The newlyweds moved back to London in 1926, working then in the modern. Click & Collect. It is the most modern and appropriate response to drainage requirements and is fully compatible with other SuperSleve products. Browse our full range of clay drainage generally used for foul sewerage, surface water, or road drainage. Chemical resistance – Clay is inert, so is unaffected by any effluent approved for discharge into a public sewer. Unit Price. All SuperSleve HouseDrain products are manufactured to. PDF 3 MB. Product Standards and Specification Clause . Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. P. “With this landmark hospital set to open for patients in 2017, Hepworth Clay have been instrumental in ensuring the Royal Liverpool Hospital will have an underground drainage system that will offer long, reliable service to maximise NHS budgets and safeguard patients. Hydro-Flo Fabricated Carbon Steel or Stainless Steel Trench Drain System. 00. Clay’s main benefits are its durability and longevity. Telephone 0844 5561818 calls are charged at 7p per minute PLUS your telephone network will charge you which can be significant. Clay’s main benefits are its durability and longevity. £58. Telephone 0844 5561818 calls are charged at 7p per minute PLUS your telephone network will charge you which can be significant. 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. Stainless Steel Drainage. Sheffield S36 4HG . The undersigned representing the following: Wavin Ltd . UPVC is a durable plastic material that is resistant to chemicals and UV rays, making it ideal for plumbing, drainage, and irrigation. Marshalls Civils & Drainage offer an extensive range of precast concrete pipes with flexible spigot and socket joints from 300mm to 1800mm to BS EN 1916:2002 Class 120, ovoid pipes and perforated. 8 HVT46YPNKM113 D (mm) Std L (Mtr) BSI Certification Nominal OD Wall. £80. See current trade price list for full details. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Contents Page Page Introduction to Hepworth Clay 2 Premier and Premier Plus Stock Profile 4 Premier Plus Stock Profile 5 Suggested Clay Civils Stock Profile 6 Socketed Clay Channels 150-225mm 6 100mm Diameter Pipes and Fittings 8-12 100mm. Clay’s main benefits are its durability and longevity. Traps, Primers, & Specialties. 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. • At a flow rate not exceeding 20 gallons per minute (1. DoP/Hepworth/Clay Drainage/001 . Wavin AS+ is the new best in class plastic sound-insulating Soil & Waste piping system, suitable for drainage of hot and cold waste water and in accordance with all requirements for non-pressurized waste water piping as laid down in BS EN 12056. Telephone 0844 5561818 calls are charged at 7p per minute PLUS your telephone network will charge you which can be significant. The inherent strength and durability of clay provide benefits to installers, specifiers and users: – Reduced, recycled or re-used material can be used instead of primary aggregates, lowering total installation costs. Get quality UPVC/PVC/HDPE pipes & fittings for low cost from top Hepworth traders & wholesalers in UAE. SKU: DRHSS004. 45% 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. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Hepworth Clay pipes & fittings - used for the majority of drainage installations. Brett Martin Perforated Blown Socket Plastic Underground Drain Pipe More Options. 45%. The drain has a 45-degree bend angle. Originally comprising 19 artists, including Peter Lanyon and Bernard Leach, the group converted old fishing lofts along Porthmeor beach into studios. 22 Items. 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). 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). Hepworth Building Part number . Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. The list below is current for the stated date only, and may not be accurate on any other date. Outflow channels, yard and main. Range. Material: FRP/GRP. Delivery or pick up local to you Hepworth Drainage from a highly recommended trusted company. 03 . Would give 4 out of 5 given mix up but 5 out of 5 if it. 72 Add to Cart. Use white space to make your pricing list template easier to read. 240-320. Engineering Bricks 13%. Park, Harry Weston Road, Coventry CV3 2TT. 30 Free Price List Templates (Price Sheets) – Printable. 98. Clay drainage Trade Price List I March 1st 2018 Hepworth Fired to Perfection. 36 . Hepworth for a genuine ‘fit and forget’ high performance, drainage solution. UPVC Pipe - Upper Ground Size: 1 1/2 inch , Length: 4 Meter , Brand: Hepworth . With a comprehensive range of products, expert advice, and flexible delivery options. 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. Clay’s main benefits are its durability and longevity. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. 900 Series Backflow Preventer Sell Sheet - 480-191. Bends, junctions and fittings are available in 100mm, 150mm, 225mm and 300mm diameters. