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NDC Deluge Valve

รายละเอียดสินค้า

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The NDV-1 Deluge Valve features a unique pressure-operated tubular diaphragm configured axially inline with the water flow. The tubular diaphragm is a single-piece resilient and durable rubber part that has been shaped to create a control chamber with the valve body. Inlet water pressure supplied into the chamber pushes the diaphragm against the centrally-located seat, creating an airtight seal that prevents water flow.