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Drainage Channels

Material thickness: 1.5 mm or 2.0 mm

Stainless steel grade: V2A (1.4301) or V4A (1.4571)

Available widths: from 100 mm to 1000 mm

Included: mounting feet, concrete anchoring lugs

4 cover types: anti-slip 25x3 mm, plate 25x10 mm, ladder 25x8 mm, anti-slip ladder 25x8 mm

4 edge types: standard, tile-ready, flange, wall flange

Standard: single edge reinforcement with 15x15 mm profile

Optional:

  • double edge reinforcement for extreme loads - 15x15 mm and 20x40 mm profiles
  • flange or perforated flange
  • epoxy resin with quartz sand edge filling
  • channel body primed with epoxy resin and quartz sand

Stainless Steel Drainage Channels

B&K GROUP stainless steel drainage channels for the food industry are engineered for maximum wastewater discharge performance. They deliver reliable operation under heavy-duty conditions where hygiene, durability and resistance to chemical and mechanical stress are critical.

These systems form part of the technical infrastructure in production facilities requiring safe and efficient removal of process water and contaminants from floor surfaces.

Features and Applications – Drainage Channels

Compact stainless steel drainage channels provide high-quality linear drainage in demanding industrial environments. Manufactured entirely from stainless steel, they offer durability, hygiene and corrosion resistance against aggressive cleaning agents.

B&K GROUP stainless steel channel drains are used in food processing, breweries, dairies and other facilities with strict sanitary requirements. They serve as linear floor drains and collection troughs in production and wash-down zones.

Construction and Configuration Options

Channels are available as single straight sections or modular systems joined by flanged gaskets or on-site welded connectors. This allows flexible adaptation to site conditions.

At the lowest point a floor drain (German: Bodenablauf) – single or two-part – ensures effective liquid and solids removal.

B&K GROUP drainage systems offer extensive configuration flexibility. Length is virtually unlimited, standard widths range from 100 mm to 1000 mm. Corners, transitions and custom elements enable tailored linear drainage solutions.

Compatibility and Installation

The BOX-type linear drain is compatible with concrete, resin and industrial tile floors (square and hexagonal). It can be installed in new builds and refurbishments without major infrastructure changes.

Hygiene and Performance

Precision manufacturing and high-grade stainless steel meet strict hygiene standards of the food and pharmaceutical industries. Smooth internal surfaces minimise dirt accumulation and bacterial growth, simplifying cleaning.

The design supports CIP cleaning systems, maintaining high hygiene while reducing operating costs and downtime.

Additional Options and Safety

Channels can be customised in size and technical parameters. Various gratings, covers and anti-slip options increase safety in production areas. Systems are designed with correct falls for efficient drainage even under intensive use.

Frequently asked questions

What is the difference between drainage channels and linear drains?

Drainage channels are the general category of linear drainage systems — including open-grate channels and narrow-slot channels. Linear drains remove water along the entire length of the unit. Grate selection depends on the zone: open grates for high-flow wash areas, slot grates for forklift traffic zones.

What flow rate class (Q l/s) do I need for my hall?

Rough calculation: Q = A × i × ψ, where A — drained area m², i — rainfall intensity (0.015-0.030 l/s/m² indoors), ψ — runoff coefficient (0.9 resin, 1.0 concrete). For a 500 m² hall Q ≈ 7-15 l/s. Increase 2-3× for wet zones with CIP cleaning. Free sizing advice after sending hall layout with wet zones marked.

What falls do you design for drainage channels?

Standard fall 0.5-1.0% towards the outlet. For channels longer than 10 m we recommend 1.0-1.5%. Greater fall = faster drainage, less ponding and sediment. Factory-sloped channels cost more but eliminate installation errors. No fall leads to standing water, bacteria, odour and short service life.

Do your drainage channels comply with DIN/EN 1433?

Yes — all channels are manufactured to EN 1433 (European standard for linear drainage systems). Load classes A15, B125, C250, D400, E600, F900. Material and sheet thickness are selected accordingly. Declaration of conformity available on request — often required for project handover documentation.

What sizes of drainage channels are available?

Standard external widths: 100, 150, 200, 250, 300 mm. Depths: 60-200 mm depending on load class. Segment lengths: 1000, 2000, 3000, 5000 mm — joined with sealed overlaps or site-welded. Non-standard widths (e.g. 400 mm for very high flow) available on request.

Which grates are compatible with your drainage channels?

Full range: slot grates (traffic zones), perforated (flow + aesthetics), orthogonal mesh (classic, most economical), ribbed (highest mechanical strength), bridge (very high flow). All anti-slip R10-R13. Material: V2A standard, V4A for aggressive media. We advise selection according to application zone.

What is a collector drainage channel?

A collector (main) drainage channel collects wastewater from multiple floor drains and linear channels and discharges it jointly to the sewer. Used in large halls with high flow rates; manufactured in V2A/V4A stainless steel.