Class 800 Stainless Steel Y-Strainer. RS Brand stainless steel screwed end Y-strainers for use when the amount of solids to be removed is small. They can be installed in both horizontal and vertical positions. Available in a variety of sizes. Features:. 1/4" - 3" (DN8 - DN80) W.P: 800WOG (PN50) W.T: -20°C - 200°C (-4°F - 392°F) Investment casting Thread type: ASME B1.20.1 (NPT) DIN2999 ; BS21 ISO 7/1 ; EN10226. Material:. Body, Cap ; Drain Plug - ASTM A351-CF8M Screen - AISI 316 Seal ; Gasket - PTFE