
MaterialPTFEPTFE
Diameter (mm)8989
Thickness (μm)152152
Maximum Temperature (ºF)300300
Recommended Flow Rate (LPM)343
Membrane Micron Size0.10.8

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.