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BLÜCHER® Roof Drainage Systems

BLÜCHER®  Roof Drainage Systems
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BLÜCHER® Roof Drainage Systems

Product catalog summary
Introduction
BLÜCHER, established in Denmark in 1965, is a prominent manufacturer of stainless steel drainage systems. Known for high-quality products and a global presence, the company employs over 350 staff worldwide. All products are manufactured in Denmark and comply with ISO 9001 standards, ensuring quality and reliability.
Product Overview
BLÜCHER offers a modular drainage system with various combinations suitable for applications such as floor drains, channels, and the EuroPipe system for soil, waste, and rainwater. Products are made from stainless steel grades AISI 304 or 316L, known for fire resistance, strength, and environmental friendliness.
Applications
BLÜCHER drainage systems are utilized in sectors like commercial, housing, industrial, and marine, installed in hospitals, schools, commercial kitchens, and various industries globally.
Roof Drainage Systems
BLÜCHER provides roof drainage systems for flat roofs, downpipes, and roofs with bitumen or single ply membranes. These systems are designed for both gravity and siphonic drainage, offering high flow capacity, ease of installation, and long product life.
Advantages
The stainless steel construction offers corrosion, temperature, and impact resistance. The systems are fire-approved, lightweight, easy to install, with high flow capacities and excellent self-cleansing properties.
Standards and Compliance
BLÜCHER products comply with EN 1253, EN 12056, DS 432, VDI 3806, and TOR recommendations, and adhere to BS8490:2007 standards.
Accessories and Additional Features
BLÜCHER offers emergency drainage systems and thermal insulation options to enhance functionality and safety.
Specifications
The BLÜCHER® Drain Roof features a non-combustible insulation core effective at temperatures below 5°C to minimize condensation. Outlet pipes are available in lengths of 400 or 600 mm, enhancing installation safety and speed. The EuroPipe system is lightweight, offering strength comparable to cast-iron systems and ease of installation similar to plastic systems.
Installation Procedures
Roof drains require a small hole for installation, secured with screws or membrane-specific methods. Vertical and horizontal pipework should be supported with brackets at intervals not exceeding 3 meters, with additional brackets at changes of direction.
Flow Rates and Testing
Flow rates for various pipe dimensions are tested according to EN1253 standards, with specific configurations for siphonic and gravity systems.
Auxiliary Products
Includes balcony drains, vandal-resistant rainwater downpipes, and industrial drains with gratings for high weight loads. Additional products like sealing rings, pipe hangers, and access pipes are available for customization.
Material Properties
Stainless steel contains at least 12% chromium, forming a protective oxide film. Austenitic stainless steel is non-magnetic and has high thermal conductivity, resistant to various chemicals.
Chemical Resistance
The document provides a detailed table of chemical resistance for different materials, indicating suitability for various chemicals.
Rubber Seals
BLÜCHER offers EPDM, NBR, and FPM rubber seals, each with specific resistance properties.
Load Classes
Gratings and access covers are tested according to EN standards, with load classes ranging from K 3 to B 125.
Testing and Standards
BLÜCHER products are CE marked and tested by international institutes, following ISO 9001 standards.
Maintenance
Stainless steel products require minimal maintenance, with cleaning recommended in demanding environments.
Company Overview
BLÜCHER employs over 300 people and generates an annual turnover exceeding 50 million euros. It is a division of Watts Water Technologies Inc., offering dedicated service and expertise globally.
Additional Resources
Installation videos and further information can be accessed at www.blucher.com.
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Catalog excerpts

BLÜCHER®  Roof Drainage Systems-1

Product catalogue for roof drains and pipes

 Open the catalog to page 1
BLÜCHER®  Roof Drainage Systems-2

Safe solutions BLUCHER® stainless steel drainage products are installed in almost any kind of construction project, from multi-storey apartments and food processing factories to hospitals and on board prestigious cruise liners. We have specialised our competencies within four main segments: The BLUCHER® drainage system is a modular system providing numerous possible product combinations. BLUCHER® Drain Floor drains for light- to heavy-duty flow and load applications. BLUCHER® Channel Standard, modular or customised channels and kitchen channels for all flow and load applications. BLUCHER® EuroPipe Push-fit...

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BLÜCHER®  Roof Drainage Systems-3

Selected references around the World Hospitals, schools, commercial kitchens, the food and beverage industry and the pharmaceutical industry are among the customers that benefit from BLÜCHER stainless steel drainage systems. Housing BLÜCHER® stainless steel floor drains and pipe system are used all over the World in Scandinavian-style wet bathrooms in single and multi-storey buildings. Commercial Queen Mary Hospital, Hvidovre hospital, Princess Alexandra Hospital, Blackpool Victoria Hospital, Queen Elizabeth Hospital, St. James Hospital, University College London Hospital, Sportcentrum Fitness...

