LINED/COATED SIGHT FLOW INDICATORS FLANGED FEP Lined Flanges - Stainless Steel(Up to 150 PSIG) Series S24F Teflon® Inserts - Carbon Steel, Stainless Steel(Up to 150 PSIG) Series S18FL Teflon® Inserts - Carbon Steel, Stainless Steel(Up to 150 PSIG) Series S19F Lined or Coated - Double Window(Up to 1480 PSIG) Series S14F
