BL Series Louvres BL Series Louvres BL Series Louvres Factory Assembled Louvre Panels Amongst our standard product range, we have consistently offered a wide variety of made to measure louvres, to suit our customers needs for a quality product, competitive price and rapid delivery. Index Page BL38 Series, 38mm pitch panels 2-4 BL50 Series, 50mm pitch panels 5-7 BL75 Series, 75mm pitch panels 8-10 BL90 Series, 90mm pitch panels 11-13 BLHP90 High Performance panels 14-16 BL50DB Double Bank panels 17-19 For more details on Bridge Louvre Product range and equipment Tel: 0161 338 5631 Fax: 0161 304 8269 Email: sales@louvre.co.uk BL50IC Directional Discharge panels 20-22 BLRF50 Reverse Flange panels 23-25 BLC50 Series, 50mm pitch panels 26-28 BLGB50 Glazed and Curtain Wall panels 29-31 BL-ADJ75 Moveable Blade Adjustable 32-34
BL 38 Series BL38 Series Aluminium Louvres Aluminium extrusions type 6063-T6 to BS1474 having a minimum thickness of 1.5mm. The small format louvre comprises louvre blades inclined at 45 and mounted at 38mm centres within 40mm deep frame. Galvanised bird screen supplied as standard. Frames can be flanged for surface mounting or recessed to give frameless appearance. The bottom blade is extended over the outer frame to prevent ingress of water and provide drainage from the louvre face. Louvre sizes made to suit customer requirements. BL38 Series Aluminium Louvres Recommended maximum size for a single unit: 750mm wide x 1000mm high. For larger sizes use the BL50 or BL50/100 systems. Nominal free area: 42% Face Velocity (metres per second) 0.5 1.0 1.5 2.0 Pressure drop (Pascals) 2.48 10.08 22.68 40.32 2
BL 38 Series Fixing Supplied as standard with flanges undrilled. Fixing through flange or neck. Options Insect Screen Blanking Panels (single skin plate or insulated blanking panel) Vermin Guard Finish Mill finish as standard (untreated and unpolished aluminium) Polyester Powder coatings to any standard RAL or BS 4800 range colours Special finishes available on request BL38 Series Aluminium Louvres Orders/Enquiries Identify your requirements using our product codes as follows: BL all products, R recessed frame, S- surface mounted/flanged frame, 38/40 all products, P powder coated (confirm colour reference separately where known), M mill finish, IM insect mesh (bird guard is included as standard). Example: BLS38/40P-IM (BL38 series louvre in flanged type frame, polyester powder finish with insect mesh). 3
BL 38 Series BL38 Series Aluminium Louvres 4
BL 50 Series BL50 Series Aluminium Louvres Aluminium extrusions type 6063-T6 to BS1474 having a minimum thickness of 1.6mm. Mitred frame joints TIG welded for additional strength. The louvre comprises louvre blades inclined at 45 and mounted at 50mm pitch within 50mm, 75mm or 100mm deep frame. Galvanised bird screen supplied as standard. Frames can be flanged for surface mounting or recessed to give frameless appearance. The bottom blade is extended over the outer frame to prevent ingress of water and provide drainage from the louvre face. Louvre blades secured by a minimum of four no.8 x 19 screws per blade to provide robust assembly. BL50/75 and BL50/100 systems include extruded aluminium channel mullion to rear to further increase strength. BL50 Series Aluminium Louvres Louvre sizes made to suit customer requirements. Recommended maximum. size for a single unit: 1000 x 2000 for 50mm deep system. Upto 2000 x 2000 for the 75mm and 100mm deep systems. Larger sizes accommodated in multi-panel systems. Nominal free area: 50% Maximum BSRIA weather test rating (simulated rainfall of 75mm/hr, wind speed of 13m/sec): 89.42% Class C. Face Velocity (metres per second) 0.5 1.0 1.5 2.0 Pressure drop (Pascals) 2.48 9.91 22.3 39.65 5
