4. Fluid handling
  5. Back flow prevention by vacuum breaking

Ray Sutherland

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Backflow preventer and relief valve assembly

Fluid handling – Line condition change responsive valves – Direct response valves
Patent

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Backflow preventer and relief valve assembly

Fluid handling – Self-proportioning or correlating systems – Supply and exhaust type
Patent

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Backflow preventer and relief valve assembly

Fluid handling – Back flow prevention by vacuum breaking
Patent

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Coupling for liquid meters

Measuring and testing – Volume or rate of flow – Element
Patent

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Dual purpose water meter cover

Measuring and testing – Volume or rate of flow – Element
Patent

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Profile ID: LFUS-PAI-P-789202

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