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Nominal width (DN) Dimension d x s (mm) 30: 32 x 3: 40 : 40 x 3: 50: 50 x 3: 56:Telephone 0844 5561818 calls are charged at 7p per minute PLUS your telephone network will charge you which can be significant. Hepworth Building Supersleve Coupling 100mm Sc1/1 : Supersleve coupling 100mm sc1/1 hepworth supersleve has a wide range of pipes and fittings available for domestic, adoptable, commercial or industrial drainage. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. An ISO 9001, ISO 14001 & ISO 45001 registered company, in 2009 Hepworth PME Qatar became the first plastic pipe manufacturer in Qatar to achieve “Kitemark” third party certification on its soil & waste and drainage products, clearly demonstrating the company’s commitment and dedication to supplying its customers with the highest quality. Hepworth SuperSleve pipes carry a lifetime jetting guarantee, jet proof to 7500 psi* please refer to current trade price list for details. Naylor Drainage: Clay Drainage 50. 110mm Soil Pipe Bracket - Black. Hepworth Clay HepLine. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Telephone 0844 5561818 calls are charged at 7p per minute PLUS your telephone network will charge you which can be significant. £6. Got the product I wanted at the best price I could find. Hepworth SuperSleve pipes carry a lifetime jetting guarantee, jet proof to 7500 psi* please refer to current trade price list for details. HEPWORTH - Drainage & UPVC Fitting. 9 metres, depending on the chamber and the application. Filters. Hepworth Clay pipes and fittings can be used for the majority of drainage installations. Wavin AS+ Acoustic Soil System. Service you would expect from a recommended trusted UK company. 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. 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. Hepworth Clay is a brand from Wavin. Brett Paving 12%. All SuperSleve products are manufactured… Continue reading. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Clay’s main benefits are its durability and longevity. 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. Hepworth Clay channels additionally fittings. 5° D/S Underground Drainage Bend. Products. Speak to the experts. Buy online Hepworth Drainage at MyTub trade counter. Personalize it: change colors, edit text or resize. . CREATE A FREE PRICE LIST. 100% natural and fired to perfection. 06 Add to Cart. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. Add to Enquiry. Bends, junctions and fittings are available in 100mm, 150mm, 225mm and 300mm diameters. Wavin Osma UltraRib Corrugated pipe systems are designed for use in gravity drainage and sewerage installations at depths of up to 10 metres. New generation Tigris K5 press fit pipe system with the world's first acoustic leak alarm. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. If you are looking to buy a brand new mobile phone from one of the trusted brands at the lowest price, you have come to the right place. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. Over 40,000 products. FP McCann - Concrete Drainage - 3%. Clay’s main benefits are its durability and longevity. Structured wall pipes available with ring stiffness of 8 kN per. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Clay’s main benefits are its durability and longevity. Published [04/08/2023] File size [3582 KB] 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. Hepworth Clay Drainage – Gullies – Gully View products. The handbook is available as a PDF file for easy download and reference. 49 £4. Hepworth SuperSleve pipes carry a lifetime jetting guarantee, jet proof to 7500 psi* please refer to current trade price list for details. Drainage Suffolk. Or call us at 888-825-4716. 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. As recommended by 1000's of respected UK companies. We stock a wide choice of clay drainage products from industry-favourite. Trading as Jewson Civils Frazer. More Info. Clay Drainage & Accessories ; Unjointed ; Read more. 376 templates. Add to Basket. Clay’s main benefits are its durability and longevity. A price list template is used to produce a printed catalog or list of items or products for sale, with descriptions and prices. 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. 00%: ACO Building Drainage All Products: 9. HDPE Bend 45° x 50mm. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. 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. Ex VAT Inc VAT. Price. Dimensions. Direction of flow is from the socket towards the spigot. Barbara Hepworth. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. Sort By. 36 . Stowell 5%. Clay’s main benefits are its durability and longevity. As low as £23. Open the catalog to page 1. Welcome to Wavin UK. CE marked and kitemarked to EN 295. Hepworth Clay cast iron adaptor 100mm SA14/1 Hepworth Clay cast iron adaptor 150mm SA14/2. One of the UK's most trusted & leading names in plastic drainage systems. Sort By. Clay’s main benefits are its durability and longevity. Shape: Full Floor (Rectangular) Capacity: B125/C250. 00% H Range branded Access Covers & Gratings: 18. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. (See Hepworth Price List for details) is designed to connect to cast iron. SUPERSLEVE BEND £ 35. ₹ 11,190 Get Latest Price . Marshalls 900mm x 450mm Concrete Gully Pot with 150mm Outlet. 