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Safety Screen Filters

Etched Safety Screen Filter, 437 Boss Mount, 304L

This etched last chance filter features a seamless, one-piece screen element formed with pleats to greatly increase contamination carrying capacity. The result is a robust screen design with an optimum amount of protection in a small package. It is offered with several standard hole size options ranging from 75 to 500 microns. This version incorporates a 0.437 of an inch thread for retention.

Key Product Facts
  • Mounting Configuration:Boss Mount
  • Lohm Rate:20 or 25 Lohms
  • Micron Rating:75 to 500 microns
  • Part Diameter:0.437 inches
  • Screenable Passageway Diameter:0.316 inches

Product Information

Materials
PART MATERIAL SPECIFICATION
Threaded Adaptor 304L CRES AMS QQ-S-763 or AMS 5647
Screen 304L CRES ASTM A 666
Base Washer 304L CRES ASTM A 666
Braze Silver Alloy AMS 4774
Finish: All CRES Parts Passivated
Flow Curve
Dimensional View
Installation Hole Details

Part Numbers & Specifications

This table below contains the part numbers and technical specifications for this product. If you have specific questions, need a quote, or would like to request a handbook or drawing, click the red request button in the column on the far right.

Part Numbers & Specifications
PART NUMBER LOHM RATE (nominal) MINIMUM BURST PRESSURE (psid) MINIMUM COLLAPSE PRESSURE (psid) ROB NUMBER NOMINAL SCREEN HOLE SIZE (in) NOMINAL SCREEN HOLE SIZE (μm) SCREEN OPEN AREA (in2) TOTAL SCREEN AREA (in2) NUMBER OF HOLES Request Information
FSBA4370031A 25 400 100 3.7 0.003 75 0.07 0.3 9900 Request
FSBA4370041A 20 400 100 8 0.004 100 0.09 0.3 7500 Request
FSBA4370061A 20 800 275 18 0.006 150 0.1 0.3 3500 Request
FSBA4370081A 20 1000 500 30 0.008 200 0.09 0.3 1800 Request
FSBA4370101A 20 1000 500 53 0.01 250 0.09 0.3 1180 Request
FSBA4370151A 20 800 275 180 0.015 380 0.11 0.3 620 Request
FSBA4370201A 20 800 275 432 0.02 500 0.11 0.3 360 Request
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