Sealing & Shielding

Parker’s industrial refrigeration components deliver precise, validated temperature control, low‑leak systems and traceable components—ensuring pharmaceutical compliance and cold‑chain integrity.

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Polychloroprene Rubber O-Rings

For pharmaceutical production and storage in industrial refrigeration, Parker's Praedifa C0557 polychloroprene (70 Shore A) O‑rings deliver refrigerant‑rated, ozone‑ and oil‑resistant sealing with the elasticity and thermal‑cycle durability required to prevent leaks and contamination, protect product integrity, and maintain stable temperatures. Their balanced hardness and serviceable form reduce downtime and compressor risk, while factory traceability and consistent material performance simplify validation, maintenance and regulatory compliance. View Product