BL 50 Series Fixing Supplied as standard with flanges undrilled. Fixing through flange or neck. Options Insect Screen Blanking Panels (single skin plate or insulated blanking panel) Vermin Guard Removablecore/hinged core Finish Mill finish as standard (untreated and unpolished aluminium) Polyester Powder coatings to any standard RAL or BS 4800 range colours Special finishes available on request BL50 Series Aluminium Louvres Orders/Enquiries Identify your requirements using our product codes as follows: BL all products, R recessed frame, S- surface mounted/flanged frame, 50 blade pitch, 50,75 or 100 frame depth (choose one), P powder coated (confirm colour reference separately where known), M mill finish, IM insect mesh (bird guard is included as standard). Example: BLS50/50P-IM (BL50 series louvre in 50mm flanged frame, polyester powder finish with insect mesh). 6
BL50 Series BL50 Series Aluminium Louvres 7
BL 75 Series BL75 Series Aluminium Louvres Aluminium extrusions type 6063-T6 to BS1474 having a minimum thickness of 1.6mm. Mitred frame joints TIG welded for additional strength. The louvre comprises louvre blades inclined at 45 and mounted at 75mm pitch within 100mm or 140mm deep frame. Galvanised bird screen supplied as standard. Frames can be flanged for surface mounting or recessed to give frameless appearance. The bottom blade is extended over the outer frame to prevent ingress of water and provide drainage from the louvre face. BL75 Series Aluminium Louvres Louvre blades secured by a minimum of four no.8 x 19 screws per blade to provide robust assembly. Louvres over 1000mm wide include extruded aluminium channel mullion to rear to further increase strength. Louvre sizes made to suit customer requirements. Recommended maximum. size for a single unit: Upto 2000 x 2000. Larger sizes accommodated in multi-panel systems. Nominal free area: 51% Maximum BSRIA weather test rating (simulated rainfall of 75mm/hr, wind speed of 13m/sec): 86.4% Class C. Face Velocity (metres per second) 0.5 1.0 1.5 2.0 Pressure drop (Pascals) 0.54 6.16 13.86 24.65 8
BL 75 Series Fixing Supplied as standard with flanges undrilled. Fixing through flange or neck. Options Insect Screen Blanking Panels (single skin plate or insulated blanking panel) Vermin Guard Removable core/hinged core Finish Mill finish as standard (untreated and unpolished aluminium) Polyester Powder coatings to any standard RAL or BS 4800 range colours Special finishes available on request BL75 Series Aluminium Louvres Orders/Enquiries Identify your requirements using our product codes as follows: BL all products, R recessed frame, S- surface mounted/flanged frame, 75 blade pitch, 100 or 140 frame depth, P powder coated (confirm colour reference separately where known), M mill finish, IM insect mesh (bird guard is included as standard). Example: BLS75/140P (BL75 series louvre in 140mm flanged type frame, polyester powder finish). 9
BL 75 Series BL75 Series Aluminium Louvres 10
BL 90 Series BL90 Series Aluminium Louvres Aluminium extrusions type 6063-T6 to BS1474 having a minimum thickness of 1.6mm. Mitred frame joints TIG welded for additional strength. The louvre comprises louvre blades inclined at 45 and mounted at 90mm pitch within 100mm or 140mm deep frame. Galvanised bird screen supplied as standard. Frames can be flanged for surface mounting or recessed to give frameless appearance. The bottom blade is extended over the outer frame to prevent ingress of water and provide drainage from the louvre face. Louvre blades secured by a minimum of four no.8 x 19 screws per blade to provide robust assembly. Louvres over 1000mm wide include extruded aluminium channel mullion to rear to further increase strength. BL90 Series Aluminium Louvres Louvre sizes made to suit customer requirements. Recommended maximum. size for a single unit: Upto 2000 x 2000. Larger sizes accommodated in multi-panel systems. Nominal free area: 55% Face Velocity (metres per second) 0.5 1.0 1.5 2.0 Pressure drop (Pascals) 1.57 6.28 14.13 25.13 11
