ACO India. Also available in stainless steel- ACO Drainlock grating - this bar-less locking device allows quick and simple installation of gratings - Vertical knockout for connection to PVC-U pipe or sump via outlet connectors - CE marked and fully certified to Load Class B 125 BS EN 1433:2002ACO M100D Multidrain No 0. Essential Product Range – Products we know you need day in and day out to get the job done. 10. The MultiDrain M100D channels are made from ACO's sustainable high-strength Vienite material which offers high chemical resistance. Because of this, D400 class channel. 0. 2 ACO MultiDrain™ MD System Technical Data Contents ACO MultiDrain™ MD – introduction to the system Page 3 Channel range layout Page 4 ACO MULTIDRAIN M100D SYSTEM ACO M100DACO MultiDrain M100D 23050 No. Manufactured from<br /> grey polymer concrete the down pipe<br />ACO M100D M100D 075 – 0100 channel Ø110mm 100mm. Manufactured from strong, lightweight Vienite material with recycled content. ACO HexDrain Pro Channel With Black Composite Heelguard Gratings. ACO Threshold Drain Drainage Channel with Stainless Steel Grating - 1m. ACO MultiDrain M100D channels are flexible, sustainable and durable channels for main road and traffic area drainage. Also available in stainless steelMultiDrain MD technical - Aco. Be capable of safe operation under heavy pedestrian. The slotted gratings of the ACO Brickslot range enable particularly subtle drainage of your outdoor living areas. Box 18672, Dubai, United Arab Emirates Telephone: +971 4 880 69 98, Fax: +971 4 880 69 97 E-mail: info(at)aco. The ACO MultiDrain MD system is available in three widths, 100mm, 150mm and 200mm and has both sloping and constant depths channels. Strong & robust channel design. 50 (plus VAT) delivery charge applied. 1J Channel Galv Rail 500mm . Add to basket. 00 incl VAT. Item 1 of 20. Aco Multidrain M100D Channel No 20. ACO DRAIN M100D Brickslot C250. For improved durability, these rails are made from a unique material, UltraSTEEL™, which has. ACO MultiDrain M100D - 135mm x 150mm x 1000mm. The channel is provided with integral. Manufactured from ACO's sustainable high strength material Vienite, these channel drains offer high chemical resistance. ACO MultiDrain M100D REVIT V1. Add to basket. A 15 Pedestrian, cycleways and domestic drives. £22. ACO MultiDrain M100D channels is a high strength channel drainage system designed to provide an economical solution for the efficient removal of surface water. ACO Systems and Solutions Private Limited Third Floor, 627/4, 36B, II Phase, 60 Feet Road, Near NTTF, Chokkasandra, Peenya Bangalore - 560 058 Karnataka, IndiaHow to Remove MultiDrain Gratings. ACO MultiDrain® M100D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. Products in ACO MultiDrain MD: Showing 1 - 35 of 35 products. 26 inc VAT. depth-mm. Download your selected files. ACO MultiDrain™ M100D channels listed below are provided with integral galvanised steel protective edge rails. Aco Multidrain M100D Heelguard Iron Grating D400 Loading 500mm Ref 23405. MultiDrain MD technical - Aco. , 23452 Channel footpath drainage Kerb outlet half batter grey. 0 Channel Galvanised Rail 1000mm. Designed as standard with a heelguard 10mm off set drainage inlet, ACO Brickslot is a subtle and unobtrusive grating which when combined with ACO MultiDrain MD galvanised and stainless steel channels, can be used as a solution to complement discreet drainage applications. Part number U0128186. Trams and light rail. This range of D 400* Load Class grates meets inlet requirements and skid and slip performance. Add to basket. The ACO MultiDrain™ M100D No. The 0. 0. The channel and ACO Brickslot grating together provide and unobtrusive continuous slot drainage system, with high hydraulic efficiency for fast removal of surface water. M100D 075V – 0100V channel Note: V Indicates channel with cast in TPE triple lipped seals for water tight connection. Simply select the appropriate grating to meet your aesthetic requirements. ACO MultiDrain M150D Mesh Galvanised Grating Heelguard 1000mm - C250. All MultiDrain® products comply with BS EN 1433:2002. ACO India. Long-lasting performance across the service life. ACO Drainlock Channel Grating Lifting Tool £42. Brief: 1. 