110mm 87. £4. BS EN 295-1Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. Brett Martin Plastic Underground Drain Pipe Double Socket PVC Slip Coupler More Options. Hepworth Clay unjointed Winsor interceptor 100mm RI1/1 Hepworth Clay unjointed Winsor interceptor 150mm RI1/2. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. . Correctly installed it has a lifetime expectancy of over 100 years. SuperSleve HouseDrain was developed specifically for ‘Around the House’ drainage, but is equally suitable for adoptable, commercial and industrial developments. 50% 01/02/2022. 06 Add to Cart. A range of clay pipes and fittings specifically developed for housing drainage but also suitable for foul and surface water drainage in adoptable, industrial, commercial and highway drainage applications. The range is particularly suitable for refurbishment and maintenance work where sections of drain need to be replaced or relaid. Product Standards and Specification ClauseHepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. Product name. Wavin offers a wide range of deep and shallow Inspection Chambers for safe and easy. Principles of Pressure Regulation Brochure French - 480-045. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. DIA: Length: Price Range Per Meter: 1: Precast Reinforced Concrete Pipe- Spigot and Socket Type: Internal Diameter: 150 MM: 2 Meter: 220-300: 2:Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. Shallow inspection. We are a tangible business with a trade counter, 1. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. co. Skip to end of list. Conforms to the Harmonised European Standard: BS EN 295-1:2013 . 5 (instead of 2. See current trade price list for full details. Stowell 5%. promotions; t20 cricket world cup promotion winners; our brands; about us . Hepworth Clay drainage pipes Hepworth Clay drainage pipes To learn more about Hepworth Clay pipes click here. 00% Water & Sewer Pressure Pipeline Systems Fittings 10. Hepworth Drainage : Hepworth Building Supersleve Hopper 150mm Sh3/2 : SUPERSLEVE HOPPER 150MM SH3/2: Manufacture:. Aggregate Industries 7. Add to basket. To download BIM Revit files, please visit My Portal. SKU: DRHSS004. You will also find manhole covers and gully grates. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. For irrigation, drainage and for cable ducting. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. Hepworth SP2 Plain Ended 150mm x 1750mm Supersleve Pipe. Hepworth Building Part number . 3. Add to basket. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. Hepworth Building Products Edlington Lane, Edlington, Doncaster DN12 1 BY Technical hotline 0870 443 5551 Literature hotline 0870 443 6000 Web Email drainage@hepworth. Concrete Pipes. Principles of Pressure Regulation Brochure - 480-045. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. Order Helpline 01752 692. It includes fittings, junctions and bottle gullies, suitable for foul or surface water drainage. 03 . Browse our full range of clay drainage generally used for foul sewerage, surface water, or road drainage. To download BIM Revit files, please visit My Portal. Fittings. 3 3. Comprises a range of vitrified clay pipes both standard and short length, bends, junctions, gullies and. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. 27 £14. They are often designed, so the product name appears at the top. 00 incl VAT. Shower Drains. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system lifetime against penetration of the pipe wall up to 7,500 psi (517 bar). 44NE310 Hepworth Clay D/S equal inspection chamber base 100mm 4 branches 44NE316 Hepworth Clay D/S equal inspection chamber base 100mm left-hand branch 44NE314. DoP/Hepworth/Clay Drainage/001 . Wavin Osma Above Ground Drainage Systems comply, where applicable, with the requirements of the following British Standards: BS 4576: Part 1: 1989 - Half-round gutters and pipes of circular cross section. Chemical resistance – Clay is inert, so is unaffected by any effluent approved for discharge into a public sewer. • At a flow rate not exceeding 20 gallons per minute (1. Underground Drain Pipe Double Socket PVC Pipe Coupler - 110mm. Brand: Simtex. Speak with your nearest branch. Hepworth Clay inspection chambers are manufactured under a Quality Management system to BS EN ISO 9001. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. 8 HVT46YPNKM113 D (mm) Std L (Mtr) BSI Certification Nominal OD Wall. Hepworth Clay mini access chamber base 100/110mm 215mm deep. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system lifetime against penetration of the pipe wall up to 7,500 psi (517 bar). Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Choose the price list template that suits you most. Add to Enquiry. Hepworth Building Part number . Price . Clay’s main benefits are its durability and longevity. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. Clay’s main benefits are its durability and longevity. wolseley-code. Flexseal EPDM Moulded Bush Drain Pipe Adaptor Coupling More Options. 