BL 90 Series Fixing Supplied as standard with flanges undrilled. Fixing through flange or neck. Options Insect Screen Blanking Panels (single skin plate or insulated blanking panel) Vermin Guard Removable core/hinged core Finish Mill finish as standard (untreated and unpolished aluminium) Polyester Powder coatings to any standard RAL or BS 4800 range colours Special finishes available on request BL90 Series Aluminium Louvres Orders/Enquiries Identify your requirements using our product codes as follows: BL all products, R recessed frame, S- surface mounted/flanged frame, 90 blade pitch, 100 or 140 frame depth, P powder coated (confirm colour reference separately where known), M mill finish, IM insect mesh (bird guard is included as standard). Example: BLR90/140M (BL90 series louvre in 140mm recessed type frame, mill finish). 12
BL 90 Series BL90 Series Aluminium Louvres 13
BL HP90 Series BLHP90 Series Aluminium Louvres Aluminium extrusions type 6063-T6 to BS1474 having a minimum thickness of 1.6mm. Mitred frame joints TIG welded for additional strength. The louvre comprises louvre blades inclined at 45 and mounted at 90mm pitch within 100mm or 140mm deep frame. Galvanised bird screen supplied as standard. Frames can be flanged for surface mounting or recessed to give frameless appearance. The bottom blade is extended over the outer frame to prevent ingress of water and provide drainage from the louvre face. The louvre blades incorporate drain channels to increase weather resistance whilst retaining excellent pressure drop and free area figures. Louvre blades secured by a minimum of four no.8 x 19 screws per blade to provide robust assembly. Louvres over 1000 mm wide include extruded aluminium channel mullion to rear to further increase strength. Louvre sizes made to suit customer requirements. Recommended maximum. size for a single unit: Upto 2000 x 2000. Larger sizes accommodated in multi-panel systems. BLHP90 Series Aluminium Louvres Nominal free area: 55% Maximum BSRIA weather test rating (simulated rainfall of 75mm/hr, wind speed of 13m/sec): 96.7% Class B. 99.2% Class A with insect mesh. Face Velocity (metres per second) 0.5 1.0 1.5 2.0 Pressure drop (Pascals) bird mesh 1.14 4.58 10.30 18.31 Pressure drop (Pascals) insect mesh 1.83 7.32 16.47 29.78 14
BL HP90 Series Fixing Supplied as standard with flanges undrilled. Fixing through flange or neck. Options Insect Screen. Blanking Panels (single skin plate or insulated blanking panel) Vermin Guard Removable core/hinged core Finish Mill finish as standard (untreated and unpolished aluminium) Polyester Powder coatings to any standard RAL or BS 4800 range colours Special finishes available on request BLHP90 Series Aluminium Louvres Orders/Enquiries Identify your requirements using our product codes as follows: BL all products, RHP recessed frame, SHP - surface mounted/flanged frame, 90 blade pitch, 100 or 140 frame depth, P powder coated (confirm colour reference separately where known), M mill finish, IM insect mesh (bird guard is included as standard). Example: BLRHP90/140M (BLHP90 series louvre in 140mm recessed type frame, mill finish). 15
BL HP90 Series BLHP90 Series Aluminium Louvres 16
BL 50DB Series BL50DB Double Bank Aluminium Louvres Aluminium extrusions type 6063-T6 to BS1474 having a minimum thickness of 1.6mm. Mitred frame joints TIG welded for additional strength. The louvre comprises double banked louvre blades inclined at 45 and mounted back to back at 50mm pitch within 100mm or 140mm deep frame. Galvanised bird screen supplied as standard. Frames can be flanged for surface mounting or recessed to give frameless appearance. The bottom blade is extended over the outer frame to prevent ingress of water and provide drainage from the louvre face. Louvre blades secured by a minimum of four no.8 x 19 screws per blade to provide robust assembly. Louvres over 1000mm wide include extruded aluminium channel mullion to rear to further increase strength. BL50DB Series Aluminium Louvres Louvre sizes made to suit customer requirements. Recommended maximum. size for a single unit: Upto 2000 x 2000. Larger sizes accommodated in multi-panel systems. Nominal free area: 48% Maximum BSRIA weather test rating (simulated rainfall of 75mm/hr, wind speed of 13m/sec): 96.5% Class B. Face Velocity (metres per second) 0.5 1.0 1.5 2.0 Pressure drop (Pascals) 4.34 17.34 39.02 69.36 17
