Stand-Alone Membrane Separators

The Guardian Membrane Series is engineered to provide complete removal of entrained liquids and solids from gas samples assuring sample integrity and protecting downstream analyzers.

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Full Category Download: Sample Conditioning – Analytical Filters (Full Catalog)

PRODUCT FEATURES / BENEFITS
Integral Porting and Mounting Bracket
Up to 70 LPM Flow (2.5 SCFM)
Up to 2200 PSIG Max. Pressure Rating on All SS Units
Hydrophobic Membrane Bonded to O-Ring for Ease of Service
Protect On-Line Analyzers
CNG / LNG Sampling Systems
Sampling Conditioning

Description

The Guardian Membrane Series is engineered to provide complete removal of entrained liquids and solids from gas samples assuring sample integrity and protecting downstream analyzers. Each unit is precision-machined from 316L stainless steel, rated for pressures up to 1,500 PSIG, and optimized for low-flow sampling applications.

 

Key Features:

  • High-Performance Filtration: Hydrophobic membrane effectively blocks all liquids and particulates, allowing only gas or vapor to pass through.

 

  • Compact, Robust Design: Ideal for space-constrained installations while delivering industrial-grade durability.
  • Tool-Free Maintenance: Membrane service is fast and easy—just unthread the cap and remove the plug. No tubing or connections need to be disturbed.
  • Premium Seal: Each unit comes with a bonded Viton O-ring to ensure a reliable, leak-tight seal.

All 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.

 

For flow rates up to 15 LPM, we offer the GMS205 Series. This series maintains the user-friendly design of our GMS105 model, but incorporates a larger membrane. The increased surface area not only supports higher flow rates, but also extends service intervals by reducing membrane loading.

Standard assemblies are precision-machined from 316L stainless steel and come equipped with Viton® seals. Each unit is supplied with a hydrophobic/oleophobic membrane permanently bonded to a Viton® O-ring for reliable sealing and chemical resistance.

 

Material Options for Demanding Applications

 

All Guardian Membrane assemblies are also available in a range of exotic materials to suit challenging environments, including PTFE, Hastelloy® C, Monel® 400, and Titanium. Optional O-ring materials include Kalrez®, EPDM, Buna-N, and PTFE-encapsulated Viton® to meet specific chemical compatibility or temperature requirements.

Quick Comparison

Stand-Alone Membrane Separators removeUltra High Pressure Mid-Size Stainless Steel 6,000 PSIG Housings removeAnalyzer Panel Filter (Model 170) removeOptions for Stainless Steel Housings removeGuardian Spin Clean removeGuardian Membrane Liquid Separator remove
NameStand-Alone Membrane Separators removeUltra High Pressure Mid-Size Stainless Steel 6,000 PSIG Housings removeAnalyzer Panel Filter (Model 170) removeOptions for Stainless Steel Housings removeGuardian Spin Clean removeGuardian Membrane Liquid Separator remove
ImageStand-Alone Membrane SeparatorsUltra High Pressure Mid-Size Stainless Steel 6,000 PSIG HousingsAnalyzer Panel Filter (Model 170)Options for Stainless Steel HousingsGuardian Spin CleanGuardian Membrane Liquid Separator
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Additional information
DescriptionThe Guardian Membrane Series is engineered to provide complete removal of entrained liquids and solids from gas samples assuring sample integrity and protecting downstream analyzers.The 130VP and 140VP Series Filters are engineered for gaseous and liquid process filtration, offering a rugged yet straightforward design that makes them well suited for CNG applications and other high-pressure systems.The 170 Series offers a compact and versatile solution for modern sample conditioning systems. Designed for inverted (upside-down) or horizontal installation, all connections—including inlet, outlet, drain, and bypass—are located in the head, allowing element servicing without breaking any connections.In applications where space is limited and maintenance is critical, our Inverted (IVT) housings provide an ideal solution. All line connections—including inlet, outlet, and drain ports—are in the head of the unit. The Guardian Spin Clean (GSC) is engineered around our proprietary Guardian Membrane Series platform, delivering a highly serviceable, field-friendly solution for particulate removal.The GMSL205 Series is specifically designed to remove water and other high surface tension liquids from liquid hydrocarbon streams.
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