Incorporating V2.0 Product spec >>> > Series DJ - Drum jet diffusers
Diffusers Drum jets (Premium) Recommended for: Wall, ceiling & duct Supply Overview Exceptional throw Throw completely adjustable Drum jet diffusers offer high levels of adjustability & an exceptionally long throw. They are available in eight standard sizes, or any length with one of two heights. Premium drum jet diffuser, RAL 9010 finish Specifications: Exceptional throw Adjustability Materials: Construction: Extruded aluminium throughout. Brush seals surround drum for smooth adjustment. Frames have punched in corners. Drum bolted into frame. With a large free area when blades are fully open, drum jets are able to handle large volumes of air with minimal noise and pressure drop generation. This makes them perfect for large open plan areas where large throws are required to ventilate the whole area. The rotating drum and individually adjustable deflector blades creates a unit which adjusts in both planes. Enabling targeted throws to be created at specific areas, or wide throw patterns for maximum affected area. Blades held within cassette. Cassette held in drum by design. Fixings: Standard - None. Optional - Countersunk face fixing holes & colour matched screws. Sizes: 8 standard sizes - See table. Longer lengths optional. Finish: Standard - Satin anodised. Optional - Polyester powder coated to any RAL / BS colour. 2 www.h-v-c.com for live UK stock levels
Series DJ-P Sizes Size Nominal (mm) Dimensions (mm) Overall (mm) W H A B W H Depths Mass (kg) 1 261 307 1.5 2 337 383 1.7 170 34 90 220 3 490 536 2 Diffuser = 85mm 4 642 688 c/w OBD = 205mm 2.5 5 540 586 c/w VED = 244mm 5.5 c/w OBD & VED = 292mm 6 667 713 6.5 271 64 108 324 7 794 840 7 8 921 967 7.5 Size 2 DJP D VED FH SAA SIZE (Nominal / overall w x h [mm]) SERIES DAMPER Opposed blade... D FINISH Satin anodised... SAA Powder coat...ral/bs FIXINGS - P42 more info Countersunk face... FH Concealed fixings... CF Goalpost brackets... GB EQUALISING DEFLECTORS Deflectors fitted... VED www.h-v-c.com 3
Diffusers Drum jets (Stock) Recommended for: Wall, ceiling & duct Supply Overview Exceptional throw Throw completely adjustable Drum jet diffusers offer high levels of adjustability & an exceptionally long throw. The stock range is available in eight standard sizes, in RAL 9010 or satin anodised finish. Stock drum jet diffuser, RAL 9010 finish Specifications: Exceptional throw Adjustability Materials: Construction: Extruded aluminium throughout. Brush seals surround drum for smooth adjustment. Frames have punched in corners. Drum bolted into frame. With a large free area when blades are fully open, drum jets are able to handle large volumes of air with minimal noise and pressure drop generation. This makes them perfect for large open plan areas where large throws are required to ventilate the whole area. The rotating drum and individually adjustable deflector blades creates a unit which adjusts in both planes. Enabling targeted throws to be created at specific areas, or wide throw patterns for maximum affected area. Blades held in drum with screws. Fixings: Countersunk face fixing holes & RAL 9010 painted screws. Sizes: 8 standard sizes - See table. Finish: Standard - Satin anodised (AA5). RAL 9010. Please note: Position of fixing holes will vary with size. 4 www.h-v-c.com for live UK stock levels
Series DJ-S Size Nominal (mm) Overall (mm) A 244 W H W H 297 B 321 373 164 C 473 525 D 625 678 E 524 576 F 651 703 259 G 778 830 H 905 957 Sizes Blade pitch Depth Depth c/w OBD Depth c/w OBD & VED 208 76 62 106 194 303 127 100 144 232 Size B DJS D VED SAA SIZE (Nominal / overall w x h [mm]) SERIES DAMPER Opposed blade... D FINISH Satin anodised... SAA Powder coat...ral/bs EQUALISING DEFLECTORS Deflectors fitted... VED www.h-v-c.com 5
Selection data DJ SPECIAL NOTE: Use left hand size line for throw. Right hand size line for Noise/pressure. Throw values based on an isothermal application, to a terminal velocity of 0.25m/s with straight vanes. Volume (cfm/ft) Volume (m 3 /hr) 906 Drum jet size 2000 1500 1000 900 800 700 600 500 400 300 250 7000 6000 5000 4000 3000 2000 1500 1000 900 800 40 30 20 15 10 5 2 Jet throw (m) Sound power level (NR) 50 45 40 35 30 25 20 15 Static pressure loss (Pa) 500 250 200 150 100 75 50 25 12 1206 1806 2406 2010 2510 *Use this side for NR/Pa 906 1206 1806 2406 2010 200 700 600 500 3010 3510 2510 3010 3510 400 100 300 Throw correction factors Vane angle 0 5 10 20 30 40 50 Throw factor 1 0.9 0.82 0.68 0.6 0.52 0.4 6 www.h-v-c.com for live UK stock levels
Ancillaries Saddle adaptors - SA Overview Normally used with diffusers best suited to fitment onto ductwork like drum jet diffusers, saddle adaptors allow a quadrilateral shaped grille to fit a circular duct. Specifications: Materials: Construction: Fixings: Galvanised steel throughout Brake press formed. None. Flange: Finish: Plenum riveted to ductwork. Grille affixed to plenum flanges. Standard - Inturned (as shown in picture). Grille flange would be be outturned if duct diameter is equal to or more than the grille nominal size. Standard - Galvanised steel. Optional - Painted to any RAL / BS colour. Saddle adaptor Tapers When the grille nominal size is not equal to the duct diameter, the adaptor will be tapered as in the photo. 300 Ø SA DUCT DIAMETER SERIES www.h-v-c.com 7
Grilles & diffusers Louvres Supplies Ltd Fire / Fire smoke dampers Volume control dampers All details within this brochure are correct at time of going to print. However HVC s policy is one of continual product development. The right is reserved to alter any details published in this brochure without any prior notice. Any changes will appear on www.h-v-c.com as soon as is practically possible. www.h-v-c.com All information in this brochure is designed to be used for informative purposes only. HVC will not be legally bound by anything contained within this publication, or any other information distributed. All references to companies not part of the HVC group of companies are used with the permission of their respective owners.