BL 50DB Series Fixing Supplied as standard with flanges undrilled. Fixing through flange or neck. Options Insect Screen Blanking Panels (single skin plate or insulated blanking panel) Vermin Guard Removable core/hinged core Finish Mill finish as standard (untreated and unpolished aluminium) Polyester Powder coatings to any standard RAL or BS 4800 range colours Special finishes available on request BL50DB Series Aluminium Louvres Orders/Enquiries Identify your requirements using our product codes as follows: BL all products, RDB recessed frame, SDB surface mounted/flanged frame, 50 blade pitch, 100 or 140 frame depth, P powder coated (confirm colour reference separately where known), M mill finish, IM insect mesh (bird guard is included as standard). Example: BLRDB50/140P (BLDB50 series louvre in 140mm recessed type frame, polyester powder finish). 18
BL 50DB Series BL50DB Series Aluminium Louvres 19
BL 50IC Series BL50IC Series Aluminium Louvres (Inverted front louvre blades for direction to prevent short-circuiting) Aluminium extrusions type 6063-T6 to BS1474 having a minimum thickness of 1.6mm. Mitred frame joints TIG welded for additional strength. The louvre comprises double banked louvre blades inclined at 45 at 50mm pitch within 100mm or 140mm deep frame. Galvanised bird screen supplied as standard. Frames can be flanged for surface mounting or recessed to give frameless appearance. The bottom blade is extended over the outer frame to prevent ingress of water and provide drainage from the louvre face. BL50IC Series Aluminium Louvres The front blades are angled vertically to direct airflow upwards. This format can be used for a whole panel, or just part of a panel, with a standard blade profile to the remainder. Louvre blades secured by a minimum of four no.8 x 19 screws per blade to provide robust assembly. Louvres over 1000mm wide include flat bar stiffener to rear to further increase strength. Louvre sizes made to suit customer requirements. Recommended maximum size for a single unit: Upto 2000 x 2000. Larger sizes accommodated in multi-panel systems. Nominal free area: 48% Maximum BSRIA weather test rating (simulated rainfall of 75mm/hr, wind speed of 13m/sec): 99.9% Class A Face Velocity (metres per second) 0.5 1.0 1.5 2.0 Pressure drop (Pascals) 5.50 25.98 58.4 103.93 20
BL 50IC Series Fixing Supplied as standard with flanges undrilled. Fixing through flange or neck. Options Insect Screen Blanking Panels (single skin plate or insulated blanking panel) Vermin Guard Removable core/hinged core Finish Mill finish as standard (untreated and unpolished aluminium) Polyester Powder coatings to any standard RAL or BS 4800 range colours Special finishes available on request BL50 Series Aluminium Louvres Orders/Enquiries Identify your requirements using our product codes as follows: BL all products, R recessed frame, S surface mounted/flanged frame, 50 blade pitch 100 or 140 frame depth, ICF full inverted chevron, ICP part inverted chevron, P powder coated (confirm colour reference separately where known), M mill finish, IM insect mesh (bird guard is included as standard). Example: BLR50/140ICFP (BL50IC series louvre, fully inverted blade, in 140mm receseed type frame, polyester powder finish). 21
BL 50IC Series BL50 Series Aluminium Louvres 22