2015 23417 Version Date Description Name Scale: 1:2 Released by: Format: A3 Projection: ISO-A. MultiDrain MD technical - Aco. Fill form: Try Risk Free. Civils + Infrastructure Project Pricing: Tel:+44 (0)1462 810303. 3 23461 Brickslot access unit 50 cm 50 13. To improve their durability, these rails are made using 'UltraSTEEL', a proprietary material. 2015 Created by: Units: mm Title: STAINLESS STEEL GRATING B125 DEN JEC 29. The ACO MultiDrain™ M100D Sump Unit with UltraSTEEL™ Galvanised Edge Rail and Plastic Silt Bucket 500 x 135 x 635mm (L x W x D), is a medium-duty recycled polymer concrete drainage sump for M100D grating. ACO MultiDrain™ M150D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical. 2. You don't want to waste time trying to remember how it all works when deciding whether to ride out a cooler streak at lower stakes or hit the machine hard. The system is suitable for use in a wide range of applications including commercial and residential developments, pedestrian precincts, landscaping and parking areas for all vehicle. 1Meter (39. ACO Water Management The management of surface water with complete integrated systems for use across the spectrum of civils projects. 200 KB Download. This traditional slotted drain design incorporates ACO’s unique Drainlock fixings that improve the. ACO MultiDrain™ M100D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. ACO MultiDrain™ M100D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. MultiDrain M100D channels can be installed with three different invert types, Constant Depth, Sloping Invert or Stepped Invert. For Use With M100D Sump Unit . Channel Base Only. For 200mm wide channels. 0 Channel Galv Rail 1000mm . ACO MultiDrain M100D Vienite D400 Shallow Channel Drain with Outlet - 1000mm More Options. Male and female connection to connect to ACO RainDrain channels. Features & benefits. Weight: 6. Super Customer Service. The channels are available in constant depth, sloping depth and shallow depth units. ACO MultiDrain™ M100D channels listed below are provided with integral galvanised steel protective edge rails. <br /> Downpipe connectors<br /> Two down pipe connectors are available<br /> to suit channel depth. The added benefit of UltraSTEEL™ is that its greater surface area improves the bond between. 1 1000x135x150/155 polymer concrete . Sizes & Gratings. House & Garden. Add to basket. ACO MultiDrain™ M100D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. See page 40 for further information. Suitable for use in a wide range of applications including commercial and residential developments, pedestrian precincts, landscaping and parking areas. 0 Galv Rail 1000MM D400 Vertical Knockout 23150 products. You save: £1. Srange S100 No S110J Channel 500mm. The system is UKCA and CE marked to BS EN 1433:2002 from Load Class A 15 for pedestrian areas, up to and including Load Class D 400 suitable for parking of all types. gravel margin provided. £410. ACO M100D gratings 16 ACO M100DS channels with stainless steel edge rails 18 ACO M100DS gratings – stainless steel 20 ACO MultiDrain® M150D. ACO DRAIN V100 / M100D / XD100 9 ACO Brickslot Brickslot grating load class C 250 Length* [cm] Width** [cm] Height* [cm] Intake area [cm2/m] Weight [kg] Order No. ACO MultiDrain MD is a high strength channel drainage system designed to provide an economical solution for the efficient removal of surface water. Protective UltraSTEEL galvanised edge rails for improved strength and bonding between channel and surface materials. Constant and sloping depth channels available. Essential Product Range – Products we know you need day in and day out to get the…ACO MultiDrain M100D Channel M100D No. [email protected] - aco m100d 20. How to Connect the Sump Unit; Will the Channels Work if Installed Level?ACO channel systems are used for external and internal applications, from Airports to Kitchens. MultiDrain™ M100D channels are made from ACO's durable Vienite® to ensure high chemical resistance. More Information; Range: M100D: MPN: 23200: Delivery. 60 £23. ACO are world leaders in the field of Surface Water Management and our knowledge in designing and manufacturing a wide range. use with the ACO MultiDrain™ M100D system only. 834 + +81. Channel system available in three channel widths: 100mm, 150mm and 200mm. ACO MultiDrain™ M100D channels listed below are provided with integral galvanised steel protective edge rails. 