Image Watts FRLs R643-Series Miniature Regulator Markets Food & Beverage / Pharmaceutical, Steel Processing, Transportation Jump to Section Product Options Related Products Product Options Part Number FRL Size R364-02C Miniature R374-02C Miniature R364-02CG Miniature R374-02CG Miniature Related Products Image C11 Watts FRLs Compact Combination Unit Image Watts FRLs Regulator Diaphragm Relieving Kit & Valve Assembly Image Watts Regulator Mounting Bracket with Panel Nut