BL RF50 Series BLRF50 Reverse Flange Aluminium Louvres Aluminium extrusions type 6063-T6 to BS1474 having a minimum thickness of 1.6mm. Mitred frame joints TIG welded for additional strength. The louvre comprises louvre blades inclined at 45 and mounted at 50mm pitch within 50mm, 75mm or 100mm deep frame. Galvanised bird screen supplied as standard. Reverse flange/reverse angle type frame for mounting either on the external face of the structure over the opening, or for installing through the rear of the opening where external access is not practical. The bottom blade is extended over the outer frame to prevent ingress of water and provide drainage from the louvre face. Louvre blades secured by a minimum of four no.8 x 19 screws per blade to provide robust assembly. BLRF50 Series Aluminium Louvres Louvre sizes made to suit customer requirements. Recommended maximum. size for a single unit: 1000 x 2000 for 50mm deep system. Upto 2000 x 2000 for the 75mm and 100mm deep systems. Larger sizes accommodated in multi-panel systems. Nominal free area: 50% Maximum BSRIA weather test rating (simulated rainfall of 75mm/hr, wind speed of 13m/sec): 89.42% Class C. Face Velocity (metres per second) 0.5 1.0 1.5 2.0 Pressure drop (Pascals) 2.48 9.91 22.3 39.65 23
BL RF50 Series Fixing Supplied as standard with flanges undrilled. Fixing through flange. Options Insect Screen Blanking Panels (single skin plate or insulated blanking panel) Vermin Guard Removable core/hinged core Finish Mill finish as standard (untreated and unpolished aluminium) Polyester Powder coatings to any standard RAL or BS 4800 range colours Special finishes available on request BLRF50 Series Aluminium Louvres Orders/Enquiries Identify your requirements using our product codes as follows: BL RF all products, 50 blade pitch, P powder coated (confirm colour reference separately where known), M mill finish, IM insect mesh (bird guard is included as standard). Example: BLRF50P-IM (BLRF50 series louvre in 50mm reverse flanged frame, polyester powder finish with insect mesh). 24
BL RF50 Series WIDE 7 BLRF50 Series Aluminium Louvres 0 25
BLC50 Series BLC50 Series Aluminium Louvres Aluminium extrusions type 6063-T6 to BS1474 having a minimum thickness of 1.6mm. The louvre comprises louvre blades inclined at 45 and mounted at 50mm pitch within 100mm deep fabricated frame. The face flange is rolled from a 50 x 5mm aluminium flat bar and the casing is 3mm thick. Fixing is through the face flange or the casing web. The blades are retained through the rear return flange. Galvanised bird screen supplied as standard. Frames can be flanged for surface mounting or recessed to give frameless appearance. Louvre blades secured by a minimum of four no.8 x 19 screws per blade to provide robust assembly. BLC50 Series Aluminium Louvres Louvre sizes made to suit customer requirements. Recommended minimum size: 300mm diameter. Maximum Size: 2500mm diameter. Nominal free area: 50% Maximum BSRIA weather test rating (simulated rainfall of 75mm/hr, wind speed of 13m/sec): 89.42% Class C Face Velocity (metres per second) 0.5 1.0 1.5 2.0 Pressure drop (Pascals) 2.48 9.91 22.3 39.65 26
27 BLC50 Series Fixing Supplied as standard with flanges undrilled. Fixing through flange or neck. Options Insect Screen Blanking Panels (single skin plate or insulated blanking panel) Vermin Guard Removable core Finish Polyester Powder coated to any standard RAL or BS 4800 range colours Special finishes available on request BLC50 Series Aluminium Louvres Orders/Enquiries Identify your requirements using our product codes as follows: BLC all products, R recessed frame, S- surface mounted/flanged frame, 50 blade pitch, P powder coated (confirm colour reference separately where known), M mill finish, IM insect mesh (bird guard is included as standard). Example: BLCS50P-IM (BLC50 series circular louvre in flanged frame, polyester powder finish with insect mesh).