00% 01/01/2022 Wavin Hep2O Products. 27. Jetting performance – Hepworth SuperSleve pipes carry a lifetime jetting guarantee, jet proof to 7500 psi* please refer to current trade price list for details. 01 Ex VAT. See current trade price list for full details. To download BIM Revit files, please visit My Portal. Telephone 0844 5561818 calls are charged at 7p per minute PLUS your telephone network will charge you which can be significant. Supersleve 150mm Clay Pipe 1. Our businesses manufacture building and construction products including specialised clay pipes, plastic drainage systems and plastic ducting, and concrete products as well as a range of products for the retail market. Chemical resistance – Clay is inert, so is unaffected by any effluent approved for discharge into a public sewer. Hydro-Flo HDPE Trench Drain Systems. Order online for delivery or Click & Collect at your nearest Bunnings. Hepworth Clay HepGuard plain surface box 150mm. All SuperSleve products are manufactured to BS EN 295-1:2013. 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. Green White Gradient Travel Pricelist List. 50 incl VAT. Registered in England and Wales. Download the PDF guide and see the declaration of performance. They are suitable for use in both adoptable and non-adoptable applications to a maximum depth of 0. 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. Add your business name and logo, replace the predefined content on the. Add to basket. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. Brochure. HDPE Bend 45° x 56mm. See current trade price list for full details. Find pipes, adaptors, channels & more in various sizes. price change notification; supply communications; promotions . Application: INDDUSTRIAL AND AGRICULTURE. Geberit HDPE assortment. 56. As a market leading contributor to the built environment, our sights are firmly set on leading our industry in sustainability by 2025. 04 Add to Cart. Phone : 06-7431648 Mobile : 054-4678409. Clay’s main benefits are its durability and longevity. Drainage Hepworth, 24 Hour Domestic Drainage Specialists in Hepworth, Reliable Local Company, Call Us on 01502 801021 Near Me. Hepworth Clay drainage pipes 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. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. • At a flow rate not exceeding 20 gallons per minute (1. Sort By. 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. HEPWORTH CLAY & TERRACOTTA: 1. Clay’s main benefits are its durability and longevity. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. 75 mtr/69" SP2. Clay’s main benefits are its durability and longevity. January . Products 30-56 Drainage 30-44 Underground Drain 30-31 Polycore and Polyrib Drainage 32 Access Fittings & Puddle Flanges 32 Anti-Splash Concrete Surrounds 33 Underground Drainage Adaptors 33 Settlement Fittings 33. 15 Ex VAT. 6m, Finish: Vitrified Clay, TSI Code: 9783506. 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. Weir Batley Esnek Contali Kelebek Vanalar 20110310 113221. All Unjointed products are manufactured to BS 65:1991. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. 00% Water & Sewer Pressure Pipeline Systems Pipes 20. With these professional price list designs from Canva, everything is immediately clear-cut for your buyers. 50Hepworth moved to Cornwall following the outbreak of the Second World War, where she co-founded the Penwith Society of Arts at the local inn. £14. Clay’s main benefits are its durability and longevity. Hepworth Clay Drainage Showing all 11 results SUPERSLEVE COUPLING £ 19. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. 5 litres per second). An exterior footing or drain tile installation costs $6,000 to $15,000. Clay’s main benefits are its durability and longevity. (0) $9 . Flexseal EPDM Moulded Bush Drain Pipe Adaptor Coupling More Options. 1. Our nationwide-network of over 40 branches and dedicated colleagues are ready to support your National, Regional and Local campaigns by offering value and outcome focused solutions -Hepworth UPVC - Free download as PDF File (. £3. 00% Water & Sewer Pressure Pipeline Systems Fittings 10. Poly & Pressure 1930. Clay’s main benefits are its durability and longevity. Vitrified clay pipes for drains and sewersHepworth SuperSleve pipes carry a lifetime jetting guarantee, jet proof to 7500 psi* please refer to current trade price list for details. Registered Office: Merchant House, Binley Business. Chemical resistance – Clay is inert, so is unaffected by any effluent approved for discharge into a public sewer. Location : Shed No 18, Dar Mx Roundabout, Ajman Industrial Area 1 City : AJM P. Conforms to the Harmonised European Standard: BS EN 295-1:2013 . Sheffield S36 4HG . Vitrified clay is a well-established material for use in below-ground drainage systems. SG3/1. Size: 100mmx1. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. AVK Philipppines Price List 2022-2023. 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). 