8. Our produce price list is updated throughout the week. Learn how to install and use SuperSleve EuroTop Pipe DN250mm, a clay drainage system with high performance and durability. The drainage products* identified in this price list are guaranteed for the system lifetime against penetration of the pipe wall caused by the following jetting criteria: • High pressure water jet used at a pressure of up to 7,500 psi (517 bar). Clay’s main benefits are its durability and longevity. This product is resistant to high water pressure. Clay’s main benefits are its durability and longevity. Wavin Rainwater systems are designed to be installed quickly, give outstanding performance and look aesthetically pleasing. 00% 03/05/2022 Naylor Plastic Plastic Drainage 15. DWV & Sewer 290. The company's Jaipur manufacturing facility was awarded a GOLD medal in the 8th edition of National Awards for Manufacturing Competitiveness (NAMC) 2021, organized by International Research Institute for Manufacturing, in strategic association with. 72 Add to Cart. 50 incl VAT. Dimensions. Clay’s main benefits are its durability and longevity. DoP/Hepworth/Clay Drainage/001 . We stock a wide choice of clay drainage products from industry-favourite brand, Hepworth by Wavin. Underground Drain Pipe Double Socket PVC Pipe Coupler - 110mm. Inspection Chambers. Bends, junctions and fittings are available in 100mm, 150mm, 225mm and 300mm diameters. essential-product-range. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. See current trade price list for full details. Delivery or pick up local to you Hepworth Drainage from a highly recommended trusted company. Telephone 0844 5561818 calls are charged at 7p per minute PLUS your telephone network will charge you which can be significant. Hepworth UPVC - Free download as PDF File (. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. 27. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. 5° D/S Underground Drainage Bend. Hepworth Terracotta Product Guide HEPWORTH CLAY &. Clay’s main benefits are its durability and longevity. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system lifetime against penetration of the pipe wall up to 7,500 psi. Clay Drainage SuperSleve & Flexseal Products. Clay is a future-proof material, 100% natural and 100% recyclable. OsmaDrain is a PVC-U gravity drainage system for use in building drainage applications. HaworthReplaces All Previous Price Lists Commercial Drainage COD0122 Customer Guide. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. Browse our full range of clay drainage generally used for foul sewerage, surface water, or road drainage. As recommended by 1000's of respected UK companies. Add to basket. HEPWORTH uPVC DRAINAGE SYSTEMS. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with. 12 UK and Worldwide delivery. Please note; not all products will bear the CE mark. Products & Services : Valves , Landscaping Equipment , Irrigation Systems And Equipment , Valves , Valve Boxes Read More. 20 per item. Hepworth SuperSleve has a wide range of pipes and fittings available for domestic, adoptable, commercial or industrial drainage. HDPE Corrugated Subsoil Drainage Pipe. Chemical resistance – Clay is inert, so is unaffected by any effluent approved for discharge into a public sewer. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. 01 Ex VAT. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. uk 5 SuperSleve HouseDrain Description Nom Dia mm Cat No SuperSleve HouseDrain – continued Square Raising Piece for SG2/1, SH1, SH2 75mm x 150mm x 150mm ! 150 RRS2/1 150mm x 150mm x 150mm ! 150 RRS2/2 225mm x 150mm x 150mm ! 150 RRS2/3 300mm x 150mm x 150mm ! 150. Clay’s main benefits are its durability and longevity. Learn how to install and use SuperSleve EuroTop Pipe DN250mm, a clay drainage system with high performance and durability. It covers topics such as pipe selection, jointing methods, testing, maintenance and sustainability. 5%. uk Certification BSEN 295-1 Kitemark certified Agrement Certificate 02/3884 (100 & 150 mm only) Pipe dia Crushing strength / Class no – 100 mm. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Search by Sector or Literature Type. we're available 24/7! 1300 tradelink; find us; our products. Clay’s main benefits are its durability and longevity. 6 BS 4514 (Dimensionally Comply to BS 4514) PLASTIDRAIN (SDR 41) Hepworth Drainage & Sewerage Pipe Data Plain End Pipe BS EN 1401 D (mm) Std L (Mtr) BSI Certification Nominal OD Item Code Min (DN) Max (DN) 82 6 - 82. Welcome to Wavin UK. Hepworth Clay Price List (CL103) 1st Apr 2023 SuperSleve HouseDrain vitrified tonal drainage pipes. Wavin Osma UltraRib Corrugated pipe systems are designed for use in gravity drainage and sewerage installations at depths of up to 10 metres. Clay’s main benefits are its durability and longevity. 00. 00% H Range branded Access Covers & Gratings: 18. Buy 40 mm Waste Pipe & Fittings at Screwfix. Plumbing Systems. HEPWORTH - Drainage & UPVC Fitting. About us If a job is worth doing then it’s worth doing properly. Related Hepworth Drainage Products. Discover the leading suppliers of Hepworth Upvc Drainage Pipes Fittings in the AL-AIN. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. View trade pricing and product data for Hepworth - Clay, SP1 Pipe, Drainage, Clay, SuperSleve HouseDrain. Hepworth Building Part number . Chemical resistance – Clay is inert, so is unaffected by any effluent approved for discharge into a public sewer. Price. £3. Add to basket. Rs. 98. Range Hepworth Clay inspection chambers are supplied complete with multi inlets to connect directly to SuperSleve pipe systems, any or all inlets can be easily adapted to plastic drainage systems with the adaptor provided. