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Richard Miles Ltd is a specialist, founder-led British manufacturer that engineers high-performance sealing solutions for triple offset valve manufacturerss. Operating from the official platform richardmiles.com, the company produces critical components designed to withstand harsh environments, aggressive media, and hazardous materials.

The core activities featured on the business are:

• TOSV Seal Manufacturing: Designing and machining precision Triple Offset Valve (TOSV) seals using a signature five-ply laminate structure (alternating alloy and sealing layers) to achieve torque-seated, friction-free isealing.
• Material Customization: Engineering specialized Graphite Laminated Seals for extreme temperatures up to +450°C, and PTFE Laminated Seals optimized for universal chemical and marine corrosion resistance.
• RiMi Rings™ Production: Supplying standard Triple Offset Valve Seal Blanks to global valve manufacturers and procurement engineers.
• Quality Assurance: Validating every component using Coordinate Measuring Machine (CMM) testing and laser-etching batch traceability directly onto the laminates for strict quality control.