Siphonic Outlets

Home 9 Siphonic Outlets

CL75 Primary Siphonic Outlet

The CL75 Primary Outlet is a 75mm multipurpose clamp ring siphonic rainwater outlet. This outlet can be clamped to any range of roof surface or gutter lining and can be easily adapted to become compatible where outlet welding or a mechanical fixing is specified.

Image Code Component Flow rates
CL75-S-BL CL75mm Outlet Bowl 5 – 20L/S
CL75-S-CP CL75mm Clamp Ring
CL75-S-BP Baffle Plate
CL75-S-AS Assembled Unit

CL75 primary outlet – exploded view

CL75 Secondary Siphonic Outlet

The CL75 Secondary Outlet is a 75mm multi-purpose outlet bowl coupled with the 50mm secondary upstand clamp ring. This outlet can be clamped to any range of roof surface or gutter lining and can be easily adapted to become compatible where outlet welding or a mechanical fixing is specified. As a secondary, the outlet will operate as a back-up if the water level rises to a depth of 50mm or above.

Image Code Component Flow rates
CL75-S-BL CL75mm Outlet Bowl 5 – 20L/S
CL75-S-CP-SEC CL75mm Secondary Upstand Clamp Plate
CL75-S-BP Baffle Plate
CL75-S-AS Assembled Unit

CL75 Secondary outlet – exploded view

Download our technical data sheet here:

CL90 Primary Siphonic Outlet

The CL90 Outlet is a 90mm multipurpose clamp ring siphonic rainwater outlet. This outlet can be clamped to any range of roof surface or gutter lining and can be easily adapted to become compatible where outlet welding or a mechanical fixing is specified.

Image Code Component Flow rates

CL90-S-BL CL90 Outlet Bowl 5 – 25L/S
CL90-UV-CP CL90 Clamp Plate
CL90-S-BP CL 90 Baffle
CL90-S-AS Assembled Unit

CL90 Primary outlet – exploded view

Download our technical data sheets and interactive 3D product views here:

CL90 Secondary Siphonic Outlet

The CL 90 Secondary Outlet is a 90mm multi-purpose outlet bowl coupled with a 50mm secondary upstand clamp ring. This outlet can be clamped to any range of roof surface or gutter lining and can be easily adapted to become compatible where outlet welding or a mechanical fixing is specified. As a secondary, the outlet will operate as a backup if the water level rises to a depth of 50mm or above.

Image Code Component Flow rates
CL90-S-BL CL90 Outlet Bowl 5 – 25L/S
CL90-UV-SEC CL90 Clamp Plate Upstand Clamping Ring
CL90-S-BP CL 90 Baffle
CL90-S-AS Assembled Unit

CL90 Seconday outlet – exploded view

Download our technical data sheets and interactive 3D product views here:

Maintenance Guard

The Maintenance guard has been developed to assist in the free flow of rainwater into the outlets on buildings experiencing heavy debris build up due to an irregular or intermittent maintenance schedule.

Image Code
SMT-MG-305 SMT-MG-305
View our Maintenance Guard page for more details and to download our technical data sheets and interactive 3D product view.

Additional Components

Image Code Component
75mm Flexible   Connections FC-75-OC 75mm Flexible Connections
FC-90-OC 90mm Flexible Connections

50mm – 315mm HDPE Pipes & Fittings

6.0mt Lengths HDPE SDR 26 Pipe
Electrofusion Couplings
HDPE- Bends, Branches , Reducers

Bracketry & Pipe Clips

41×21 & 41×41 unirail slotted channel
M10 Screwed rod
50mm -315mm Pipe clips
M10 nuts, bolts, washers
Assorted bracketry

Replacement Parts

At SMART Rainwater, we are not limited to repairs, maintenance and upgrades to a single type of system and can provide components and services to all recognised manufacturers systems. Where replacement parts are no longer available, we can manufacture suitable replacements, to suit the systems needs and reinstate the system back to its original design performance.

Bespoke products can be made to meet your specific requirements. For more information about replacement parts or bespoke products get in touch with us today.

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