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. Schedule Fittings 417. ₱64. Loading Classification for Covers and Frames: A15 = Equivalent to Class A15 load category of BS EN 124-1 2015 and BS ISO 15398 2012 (Areas which can only be used by pedestrians and. ACO Hexdrain Pro Channel Drain 138mm x 150mm x 1000mm - C250 Load. Hepworth Clay pipes and fittings can be used for the majority of drainage installations. 5 litres per second). 31 UK and Worldwide delivery. 1 COD0122 INTRODUCTION UPDATE NOTIFICATION 2. Chandlers Building Supplies is a leading provider of high-quality building materials and supplies for both trade and retail customers in the UK. 2 Meter. £2. Clay’s main benefits are its durability and longevity. 2 HVT13YPKM114 110 4 110 110. 2000 . Service you would expect from a trusted UK company. AED 18. 29%. Products are available in a range of colours. Only those subject to the CPR and manufactured on or after the 1st July 2013 should. 1 Introduction to Hepworth Clay 2 Premier and Premier Plus Stock ProfileLand Drain 4 SuperSleve HouseDrain 100mm 4 Premier Plus Stock Profile 5 SuperSleve 150mm. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. 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. See current trade price list for full details. 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. View trade pricing and product data for Hepworth - Clay, SG2/5 Grid, Spare, Clay, SuperSleve HouseDrain. Hepworth Clay Technical Handbook is a comprehensive guide to the design, installation and performance of Hepworth clay drainage systems. These inspection chambers are essentially access points to the drainage system that allow vital maintenance to be carried out. 50 incl VAT. How to create a price list. Telephone 0844 5561818 calls are charged at 7p per minute PLUS your telephone network will charge you which can be significant. 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). Osma Drainage. Catch basin storm drains from NDS. Product Standards and Specification Clause . 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. Our range includes products from the WT Knowles clay drainage range, Hepworth SuperSleeve House Drain range and the Hepworth SuperSleeve 150 range which are used in a variety of market sectors including Housing, Land and Field Drainage, Agriculture, Construction, Roads, Pathways and Parks as well as Sports facilities drainage. Clay is a future-proof material, 100% natural and 100% recyclable. Our unrivalled product range, national scale, and expert team deliver everything you’d expect from a business, that’s built on service. “With this landmark hospital set to open for patients in 2017, Hepworth Clay have been instrumental in ensuring the Royal Liverpool Hospital will have an underground drainage system that will offer long, reliable service to maximise NHS budgets and safeguard patients. Show on page. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Superior quality stormwater residential and commercial drainage systems. Show on page. 00 incl VAT. A drainage system costs $10 to $25 per linear foot or $1,000 to $4,000 for exterior yard and landscape applications, and $40 to $85 per linear foot or $4,000 to $12,000 for a basement or interior perimeter drain. View options. All pipes identified in the Hepworth Clay Drainage price list with the jetting logo are guaranteed for the system. BS EN 295-1 Hepworth Clay drainage pipes. Service you would expect from a trusted UK company. Precast Reinforced Concrete Pipe- Spigot and Socket Type: Internal Diameter: 250 MM. 28 Inc Vat. 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. £105. 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. Conforms to the Harmonised European Standard: BS EN 295-1:2013 . Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. 50 incl VAT. 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 a genuine ‘fit and forget’ high performance, drainage solution, Hepworth Clay is unbeatable. Follow these simple steps in order to create the perfect pricing guide. 5 (instead of 2. Register | Login. For irrigation, drainage and for cable ducting. 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). We are a tangible business with a trade counter, 1. 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. Sanitary Floor Sinks. 110mm Soil Pipe Bracket - Black. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. Wavin Osma is the reference for residential and commercial drainage systems. Yes. Terrain HDPE Pipe and Fittings Safety Data Sheet. Enquire now. SuperSleve products are suitable for foul and surface water drainage in adoptable, industrial, commercial and highway drainage applications. (August 2013 onwards) The specific DoP and CE mark details can be found and downloaded via the links below. List of 20+ HEPWORTH dealers, HEPWORTH brand agents & distributors in UAE. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. 75m. Download. Clay’s main benefits are its durability and longevity. correctly installed it has a lifetim . Transfer/Booster Pump Sets 2 products; ESPA 3 products; GRUNDFOS 9 products. Whether it’s domestic, adoptable, commercial or industrial drainage you are installing. web hepworth drainage pipe data 6 8 slotted pipe 9. 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.