BLC50 Series BLC50 Series Aluminium Louvres 28
BL GB50 Series BLGB50 Glazing and Curtain Walling Louvre Panels Aluminium extrusions type 6063-T6 to BS1474 having a minimum thickness of 1.6mm. Mitred frame joints TIG welded for additional strength. The louvre comprises louvre blades inclined at 45 and mounted at 50mm pitch within 50mm deep frame. Galvanised bird screen supplied as standard. Frames are provided with a 24mm or 28mm glazing edge to the perimeter for insertion into standard curtain walling or glazing systems. The bottom blade is extended over the outer frame to prevent ingress of water and provide drainage from the louvre face. Louvre blades secured by a minimum of four no.8 x 19 screws per blade to provide robust assembly. BL50/75 and BL50/100 systems include extruded aluminium channel mullion to rear to further increase strength. BLGB50 Series Aluminium Louvres Louvre sizes made to suit customer requirements. Recommended maximum. size for a single unit: 1000 x 2000 for 50mm deep system. Upto 2000 x 2000 for the 75mm and 100mm deep systems. Larger sizes accommodated in multi-panel systems. Nominal free area: 50% Maximum BSRIA weather test rating (simulated rainfall of 75mm/hr, wind speed of 13m/sec): 89.42% Class C. Face Velocity (metres per second) 0.5 1.0 1.5 2.0 Pressure drop (Pascals) 2.48 9.91 22.3 39.65 29
BL GB50 Series Fixing Fixes directly into curtain walling glazing system in place of glass. Options Insect Screen Blanking Panels (single skin plate or insulated blanking panel) Vermin Guard Removable core/hinged core Finish Mill finish as standard (untreated and unpolished aluminium) Polyester Powder coatings to any standard RAL or BS 4800 range colours Special finishes available on request BLGB50 Series Aluminium Louvres Orders/Enquries Identify your requirements using our product codes as follows: BLGB all products, 50 blade pitch, 24 or 28mm glazing, P powder coated (confirm colour reference separately where known), M mill finish, IM insect mesh (bird guard is Included as standard) Example: BLGB50/28P-IM (BLGB50 series louvre in 28mm glazing, polyester powder finish with insect mesh). 30
BL GB50 Series BLGB50 Series Aluminium Louvres 31
BL-ADJ75 Series BL-ADJ75 Series Moveable Blade Adjustable Aluminium Louvres Aluminium extrusions type 6063-T6 to BS1474 having a minimum thickness of 1.6mm. Mitred frame joints TIG welded for additional strength. The louvre comprises louvre blades inclined at 45 and mounted at 75mm pitch within 64mm deep frame. Galvanised bird screen supplied as standard. Frames can be flanged for surface mounting or recessed to give frameless appearance. A 24mm or 28mm glazing in type frame is also available. The bottom blade is extended over the outer frame to prevent ingress of water and provide drainage from the louvre face. The blades are individually pivoted on stainless steel/nylon bearings and ganged to a rear operator. A side seal is provided at the blade ends to prevent water ingress. Opening or closing of the louvres can be manual, or via an electrical or pneumatic actuator which is positioned to the rear of the louvre. Adjustable louvres may be used for a variety of purposes including automatic temperature control, ventilation or smoke release. Louvre sizes made to suit customer requirements. Recommended maximum. size for a single unit: Upto 1000w x 2800h. Larger sizes accommodated in multi-panel systems. Minimum size 300mm x 300mm. BL-ADJ75 Series Moveable Blade Adjustable Aluminium Louvres 32
BL-ADJ75 Series Fixing Supplied as standard with flanges undrilled. Fixing through flange or neck. Options Insect Screen Vermin Guard Lever operated Motorised (Belimo 24v or 240v) Finish Mill finish as standard (untreated and unpolished aluminium) Polyester Powder coatings to any standard RAL or BS 4800 range colours Special finishes available on request Open/Close, Modulating, Spring Return Motor options Orders/Enquries Identify your requirements using our product codes as follows: BL-ADJ75-MT all motorised products - BL-ADJ75-L all lever operated /manual products - R recessed frame S - surface mounted/flanged frame - GB24 24mm glazing edge - GB28 28mm glazing edge - P powder coated (confirm colour reference separately where known) - M mill finish - IM insect mesh (bird guard is included as standard). BL-ADJ75 Series Moveable Blade Adjustable Aluminium Louvres Example BLS-ADJ75-MT-PIM (75mm pitch motorised louvre in flanged frame, complete with insect mesh and polyester powder finish). 33
BL-ADJ75 Series BL-ADJ75 Series Moveable Blade Adjustable Aluminium Louvres 34