SWM™
Sintered Wire Mesh Filter Elements

The superior stainless steel filter element
for chemical process industries

High Performance SWM™ Filter Elements

SWM™ filters were developed to replace poorly performing sintered porous metal, wedge-wire, string wound and other types of cartridges. In many instances, flow rates may be dramatically improved without compromising filtration efficiency. In other instances, frequency of downtime for element cleaning and replacement may be sharply reduced, resulting in savings which can far outweigh initial retrofit costs.

SWM™ Filter Medium
Construction

SWM™ media comprise five (5) carefully selected layers
for optimum performance

Standard Element Design

Standard SWM™ filters are 2-1/2" OD non-pleated cylinders with one longitudinal weld seam, and welded end-fittings. Elements longer than 36" nominal are constructed in segments with machined joiner rings. SWM™ filters are available in two styles: Gasket-Seal Series and Threaded Connector Series.

Operating Parameters

Given their 100% 316L stainless steel construction, standard SWM™ elements are appropriate to any environment compatible with this excellent alloy. Recommended temperature: up to 600° F for threaded connector elements. Gasket-seal elements are limited by the temperature resistance of the gaskets as follows: Buna-N 300° F, Viton 400° F, Teflon 450° F. Recommended maximum pressure differentials: 100 psid forward flow (outside-to-inside), 50 psid reverse flow.

Standard Element Part Numbers

		Nominal Grade			Configuration Code				Length Code
Form P/N as Follows:	SWM	-		-				-

• All ratings are in microns
• Nominal ratings correspond to 98% removal efficiencies.
• Filter performance varies with filtrate, contaminant, pressure and flow characteristics. All data and information contained herein are as a guideline only. For further information please consult factory.

Superior Features of SWM™ Include:

Quality Construction

Standard SWM™ cartridges are constructed in 100% extra low-carbon stainless steel, including SWM™ filter medium hardware, and welding filler materials, affording absolutely maximum corrosion resistance. End fittings are MKI-designed heavy gauge custom-machined hardware, combining retrofit compatibility, ease of use, and maximum structural strength. Our high-quality welds are 100% leak-tested during assembly to insure structural integrity.

Unique SWM™ Filter Medium

Drawing on decades of experience in the field of sintered metallic filter media, MKI has developed optimized filter medium constructions which are produced by our unique laminating, sintering and HIP diffusion-bonding processes. These processes have been refined to provide maximum physical integrity with no metallurgical degradation or loss of corrosion resistance. SWM™ filter medium is specifically designed for high-performance cylindrical cartridge architecture, and provides optimal surface collection and barrier filtration of particulate contaminant.

Cleanability

SWM™ elements are fully cleanable and reusable, eliminating repeated cartridge replacement and waste cartridge disposal. A variety of cleaning methods may be employed, including chemical processing and high-temperature hydrogen furnace heat treating. MKI can advise cleaning methods, offer reconditioning services, or recommend outside contractors who specialize in the cleaning and testing of stainless steel filter elements.

Wide Performance Range

SWM™ is available in nine standard filtration grades, ranging from 100 down to 2 microns nominal (98% removal rating for liquid filtrates), with total weight removal up to 99.99% under optimal conditions. With availability in standard all-316L stainless steel, or alternate materials for special applications, compatibility with high flow rates, high temperatures, high pressures, precoats, and corrosive environments, SWM™ filters can meet the demands of many filtration applications. For even finer filtration, ask about our unique, state-of-the-art SKMTM composite filters.

SWM™ Typical Applications

• Petrochemical
• Pharmaceutical
• Nuclear
• System Prefilters
  

• Membrane Support
• Steam Filtration
• Catalyst Recovery
• Food and Beverage
• Filter/Demineralizer

SWM™ Filter Media Technical Data

Filtration ratings and air flow characteristics are presented in our product bulletin. Click on the link below to download the PDF version of the bulletin or you may request to have the bulletin mailed to you by emailing your request to .