50 incl VAT. ACO M100D gratings 16 ACO M100DS channels with stainless steel edge rails 18 ACO M100DS gratings – stainless steel 20 ACO MultiDrain® M150D. Shallow channels ACO MultiDrain® MD shallow depth channels are available in two sizes, 75mm and 100mm total depths (ACO M100D / M100DS 075 and ACO M100D / M100DS 0100) and have the option of galvanised or stainless steel edge rails. Attention! Your ePaper is waiting for publication! By publishing your document, the content will be optimally indexed by Google via AI and sorted into the right category for over 500 million ePaper readers on YUMPU. Clip-locking grating for secure and simple installation. Branch Manager at Burdens Civils / Fusion Utilities Wolseley Report this post Report ReportACO Technologies plc. Enter Location More Detail. Depths available for the channels include constant depth, sloping depth and shallow depth. Manufactured from Vienite® to equip it with resilience to chemicals as well as strength and stability, the channel drains can feature constant depth and shallow depth units. ACO MultiDrain™ M100D channels listed below are provided with integral galvanised steel protective edge rails. 2015 Created by: Units: mm Title: STAINLESS STEEL GRATING B125 DEN JEC 29. item 8 DENSO DU-065L Wiper Blade, universal DENSO DU-065L Wiper Blade, universal. Caters for a range of catchment areas. 0 gives assurance that your design output will be fully compliant with best practice and the latest SuDS standards. ACO Brickslot gratings are available in galvanised or stainless steel and suitable for use with the 100mm, 150mm and 200mm wide channels in the ACO MultiDrain MD range. Four knock out sides for connecting to channels. The ACO Group is one of the world market leaders in drainage technology. M150D 6mm grating . Search. The ACO MultiDrain™ M100D No. zip . The ACO MultiDrain MD system is available in three widths, 100mm, 150mm and 200mm and has both sloping and constant depths channels. Width (Overall): 173mm. S. Applications: Driveways and small private car parks. . ACO, Inc. Provides an efficient drainage solution for a wide variety of applications. Patented UltraSTEEL channel edge rail for improved strength and durability. 4. 0 1 metre channel drain with plastic grate ACO Multidrain M100D No 7. ACO MultiDrain M100D channels is a high strength channel drainage system designed to provide an economical solution for the efficient removal of surface water. 0 - 250mm deep (230mm invert) M100D 30. ACO MultiDrain PPD is a recycled polypropylene channel drainage system for surface water removal in various applications. ACO MultiDrain™ M100D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. Combining an UltraSTEEL protective edge rail and a 10mm Heelguard drainage inlet, this offset grating is compatible with most types of paviours, setts, and flags up to a maximum. 90 per item. ACO MultiDrain™ M100D channels listed below are provided with integral galvanised steel protective edge rails. Add to basket. ACO Hexdrain Channel Drain End Caps and Outlet Accessories Pack. 5 10. ACO MultiDrain™ M100D channels listed below are provided with integral galvanised steel protective edge rails. 0. ACO 23000 1000mm MultiDrain M100D No 0. ACO MultiDrain MD is a tough and robust channel drainage system which provides high chemical resistance and the lightweight design ensures quick and easy installation. For 100mm wide channels. *075V and 0100V channels have a depth overall around the outlet of 80mm (075V) and 105 (0100V). 6850"). 4. Provide a versatile system that can be adapted to widely differing landscaped settings. Grating is not provided with this product. ACO TramDrain 200 is a higher-capacity drainage system that is also in place in this light rail system. For 300mm wide channels. 5 100. The slotted gratings of the ACO Brickslot range enable particularly subtle drainage of your outdoor living areas. The channels are available in constant depth, sloping depth and shallow depth units. creating ACO’s new Heelguard™ 6mm Rail Intercept grate is specifically designed to meet the needs of the rail industry. £26. 00 incl VAT. ACO MultiDrain™ M100D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. 