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Breeching Inlet Structural Manifolds
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BS 5041: Part 3 Compliant

Dry & Wet Riser Breeching Inlets

Cast Iron Body Copper Alloy Inlets BS 336 Instantaneous 10 bar Working Pressure

Our industrial fire service breeching inlets function as robust external feed terminals allowing emergency layout connections to pump directly into dry or wet riser pipelines. Molded with heavy-duty cast iron bodies and durable copper alloy instantaneous male inlets, these manifolds integrate high-strength spring-loaded non-return valve gates to preserve steady velocity profiles across pipeline networks.

Technical Parameter Profile

Specification Parameter 2-Way Pattern Array 4-Way Pattern Array
Catalog Part Number DRU-2W WRU-4W
Connection Interface Format 2-Way Inlet Assembly 4-Way Inlet Assembly]
Manifold Dimensions (L × W × H) 316 mm × 219 mm × 235 mm 382 mm × 280 mm × 270 mm
Flaged Outlet Size Flange (4") 100 mm Flange Table E Flange (6") 150 mm Flange Table E
Inlet Connection Port Format BS 336 Male Instantaneous Coupling Valve
Structural Body Material Heavy-Duty Cast Iron Shell
Coupling Connection Material Precision Copper Alloy
Finishing Layer Coating Epoxy Signal Red Powder Spray
Nominal Working Pressure 10 bar
Hydrostatic Test Pressure 20 bar Structural Test Limit
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