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The Streamline™ In-Line Filter/Strainer

Protect Your Process
The Streamline™ In-Line Filter/Strainer
The Streamline™ In-Line Filter/Strainer


Available in long and short models, Streamline™ filters and strainers provide versatile, cost-effective filtration. Designed for maximum application flexibility, the Streamline housing accepts a wide range of disposable filter and reusable strainer media. They are ideal for use in the dairy, food, beverage, meat and poultry, cosmetics, and pharmaceutical industries.

Working principle

The Streamline™ filters and strainers are designed to promote product quality and sanitation, while protecting processing equipment such as homogenizers, meters, spray nozzles, needle valves, and pumps.

Standard Design

One of the industry’s most enduring product designs, the Streamline™ offers an efficient free-flow design, corrosionresistant 316L stainless steel, sanitary design, and lightweight construction. The Streamline is available in two lengths to provide optimum filtration area for the application. Approved for use in USDA meat and poultry inspected plants, the Streamline™ is furnished with a single screen for straining large particles or with a backup tube and over screen with small perforations for removing finer particles.

Model SMS Strainers or FMS filters feature convenient sideentry and a pullout top (similar to Mainstream® design) for easy servicing without removal from the process line.

Filtration Fine or Medium Strainer Coarse Strainer
Streamline filters can be furnished with any one of five filtering media, down to 40 microns, including polyester, cotton cheesecloth and nylon mesh. Complete with a backup tube and overscreen with small perforations or wire mesh for removing finer particles (73 to 1130 microns). Furnished with a single perforated screen for straining large particles.
Side-Entry StreamlineStandard Streamline
<><>Curve is based on water.*.
Max. flows for LONG and SHORT units shown.
Curve is typical for all filter socks.
Filter Pressure Drop Curves. Streamline Filters Model 1 and 2
Strainer Pressure Drop Curves. Streamline Strainers Model 1 and 2
Curve is based on water.*.
Max. flows for LONG and SHORT units shown.
Curve is typical for all wire meshes and perforations.

* Contact AL for sizing of non-water applications.

Streamline Dimensions (inches)
Connection Size Tri-Clamp® Connections Outer Assembly Diameter (in.) Effective Filter Area (ft.)2
Length (in.) Length (in.) Length (in.) Length (in.)
A B B1 D C
<><>* Note: All strainers using over screens require a backup tube — the recommended type G screen will be furnished as standard backup tube in all Alfa Laval filters and strainers.
** Available only in long units.
Replacement Strainer Selection
Perforated Metal Strainer Single Screens Perforated Metal Over Screens
Screen Part No. Port Connections Gauge Hole Diameter (in.) Holes Per Square Inch Percent of Open Area Screen Part No. Gauge Hole Diameter (in.) Micron Rating Holes Per Square Inch Percent of Open Area
09G*1, 11/2, 2141/4 / .25095844A26.03383823620
21/2, 3121/4 / .25095844B26.050127013226
09E1, 11/2, 2141/8 / .125334044U**26.040101517923
21/2, 3121/8 / .1253340      
Wire Cloth Mesh Over Screens
Screen Part No. Square Mesh Size Space Between Wires (in.) Micron Rating Percent of Open Area
<><>* Estimated
Replacement Filter Media Schedule
Media Micron Rating* Description



Product wetted steel parts:AISI type 316/316L Stainless Steel
Other steel partsAISI type 304 Stainless Steel
Finish32 µ-inch (0.8mm) Ra on product contact surfaces
Product wetted sealsBuna, SFY (fluorelastomer)

Technical data

Pressure range300 PSI at 70°F180 PSI at 210°F
Maximum Differential PressureSingle strainer - 50PSIOverscreen - 25 PSIFilter - 10 PSI
Temperature range250°F max (with fluorelastomer gaskets)


Please state the following when ordering:

  • - Filter of strainer
  • - In-line or side-inlet
  • - Long or short unit
  • - Connection size
  • - Filter or strainer choice
Streamline units with filters or perforated metal strainers are authorized to carry the 3A symbol.



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