0 1000mm 23000. We would like to show you a description here but the site won’t allow us. For enhanced durability these rails are manufactured from UltraSTEEL™, a unique material that has improved strength over plain steel. Quick and easy to install. The channels are. ACO MultiDrain MD is a high strength channel drainage system designed to provide an economical solution for the efficient removal of surface water. 00. Transparent Pricing & Secure Payments. ACO offer a standard version #920 (110mm) and #922 (160mm) or a roddable version #940 (110mm) and #950 (160mm). . The ACO Universal Gully provides fast and simple connection between any channel up to 200mm bore width in the ACO channel drainage range. Features & Benefits: ACO Brickslot RainDrain Slot Drain Channel 1m x 118mm x 173mm - B125. gravel margin provided. 20. The sloped M100D are available in a range of depths and have an integral galvanised steel protective rail edge manufactured from UltraSTEEL for enhanced durability. ACO MultiDrain™ M100D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. ACO M100D Channels: 23000 – M100D Channel No. Fax (909) 931-9059. ACO MultiDrain™ M100D channels listed below are provided with integral galvanised steel protective edge rails. ACO Brickslot gratings are available in galvanised or stainless steel and suitable for use with the 100mm, 150mm and 200mm wide channels in the ACO MultiDrain MD range. ACO BIM Models Download for free. Jebel Ali Free Zone Dubai, Street 100, Building 07 P. Baylor Quality Alliance is the clinically integrated network and ACO of Baylor Health Care System, which includes 27 owned, leased or affiliated hospitals. About ACO. foul aco channel m100d rw rw wc wc big big foul aco channel for ahus' m100d compressor house pick up foul channel aco s150 1503 outfall to s11 outfall into manhole s16 ic s1. View options. £75. Add to cart. The open structure of StormBrixx ® allows inspection cameras and cleaning devices to have free passage through the system. ACO N100K is one of our older discontinued product ranges in the UK. The channels are available in constant depth, sloping depth and shallow depth units. Not suitable for carriageways of public roads or motorways. 1 Geomembrane roll can be cut down to size for a nominal cutting fee, contact ACO. 4") ACO MultiDrain™ M100D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. StormBrixx® HD - features & benefits. 8kg. ACO Technologies plc. ACO MultiDrain™ M100D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. ACO, Inc. 0 CHANNEL GALV RAIL 1000MM CL D400. For 100mm wide channels. When you combine the grate and base into single unit, you massively reduce the risk of the gratings dislodging under traffic weight. 5 100 3. Download your selected files. Please refer to the attached ACO installation drawing number 21819. Aco MultiDrain M100D Drainage Channel Up To Class D400 Loading 150mm Deep x 1000mm Long. 56 postage. ACO MultiDrain™ M100D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. A strong brand around the world. uk. ACO MultiDrain M150D - 185mm x 100mm x 1000mm. ACO Building Drainage Stainless. Suitable for use in a wide range of applications including commercial and residential developments, pedestrian precincts, landscaping and parking areas. The company has further locations in Phoenix, AZ, and Fort Mill, SC. 0 Channel 1m Select a branch to see available stock and prices. The system is CE marked and fully certified to BS EN 1433:2002 from Load Class A 15 for pedestrian areas, up to and including Load Class D 400 suitable for parking of all. EN. ACO's MultiDrain M100D channels have been manufactured from ACO's sustainable, high. ACO MultiDrain™ M100D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. The channels are available in constant depth, sloping depth and shallow depth units. find out more. We deliver to all CO postcodes and selected CM (CM7 - CM8) & IP postcodes (IP1-IP17). Annie Ryan posted images on LinkedInThe ACO brickslot grating is a galvanised steel slot drainage grate for use with ACO Multidrain M100D Channels. 0 - 200mm deep (180mm invert) M100D 20. 0. 