Parker Hannifin, Chemical Transfer, CouplingsParker Hannifin Corporation’s PF Series non-spill thermoplastic chemical transfer couplings are designed to eliminate fluid loss upon disconnection for minimal environmental contamination. These dry-disconnect quick-couplings were built to meet requirements for closed system transfer of chemicals and other fluids. Parker PF Series couplings can be used with concentrated or diluted industrial chemicals, fertilizers, herbicides, insecticides, fungicides, or pesticides when transferring from bulk storage tanks, returnable containers, applicators, etc..  Applications include chemical-dispensing systems, agriculture spray application equipment, intermediate bulk containers (IBCs), pulp and paper, sulfuric acid pH stabilization, industrial chemical transfer, and water systems.