Harmer Floor & Shower Drains Oct 14-file045956

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Backflow Valves - Product Range Summary Harmer backflow valves are available in single flap options for incorporation in drainage systems from 50mm to 200mm diameter and in double flap options from 110mm to 200mm diameter. Single Flap Backflow Valves Installation of the single flap backflow valve protects the properties up stream of the valve from storm water caused by blockage or flooding of the main storm water drainage system. The internal flap also stop rodents from entering the pipes and is made of stainless steel to avoid potential for rodent ‘gnawing’. Double Flap Backflow Valves Installation of the double flap backflow valve gives double protection to properties up stream of the valve from storm water caused by blockage or flooding of the main storm water drainage system. The double internal flaps stop rodents from entering the pipes and is made of stainless steel to avoid potential for rodent ‘gnawing and in addition gives security in case the upstream flap is kept partially open by waste at the time of flooding. 114 www.harmerdrainage.co.uk
Backflow Valves - Product Tables Single Flap Backflow Valve 110 c d a b e Outlet Size Connections a b c d e Product Code (mm) (mm) (mm) (mm) (mm) (mm) 110 Push-fit socketed (inlet); proprietary coupling (outlet) 110 308 188 188 184 HBF110S Double Flap Backflow Valve 110 c a d b e Outlet Size Connections a b c d e Product Code (mm) (mm) (mm) (mm) (mm) (mm) 110 Push-fit socketed (inlet); proprietary coupling (outlet) 110 395 289 192 209 HBF110D Harmer Technical Helpline +44 (0) 1744 648400 115
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Uniclass L7315 DRAINAGE SYSTEMS CI/
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Contents Introduction ■ Alumasc &
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Quality and Sustainability In addit
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Benefits of Cast Iron, Stainless St
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Harmer Floor Drainage - Overview Ha
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Harmer Shower Drainage - Overview H
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Harmer Floor & Shower Drainage - De
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Harmer Shower Drainage Product Sele
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Harmer Drainage Project Gallery Sta
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Cast Iron Floor Outlets - Benefits
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Cast Iron Floor Outlets - Product R
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Cast Iron Floor Outlets - Drain Bod
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Cast Iron Floor Outlets - Drain Bod
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Cast Iron Floor Outlets - Grate/Bez
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Cast Iron Floor Outlets - Plant Roo
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Cast Iron Floor Outlets - Accessori
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Cast Iron Floor Outlets - Materials
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Cast Iron Floor Outlets - Applicati
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Stainless Steel Floor Outlets - Ben
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Stainless Steel Floor Outlets - Pro
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Page 93 and 94: Aluminium Floor Outlets - Benefits
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Stainless Steel Shower Floor Channe
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Linearis Shower Floor Channels & Ou
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Other Harmer Drainage Products: Har
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Other Harmer Drainage Products: Har
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Other Harmer Drainage Products: The
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DRAINAGE SYSTEMS Technical Support
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Harmer Floor & Shower Drains Oct 14-file045956

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