Membralox® Filter Assemblies

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Process Gas Filtration
Membralox® Filter Assemblies

BROCHURE

COST

The Membralox^® ceramic filter assemblies are designed for ultra-high purity gas filtration applications, providing removal of particles ≥ 3 nanometer.

Inert alumina medium with a precise pore structure
316L stainless steel housing
Excellent temperature and corrosion resistance
Superior dry down characteristics
Clean room manufactured and packaged
100% helium leak tested

Products in this datasheet may be covered by one or more patents, including EP 442,410; US 5,143,614.

Specifications

Materials of Construction

Filter Medium	High purity, inert alumina oxide
Internal Surface Finish	≤ 0.38 μm / 15 μin R_a
Housing	Electropolished 316L stainless steel Housing material meets or exceeds VIM/VAR specifications. EU pressure equipment directive: Assemblies have been evaluated and designed using SEP per the European Union’s Pressure Equipment Directive 2014/68/EU and are not CE marked.
Internal housing surface chemistry	Cr:Fe (1:1) chromium-enriched
Gaskets	PTFE
Removal Rating	≥ 3 nm
Particle Removal Characteristics	10⁹ particle reduction¹
Connections	1/4 in, 1/2 in or 3/4 in Gasket Seal (VCR² or compatible) 1/4 in buttweld or compression fitting
Leak Rating	100% helium leak tested to 10-9 atm cm³/sec Design validated to 10-11 atm cm³/sec
Design Pressure (Maximum Operating Pressure)	Non-CE marked parts 20.7 MPa @ 50 ºC / 3000 psig @ 122 ºF CE marked parts 13.8 MPa @ 50 ºC / 2000 psig @ 122 ºF
Maximum Allowable Differential Pressure	1.0 MPa @ 50 ºC / 145 psid @ 122 ºF

¹Particle rating based on laboratory testing with NaCl aerosol.
²VCR is a trademark of Swagelok Co..

Performance

Pressure Drop vs. Gas Flow Rate Curves

MLOX 03-30 Micro High Flow Membralox Assembly

MLOX 03-225 Mini High Flow Membralox Assembly

MLOX 05-900 5 in. High Flow Membralox Assembly

MLOX 028-225 Mini High Flow Membralox Assembly

MLOX 03-600 High Flow Membralox Assembly

MLOX 11 in. High Flow Membralox Assembly

Ordering Information

Part Number^*	Fitting Type	Nominal Length (L) (mm/inch)	Nominal Diameter (D) (mm/inch)
MLOX 03-30-1/4BW	¹⁄₄ in. Buttweld	84.1/3.31	20.8/0.82
MLOX 03-30-1/4GS-MM	¹⁄₄ in. Gasket Seal, Male/Male	84.1/3.31	20.8/0.82
MLOX 03-30-1/4CS	¹⁄₄ in. Compression Seal, Male/Male	84.1/3.31	20.8/0.82
MLOX 028-225-1/4GS-MF	¹⁄₄ in. Gasket Seal, Male/Female	71.1/2.80	29.7/1.17
MLOX 03-225-1/4BW	¹⁄₄ in. Buttweld	84.1/3.31	29.7/1.17
MLOX 03-225-1/4GS-MM	¹⁄₄ in. Gasket Seal, Male/Male	84.1/3.31	29.7/1.17
MLOX 03-225-1/2GS-MM	¹⁄₂ in. Gasket Seal, Male/Male	84.1/3.31	29.7/1.17
MLOX 03-600-1/4GS-MM	¹⁄₄ in. Gasket Seal, Male/Male	84.1/3.31	42.4/1.67
MLOX 03-600-1/2GS-MM	¹⁄₂ in. Gasket Seal, Male/Male	84.1/3.31	42.4/1.67
MLOX 05-900-1/4GS-MM	¹⁄₄ in. Gasket Seal, Male/Male	127.0/5.00	42.4/1.67
MLOX 05-900-1/2GS-MM	¹⁄₂ in. Gasket Seal, Male/Male	127.0/5.00	42.4/1.67
MLOX 11-2700-1/2GS-MM	¹⁄₂ in. Gasket Seal, Male/Male	285.1/11.22	42.4/1.67
MLOX 11-2700-3/4GS-MM	³⁄₄ in. Gasket Seal, Male/Male	285.1/11.22	42.4/1.67

^* For CE marked parts, add a "-CE" suffix to the part number (example, MLOX 03-30-1/4BW-CE). Other configurations are available upon request. Please consult Pall Microelectronics.

Unit conversion: 1 bar = 100 kilopascals

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