200 KB Download. The channel is 135mm wide with a choice of depths from 150mm up to 300mm. The high quality ACO RainDrain channels interlock, allowing for quick and easy installation. Universal Gully is compatible with several ACO product ranges, including MultiDrain M100D, M150D and M200D, S Range S100, S150 and S200, and RoadDrain PD100F (excluding 50. Also available in stainless steel. The added benefit of UltraSTEEL™ is that its greater surface area improves the bond between. 48” (63 mm) deep. These ACO 'Brickslot' gratings are a discrete and durable galvanised steel slot drainage grate for use alongside the ACO 'MultiDrain' M100D series. ACO MultiDrain M150D Junction Unit - 185mm x 310mm x 500mm. Form Popularity . Features & Benefits: ACO S150 Heavy Duty Channel Sump Unit. 38. SKU: DRAC4700. 75mm and 100mm total depths (ACO M100D / M100DS 075 and ACO M100D / M100DS 0100) and have the option of galvanised or stainless steel 23406DL edge. Using Vienite, a sustainable high-strength material by ACO, the channel has high chemical resistance to ensure long-term use. ACO's range of elegant and modern 'Complete the Look' gratings are available to provide choice and style. ACO MultiDrain MD is a high strength channel drainage system designed to provide an economical solution for the efficient removal of surface water. While it is a ‘channel system’ with a surface element and an underlying channel component, it differs in that the surface interface. ACO RainDrain Brickslot B 125 Channel with Slotted Galvanised Steel Grating Sign in or Select a branch to see available stock and prices. The channels are available in constant depth, sloping depth and shallow depth units. ACO MultiDrain M100D channels is a high strength channel drainage system designed to provide an economical solution for the efficient removal of surface water. ACO MultiDrain M100D channels is a high strength channel drainage system designed to provide an economical solution for the efficient removal of surface water. D400 class channel drains have been manufactured specifically to support a maximum weight load of 50 tonnes. Brick pavers fit directly against the slot. Aco Multidrain M150D Sump With Plastic Silt Bucket Galv Rail 500MM 23158. 5 100 6. The system is suitable for use in a wide range of applications including commercial and. ACO stands for professional drainage, efficient cleaning, and the controlled discharge or reuse of water. ACO MultiDrain M150D - 185mm x 100mm x 1000mm £82. The ACO SuDS Swale Inlet will reduce the velocity and distribute the flow across a footprint up to 6 times that of a traditionally constructed pipe outfall. Its lightweight 1m channel design makes it quick and easy to install. Always available, in stock, in every branch. Company Registration No: 01647362. *Not suitable for carriageways of ACO MultiDrain™ M100D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. The ACO sump unit is part of the ACO MultiDrain™ M100D channels, manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. The channels are available in constant depth, sloping depth and shallow depth units. Registered Office: Merchant House, Binley Business. MultiDrain MD Brickslot STACO MultiDrain™ M100D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. ACO 23405 Ductile Iron 500mm MultiDrain M100D Heelguard Grate Loading Class D400 Choose Your Enquiry Type Order Enquiry General Product Enquiry Technical Product Enquiry Website Enquiry General Enquiry Forums Enquiry Trade Counter Business/Marketing Employment Ask a questionACO M100d Grating Dimensions Length : 1000mm Width (Overall) : 123mm Weight : 6. 5 10. ACO MultiDrain™ M100D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. Features & benefits. 0. M100D 10. Suitable for use in a wide range of applications including commercial and residential developments, pedestrian precincts, landscaping and parking areas. The ACO Freestyle offering is a unique customer-led grating design solution, which gives Architects and commercial property owners the freedom to create fully-bespoke drainage grating designs for the external environment. All sump units are supplied without gratings and offer. ACO MonoDrain is a simple yet versatile channel drainage system for surface water. Safe and secure installation. ACO MULTIDRAIN M100D 23404 306 MULTIFUNCTIONAL END CAP. ACO MultiDrain M100D Galvanised Steel A15 Channel Drain Grate More Options. 0 - 200mm deep (180mm invert) M100D 20. 