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. pdf), Text File (. Examine and validate the template. Speak to the experts. Civils & Green Urbanisation. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. 00% Valves & Hydrants 8. The product conforms to Kitemark and has a high lifetime expectancy for more than 100 years. See current trade price list for full details. AED 18. Wavin Osma UltraRib. 00% 03/05/2022 PAM Brand Access Covers, Gully Gratings & Surface Boxes 18. Download the declaration of performance and the installation guide from this pdf document. £2. AVK Philipppines Price List 2022. More Info. The society still operates from a local gallery. Roller Material: HDPE. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. ₹ 450/ Meter Get Latest Price . Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. Ridgigully 450MM X 900MM X 160MM Spigot Rg450900. Brass Pipe & Fittings 490. Clay’s main benefits are its durability and longevity. Many good reasons for Geberit HDPE. Choose the size of your price list. View trade pricing and product data for Hepworth - Clay, SL1C Lubricant, Soluble Jointing High Performance, Clay, Clayware Accessories. Mannock PIR Insulation 10%. • At a flow rate not exceeding 20 gallons per minute (1. Add to Cart. price list. Create a blank Price List. Compare. Hepworth Building Part number . Brett Martin Inspection Chamber Riser 450mm diameter - 325mm Invert. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. It is highly resistant to high water pressure jetting methods and to aggressive ground conditions. The factory is equipped with the most up to date machinery and equipment to produce more than 50 K Tons annually. Service you would expect from a trusted UK. Accessories. 16 hepworth drainage fittings 17 19 wavin drainage fittings 20 24. Service you would expect from a trusted UK company. Naylor Drainage Clay Drainage 50. Size: 225mm, Finish: Polypropylene, TSI Code: 9784343, EAN Code: 5027888002129. 5 acres of yard space, and of course our very successful website Burdens has been providing the civils industry with underground drainage and heavy construction products since 1929. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. HEPWORTH CLAY & TERRACOTTA: 1. Hepworth Clay HepLine 225 L=2. Contents Page Page Introduction to Hepworth Clay 2 Premier and. Clay’s main benefits are its durability and longevity. • At a flow rate not exceeding 20 gallons per minute (1. All Filters. Clay’s main benefits are its durability and longevity. Hepworth Clay Technical Handbook is a comprehensive guide to the design, installation and performance of Hepworth clay drainage systems. Clay’s main benefits are its durability and longevity. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. 5 litres per second). 8 HVT46YPNKM113 D (mm) Std L (Mtr) BSI Certification Nominal OD Wall Thickness (mm) Item Code Min (DN) Max (DN) 110 3 110 110. "Barbara Hepworth: Sculpture for a Modern World" at Tate Britain, London. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Email: drainage@hepworth. Hepworth Clay mini access chamber cover and frame 345x345mm. Pcs. Hydro-Flo HDPE Trench Drain Systems. Superior quality stormwater residential and commercial drainage systems. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Order online for delivery or Click & Collect at your nearest Bunnings. Categories. Roller Length: 200-2000. T. Clay’s main benefits are its durability and longevity. Buy Supersleve 150mm Db End Spig Adap Sa15/2 - £66. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. No. WebGravity Sewer Hepworth Clay drainage pipes To learn more about Hepworth Clay pipes click here. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. Hepworth SA1/1 HouseDrain Adaptor To 100mm Unjointed Socket 100mm. Use your company’s fonts, colors, and logos to create the template in Microsoft Word, PowerPoint, Excel, Google Sheets, or Google Docs. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. 75 mtr/69" SP2. Traps, Primers, & Specialties. ₹ 11,190 Get Latest Price . 00 incl VAT. 240-320. 00 ex. 4 82. It is the most modern and appropriate response to drainage requirements and is fully compatible with other SuperSleve products. SKU: DRHCP698. Clay’s main benefits are its durability and longevity. PEX Pipe & Fittings 940. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Electrical Materials; White wood/Soft wood/ Plywood;Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. The Hepworth SuperSleve clay drainage system is available in 100mm, 150mm, 225mm and 300mm diameters for use in adoptable sewers, commercial or industrial construction, highways and general building drainage. Roller Diameter: 89-112-127-140-152-160. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. The advantages of UPVC pipes and fittings include their lightweight, easy installation, and longer. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. Outflow channels, yard and main. Hepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. Sort By. Clay’s main benefits are its durability and longevity. AED 18. