{"id":49504,"date":"2025-10-10T16:38:37","date_gmt":"2025-10-10T08:38:37","guid":{"rendered":"https:\/\/stark-water.com\/?p=49504"},"modified":"2025-10-10T16:38:39","modified_gmt":"2025-10-10T08:38:39","slug":"ro%e8%86%9c%e3%83%8f%e3%82%a6%e3%82%b8%e3%83%b3%e3%82%b0%e5%9b%b3","status":"publish","type":"post","link":"https:\/\/stark-water.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/ro%e8%86%9c%e3%83%8f%e3%82%a6%e3%82%b8%e3%83%b3%e3%82%b0%e5%9b%b3\/","title":{"rendered":"RO\u819c\u30cf\u30a6\u30b8\u30f3\u30b0\u56f3\uff1a\u914d\u7ba1\u3001\u63a5\u7d9a\u3001\u30a8\u30f3\u30c9\u30ad\u30e3\u30c3\u30d7\u90e8\u54c1 (4040\/8040)"},"content":{"rendered":"

\u3053\u308c\u306f\u00a0RO\u819c\u30cf\u30a6\u30b8\u30f3\u30b0\u56f3<\/strong>\u00a0explains feed\/brine\/permeate ports, common 4040\/8040 sizes, side-port vs. end-port layouts, and the orientation of end-cap parts (permeate tube adapter, interconnector, thrust ring\/ATD, brine seal). Use it to verify piping before start-up and to avoid the classic errors that reduce permeate and raise \u0394P. Always follow your OEM manual for torque, pressure rating and safety.<\/p>\n\n\n\n

\"ro
ro membrane housing diagram3<\/figcaption><\/figure>\n\n\n\n

What the RO\u819c\u30cf\u30a6\u30b8\u30f3\u30b0\u56f3<\/em> shows<\/h2>\n\n\n\n

The diagram labels the three essential connections of an RO pressure vessel (housing): Feed\/Inlet<\/strong>, Brine\/Concentrate<\/strong>\u305d\u3057\u3066 Permeate\/Outlet<\/strong>. It also shows key end-cap components\u2014permeate tube adapter<\/strong>, interconnector<\/strong>, thrust ring\/anti-telescoping device (ATD)<\/strong> \u305d\u3057\u3066 brine seal<\/strong> on the first element.<\/p>\n\n\n\n

tem<\/th>4040 note<\/th>8040 note<\/th><\/tr><\/thead>
Port type<\/td>End-port common; side-port also used<\/td>Side-port very common in multi-element trains<\/td><\/tr>
Typical elements per vessel<\/td>1\u20132<\/td>6\u20137<\/td><\/tr>
Permeate connection<\/td>Small manifold or single outlet<\/td>Header manifold, add check to prevent backflow<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

More photos and field shots: \u9006\u6d78\u900f\u819c\u306e\u8a2d\u7f6e\u56f3<\/a>.<\/p>\n\n\n\n

Piping & connection basics<\/h2>\n\n\n\n

Feed \u2192 Brine path (flow direction)<\/h3>\n\n\n\n

The feed enters the first vessel, travels along the element feed spacers, and leaves as brine\/concentrate. Reversing the path causes abnormal \u0394P, poor permeate and risks \u201ctelescoping\u201d of elements. Confirm flow arrows or port labels on the housing.<\/p>\n\n\n\n

Permeate manifold (header)<\/h3>\n\n\n\n

Permeate from each vessel connects to a header. Design to avoid siphon or backflow during emergency stops\u2014add a check valve<\/strong> and keep the header pitched to the outlet.<\/p>\n\n\n\n

4040 vs 8040 housings<\/h3>\n\n\n\n

4040 vessels are shorter with smaller port sizes; 8040 vessels host 6\u20137 elements and require larger manifolds and supports. Never mix adapters or interconnectors between sizes\u2014leakage or misalignment can occur.<\/p>\n\n\n\n

Side-port vs end-port<\/h3>\n\n\n\n

Side-ports reduce piping congestion in long arrays and ease maintenance; end-ports are compact for small skids. Choose per layout and pressure drop. Always match OEM pressure rating.<\/p>\n\n\n\n

End-cap parts & orientation<\/h2>\n\n\n\n