Image Series 1 FRLs Regulator Panel Nut Markets Food & Beverage / Pharmaceutical, Steel Processing, Transportation Jump to Section Product Options Related Products Product Options Part Number Material 2962-89 Plastic 4248-89 Plastic 4348-89 Zinc 5191-88 Zinc 5191-89 Plastic Related Products Image Series 1 FRLs Mounting Bracket Image Series 1 FRLs Regulator Diaphragm Relieving Kit Image Series 1 FRLs Regulator Springs Image Series 1 FRLs Tamper Resistant Cover