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Download, email or publish directly on social media. We provide various plumbing products at best prices. Jetting performance – Hepworth SuperSleve pipes carry a lifetime jetting guarantee, jet proof to 7500 psi* please refer to current trade price list for details. Hepworth Drainage Hepworth Drainage is one of the largest drainage manufacturers in the world. Marshalls 375mm x 750mm Concrete Gully and Adaptor with 150mm Outlet. UPVC Pipe - Upper GroundHepworth Clay drainage system comprises a range of perforated and non-perforated vitrified clay pipes supplied complete with factory-fitted push-fit flexible couplings or plain ended with separate couplings to be fitted on site. 29%. 01 Ex VAT. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Direction of flow is from the socket towards the spigot. doc4 Specification Brochure - Hepworth Clay. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Geberit 295. Product Standards and Specification Clause All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system lifetime against penetration of the pipe wall up to 7,500 psi (517 bar). vivo V29. 13 UK and Worldwide delivery. Only those subject to the CPR and manufactured on or after the 1st July 2013 should. DoP/Hepworth/Clay Drainage/001 . HEPWORTH; HEPWORTH Accessories H D P E Pipes &. Showing 1 - 21 of 21 products. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. In addition, it trades through operating companies in Oman. Bends, junctions and fittings are available in 100mm, 150mm, 225mm and 300mm diameters. Hepworth Clay HepLine 225 L=2. ₱56. 5% = 11. Service you would expect from a trusted UK company. VIEW PRODUCT. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. £38. Telephone 0844 5561818 calls are charged at 7p per minute PLUS your telephone network will charge you which can be significant. Product Standards and Specification Clause . All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. Drainage Superstore® offer the best quality above and below ground, drainage options, as well as products from leading manufacturers delivered to your door. Wavin Osma Above Ground Drainage Systems comply, where applicable, with the requirements of the following British Standards: BS 4576: Part 1: 1989 - Half-round gutters and pipes of circular cross section. Wavin’s deep Inspection Chambers are approved to BS EN 13598-2 for deep applications. Skip to start of list. 00 incl VAT. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Clay drainage Trade Price List I March 1st 2018 Hepworth Fired to Perfection. Osma UltraRib is a fully socketed system of pipe and fittings which combines secure jointing with ease of installation. Ex VAT Inc VAT. Shallow inspection chambers; Deep inspection chambers; Hepworth Clay inspection chambers; Heating & Cooling. Additionally, in respect of the Related Hepworth Drainage Products. Add to list. Hazlehead Site, Crow Edge . Call Us On 01502 801021. Whether it’s domestic. Brett Paving 12%. To download BIM Revit files, please visit our BIM centre. Hepworth Clay HepLine perforated pipe with coupling 225mm length 1. Search. 5%. BS EN 295-1Drainage system ; Upvc upper ground drainage system. 5% + 3. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system lifetime against penetration of the pipe wall up to 7,500 psi (517 bar). Or call us at 888-825-4716. Telephone 0844 5561818 calls are charged at 7p per minute PLUS your telephone network will charge you which can be significant. As low as £23. This business was established over 40 years ago in Dubai and now manufactures pipes and fittings on three locations in the UAE and one location in Qatar and another one in Oman. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. Service you would expect from a trusted UK company. VAT Select options SUPERSLEVE BEND £ 35. Get a Quote. Clay’s main benefits are its durability and longevity. The advantages of UPVC pipes and fittings include their lightweight, easy installation, and longer. To ensure high performance of sewerage systems, they must be inspected and maintained. UPVC pipes and fittings are manufactured by companies such as Hepworth, Cosmoplast, and National Plastic in UAE. £46. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. Clay’s main benefits are its durability and longevity. Hepworth Clay Drainage Showing all 11 results SUPERSLEVE COUPLING £ 19. Product Standards and Specification Clause . Hepworth Telescopic Rest Bend Data Sheet HEPWORTH CLAY & TERRACOTTA Hepworth Clay Bulk Purchase Ridge Tiles Price List HEPWORTH CLAY & TERRACOTTA Hepworth Drainage & Sewerage Pipe Data Plain End Pipe BS EN 1401 D (mm) Std L (Mtr) BSI Certification Nominal OD Item Code Min (DN) Max (DN) 82 6 - 82. Hepworth Clay Drainage Showing all 11 results. Manufactured from vitrified clay, it provides superior bending and compression strength. First off, click “menu” template layout from the design hub to start designing. Originally comprising 19 artists, including Peter Lanyon and Bernard Leach, the group converted old fishing lofts along Porthmeor beach into studios. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. Clay’s main benefits are its durability and longevity. Clay’s main benefits are its durability and longevity. 12. Buy Hepworth Building Hepduct Pipe 100mm X 1. All SuperSleve products are manufactured to BS EN 295-1:2013.