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1-1/2 Flexible Sink Drain Pipe, One-Way Drain Valve Drainage Anti-Backflow Design, Prevent Odor, Expandable P-Type Trap, Suitable for Kitchen and Bathroom Sink Drainage, White, PSG0307

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Vents and Drains are required in piping systems to meet the Process, Construction, Testing, and Commissioning requirements. These are basically small tapping connections from the main pipes having a total length limited to 300 mm. These connections are with an isolation valve or without.

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PVC backwater valves prevent sewage backup in drainage systems by blocking backflow with a flapper that is forced into a closed position if sewage starts accumulating. Their stepped construction encourages water flow, and the flapper and cover have an elastomeric gasket to ensure a watertight seal.

【Upgraded Drainage Backflow Preventer Design】This kitchen sink drain pipe has a built-in one-way drain valve to prevent sewage from backflowing, reject odors in public pipes from entering the kitchen, and create a comfortable kitchen environment

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