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BLÜCHER®  Roof Drainage Systems-7

BLUCHER® Drain Roof and BLUCHER® EuroPipe BLUCHER offers a stainless steeL roof drainage system suitable for: • Flat roofs of all designs • Downpipes from roofs of all designs • Roofs with bitumen or single ply roof membrane • Equally suitable for gravity and siphonic systems BLUCHER® roof drainage system comprises strong products which are capable of resisting impacts, corrosion as well as fire and require minimal maintenance. Gravity roof drainage is used in traditional newbuild or refurbishment projects. Siphonic roof drainage creates a flow rate approximately 3 - 5 times higher than in a...

 Open the catalog to page 7
BLÜCHER®  Roof Drainage Systems-8

ROOF DRAINAGE Gravity and siphonic roof drainage systems BLÜCHER® gravity roof drainage Traditional gravity system with drains spread over the roof area and water led from the roof through downpipes to a belowground pipework system BLÜCHER® siphonic roof drainage Siphonic system Siphonic system Siphonic system with fewer drains and a small-diameter horizontal pipework system underneath the ceiling. More water is transported through the pipework due to faster flow and a filled pipework system, reducing if not completely removing below-ground drai

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BLÜCHER®  Roof Drainage Systems-9

Fire-approved Thin-walled pipes Gravity and siphonic roof drainage systems Advantages of BLUCHER® roof drainage AH in stainless steel AISI 304 or AISI 316L Corrosion-resistant, temperature-resistant and impact-resistant Not affected by UV Minimal expansion caused by temperature changes Retains its aesthetically pleasing finish, requiring minimal maintenance Robust construction that resists vandalism 100% recyclable Non-combustible, fire rated A1 Light-weight and easy to handle, makes installation fast and easy and provides better working environment Fewer fixing points required due to the low...

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BLÜCHER®  Roof Drainage Systems-10

ROOF DRAINAGE Flow calculations BLÜCHER offers to carry out flow calculations and suggest design of the roof drainage system for projects with BLÜCHER® Drain Roof and BLÜCHER® EuroPipe. Enquiries can be submitted through www.blucher.com/projects, or call BLÜCHER at tel. +45 99 92 08 00. Installation video for BLÜCHER® Drain Roof is available at www.blucher

 Open the catalog to page 10
BLÜCHER®  Roof Drainage Systems-11

ROOF DRAINAGE BLÜCHER® Drain Roof Siphonic drains and gravity drains BLÜCHER® Drain Roof - siphonic Owing to the siphonic plate of the drain, the pipe is quickly 100% filled, keeping air out of the system and allowing full bore discharge to induce a siphonic action resulting in higher velocities and greater discharge. BLÜCHER® Drain Roof - gravity Traditional gravity drainage system with pipes filled max. 33%. Both types of drains are available for roofs with bitumen or roofs with single ply roof membrane, shown above are drains for roofs with single ply roof membr

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BLÜCHER®  Roof Drainage Systems-12

ROOF DRAINAGE BLÜCHER® Drain Roof for bitumen and single ply roof membrane BLÜCHER® Drain Roof for bitumen BLÜCHER® Drain Roof for single ply roof membrane Single ply roof membrane Roof drains for bitumen are also available with premounted bitumen collar quality PF 5200 SBS as recommended by Danish roofing felt information council TOR In connection with single ply roof membranes it is important that the sealing material of the roof drain matches the material of the membrane to avoid migrating of softeners from PVC to the other material, since this could make the PVC material brittle, resulting...

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BLÜCHER®  Roof Drainage Systems-13

ROOF DRAINAGE BLÜCHER® Drain Roof with perforated upper part For green roofs and similar applications BLÜCHER® Drain Roof with perforated upper part for bitumen BLÜCHER® Drain Roof with perforated upper part for single ply membrane Outdoor drains Stainless steel drains for roof gardens, green roofs and over belowground car parks. The drain is installed in the roof structure, usually comprising concrete deck, membrane, insulation, gravel, sand and stone paving. The outdoor drain consists of an adjustable upper part 200x200 with a perforated pipe OD110 or 160 mm, which can be cut to length. The...

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BLÜCHER®  Roof Drainage Systems-14

ROOF DRAINAGE Where to use BLÜCHER® roof drainage Gravity Ideal for roof areas less than 500 m² on traditional buildings such as flat-roofed houses, garages, office buildings, etc. Private housing Multi-storey car park, shopping mall Nørreport Centeret, Holstebro, Denmark Siphonic The best choice for large roof areas (over 500 m²) such as office buildings, industrial facilities, shopping centres etc. Postal terminal Berger, Norway

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BLÜCHER®  Roof Drainage Systems-15

ROOF DRAINAGE Applicable standards EN 1253 BLÜCHER® Drain Roof has been tested by LGA Würtzburg and complies with the requirements of EN 1253 2. BLÜCHER has its own state-of-the-art laboratory with facilities to design and develop drainage products in accordance with EN 1253. BLÜCHER is committed to offering a thorughly tested roof drainage system that complies with applicable standards and regulations as to performance and installation. EN 12056, DS 432 and VDI 3806 BLÜCHER recommends installation in accordance with DS 432/EN 12056 3 and VDI 3806. This ensures that the BLÜCHER® roof drainage...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.