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The Fig 16 and Fig 16L are austenitic stainless steel screwed Y-type strainers. The Fig 16 is 316 and the Fig 16L is 316L. The standard stainless steel screen is 0.8 mm perforations. As options, other perforations and mesh sizes are available as well as monel screens. The strainer cap can be drilled and tapped for blowdown and drain valves if required.