Large-Diameter Butterfly Valve

A corrosion-resistant butterfly valve in large-diameter sizes up to 12 inches from GF Piping Systems incorporates a double eccentric operating principle designed for improved wear and easier operation over traditional eccentric style butterfly valves.

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A corrosion-resistant butterfly valve in large-diameter sizes up to 12 inches from GF Piping Systems incorporates a double eccentric operating principle designed for improved wear and easier operation over traditional eccentric style butterfly valves. Applications include industrial water treatment and wastewater systems in such industries as chemical, chemical distribution and electroplating plants. Key to the Type 567 valve’s double eccentric disk design is the off-center shaft that allows the disk to completely disengage from the disk seal, even when partially open. This reduces seal friction and improves seal wear characteristics, resulting in longer service life, minimal maintenance and better protection against pressure surges.