F601 Valve Cleaner Specifications : Formula 601 Valve Cleaner is a ready-to-use solvent cleaner that is formulated with a proprietary blend of high-grade citrus solvent. Specially developed to break down synthetic lubricants and remove hydrocarbon deposits from all metal surfaces. Cleans valve lubricant from metal surfaces within gate valve cavities. Neutralizes adhesives, and synthetic sealants thereby facilitating clean and easy removal. The incorporation of a solvent derived from natural citrus oil has totally replaced the need for petroleum-based additives; replacing chlorinated solvents harmful to both the environment and health.