Customized Siphonic Roof Drainage Outlet

In principle, syphonic drainage is a very simple process. Unlike traditional roof drainage, which is designed to flow part full, a syphonic system operates at full capacity, when water is sucked or syphoned from the roof down into the drain at high velocity. The Fullflow system allows architects, consultants and contractors alike to specify a lower number of roof outlet drains and have them flow into a single downpipe. Whereas a conventional outlet is simply a hole set into the lowest point on the roof, into which the water pours, the syphonic drain incorporates an anti-vortex plate that acts as a baffle, allowing only water to be drawn of the roof. During heavy rainfall the outlet drain fills to above the anti-vortex plate, cutting off air flow into the pipe. This lack of air, coupled with the downward pull of the water creates a vacuum. The drainage pipes then flow at 100% full over the entire system. The priming of a Fullflow syphonic system takes place in four typical stages: Gravity Flow, Plug Flow, Bubble Flow and Full Bore.
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Products Details

DIAMETER(DISC) 270mm
THICKNESS(STEEL SHEET) 1.5mm
DIAMETER(PIPE) 63mm
SURFACE TREATMENT Polishing
COLOUR Natural color
MATERIAL Alloy Aluminum
TECHNOLOGY Aluminum die casting / stamping
Corrosion resistance: High resistance to attack from various types of chemicals. No electrochemical corrosion. Up to 80% fewer downpipes are required, resulting in cost savings in materials and reducing associated groundwork. Also gives architects more freedom with design.Pipe diameters are smaller due to full volume discharge.
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We continue to offer innovative cost-reduction options at the design stage and value-added/value engineered cost savings for  our customer's current products.How do your company control the products' quality? Well, as we all know that the quality comes first during the businesses with our customers that we always persist in “Quality is the life of enterprise”. we are using the first confirmed cases, production inspection, packaging seized the entire combination to control products quality strictly.
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1.Packaging Detail: a.clear bags inner packing, cartons outer packing, then pallet. b.as per customer's demand for hardware stamping parts. 2.Payment: T/T,30% deposits advance; 70% balance before delivery. 3.Shipping : 1.FedEx/DHL/UPS/TNT for samples, Door-to-Door; 2.By Air or by Sea for batch goods, for FCL;Airport/ Port receiving; 3.Customers specifying freight forwarders or negotiable shipping methods! Delivery Time: 3-7 days for samples; 5-25 days for batch goods.All kinds of surface treatment is available. Polishing/ zinc plating / nickel plating/ chrome plating/ powder coating/ phosphate coating 100% test before shipment,as per the customer's drawings, OEMorders are available.
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BOTOU RH DIE CASTING CO., LTD. is alarge-casting-processing-scale joint-stock companyengaged in die casting and processing. 2. Our company is mainly engaged in various types of castings, such as manhole cover, automobile parts, Siphonrain grate, iron die cast and aluminum die castand thedevelopment. 3.Our core contents are the direct marketing of all products and the double safeguard of after-sale service. 4.We look forward to establish cooperation relationship with more international friends to achieve coordinateddevelopment and a win-win situation.
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