SPIRAX SARCO 4" FIG34 Y-Strainer Cast Steel SPIRAX SARCOY-Strainers - CI, F, FIG34, FIG36 & CSS SeriesSPRAX PART # - ... 1680866 4" ANSI 150 FIG34 Y-Strainer, Cast Steel, w/ 1/8 Perforated Screen,1-1/2" NPT Drain ... pipeline is never shut off. 4" FIG34 Y-Strainer Cast Steel