2015 132557, 132552 Version Date Description Name Scale: 1:5 Released by:. ACO RainDrain B 125 Channel with Cast Iron Heelguard? ATec Grating Sign in or Select a branch to see available stock and prices. Strong and lightweight design, improves stability and anchors product into concrete surround, which provides high chemical resistance. M100D No. ACO MultiDrain MD is a high strength channel drainage system designed to provide an economical solution for the efficient removal of surface water. 1 1000x135x150/155 polymer concrete. Aco Multidrain M100D is a Polymer concrete constant and sloping depth channels. 35 ex. ACO MonoDrain is a simple yet versatile channel drainage system for surface water. 00 incl VAT. MultiDrain M100D is available in the following depths: M100D 0. (a) serious injury to any person at work arising from a fire or explosion;These ACO S Range Ductile Iron Channel Grates are suited for a weight load class of F900, making them the optimum solution for environments that experience high wheel loads, including ports, docks, and aircraft pavements. ACO Hexdrain Plastic Channel Drainage Corner Unit and Vertical Outlet. ACO MultiDrain™ M100D channels listed below are provided with integral galvanised steel protective edge rails. Start right away with 4 months to pay. Discreet drainage with ACO Brickslot. 0 CHANNEL. ACO MultiDrain™ M100D channels listed below are provided with integral galvanised steel protective edge rails. High-strength Vienite® has excellent longevity and chemical resistance. ACO TD100 with Factory Installed Non-Removable Grates and opening to attach a 12" Diameter Horizontal Outlet Flume. Key Features of the ACO Multidrain M100D Drain Channel. ACO MultiDrain™ M100D channels are manufactured from Vienite®, ACO’s sustainable high strength material, which provides high chemical resistance. ACO MultiDrain M100D Galvanised Steel B125 Intercept Channel Drain Grate More Options. About ACO A strong brand worldwide. 4. Grating is not provided with this product. Channel Drain Heelsafe Stainless Steel Grate 1000mm - ACO Modular 316. These ACO Drainlock gratings are suitable for load class C250 and are for use with the ACO MultiDrain M100D channels with UltraSTEEL galvanised steel protective edge rail and ACO MultiDrain M100PPD channels with galvanised steel protective edge rail. Document Generated: 2023-08-02 Status: This is the original version (as it was originally made). Add to basket. Provides an efficient drainage solution for a wide variety of application. £324. Downpipe connectors Gratings Two down pipe connectors are available to suit channel depth. They blend discreetly into stylishly designed patios and maintain the architectual aesthetics through efficient rainwater drainage. Manufacturer ACO . 5 100. As standard, channels are manufactured with UltraSTEEL protective edge rails. B125 weight load class rating ideal for light vehicular traffic. Features - - Suitable for heavy duty applications including aircraft pavements, ports and docks - Cast-in iron edge rails and heavy duty gratings improve the inherent strength of the systemReport this post Report Report. ACO’s high strength polymer concrete. The channels are available in constant depth, sloping depth and shallow depth units. il7. Add to basket. ACO M100D channels with UltraSTEEL galvanised edge rails Page 6<br /> ACO Universal Gully Page 8<br /> ACO Drainlock Gratings Page 9<br /> ACO M100D gratings Page 10<br /> ACO M100DS channels with stainless steel edge rails Page 12<br /> ACO M100DS gratings – stainless steel Page 14<br />For slots, an intuitive grasp of how stakes and the number of payout lines played come together to affect bonus and progressive possibilities is key. 4. The ACO MultiDrain PPD system is available in three widths, 100mm, 150mm and 200mm and has shallow and constant depths channels for optimum performance and system design. 2015 Created by: Units: mm Title: GRATING D400 DEN JEC 30. Price $227. Add to basket. † These products comply with BS EN 1433 KM538858. Globally recognised as the no. Back SubmitACO MultiDrain M100D NO. Attention! Your ePaper is waiting for publication! By publishing your document, the content will be optimally indexed by Google via AI and sorted into the right category for over 500 million ePaper readers on YUMPU. zip . Datasheets ACO Gravel Grid FRENCH. Simply select the appropriate grating to.