Pipe and fittings shall have a minimum pipe stiffness of 46 lbs. 2m (4ft) from each end on wood blocking. 1" IPS SDR11 PE4710 Black Hdpe Pipe Straight Length Per Foot. 8. 27750 Industrial Blvd. I. Phone: (813) 627-1240 Fax: (813) 627-1299 back to search resultsAbout NAPCO Pipe & Fittings NAPCO, a Westlake company, is a leading North American polyvinyl chloride (PVC) pipe manufacturer. Uncover why NAPCO Pipe & Fittings is the best company for you. May 2016. HOUSTON-- (BUSINESS WIRE)-- North American Pipe Corporation (NAPCO), a subsidiary of Westlake Chemical Corporation (NYSE: WLK), today announced the launch of a new. Phone: (701) 258-9700 Fax: (701) 258-1452 back to search resultsJoin NAPCO Pipe & Fittings as we exhibit at Texas Water 2020 – Virtual this week!Our team will be showcasing our Municipal line of products including Certa-Lok…The company offers numerous pipe and fitting innovations that transform PVC water systems. BUY NOW Expand your Skills. 2, as applicable. HDPE Fittings – SDR11; HDPE Fittings – SDR17; HDPE Pipe – SDR11; HDPE Pipe – SDR17; Water Meters. Ask a question about working or interviewing at NAPCO Pipe & Fittings. /holman industries. Comes with one PVC Cleanout Adapter. Westlake Pipe & Fittings' AquaSpring™ C900 IB PVC Pipe is manufactured to meet the needs of modern municipal water, wastewater, and reclaimed water systems. Used for non-pressure drainage of sewer and surface water. Brochure. Hydraulic efficiency. Get the inside scoop on jobs, salaries, top office locations, and CEO insights. We’ve taken the superior performance and cost-saving benefits of PVC and created a truly innovative DWV system for high-rise and plenum applications, making installation faster, safer, and easier for you. 2. Galvanized pipes give you added protection from rust. 300 : 1. About NAPCO Pipe & Fittings. Reviews from NAPCO Pipe & Fittings employees about working as a Lead Operator at NAPCO Pipe & Fittings. With a specially designed Double Seal Locked-In (DSLI®) gasket, this is an extremely durable sewer pipe with a leak-proof joint. 2. HOUSTON, July 6, 2021 – North American Pipe Corporation (NAPCO), a subsidiary of Westlake Chemical Corporation (NYSE: WLK), today announced that it will acquire LASCO Fittings, Inc. Available in various lengths, sizes and fittings, our pressure pipe and fittings are durable and reliable. 15 30 45. UL/FM Valves. Quick View Mfr. 5% thicker than SDR35, and a superior, high impact, gasket retention ring. North American Pipe Corporation, which also operates under the name Napco Pipe & Fittings, is located in Newbern, Tennessee. HOUSTON-- ( BUSINESS WIRE )--North. Find out what works well at NAPCO Pipe & Fittings from the people who know best. Holman Industries (ABN29385212665) warrants product purchased through Holman Industries authorised sellers as referenced above section of PVC-U fittings offer a 12-month warranty from date of purchase. Pipe; Nominal Pipe Size 4 Inch; Schedule DR 14; Thickness 0. Wichita Falls, TX 16 reviews. 5 provide high strength and 150 psi stiffness. Underground PVC Pipe Fittings for Drain, Waste, and Vent. Learn More. 2. Multi-Fittings Corporation (44) 44 Products Multi-Fittings Corporation. Ferguson Waterworks is the nation’s leading supplier for all your waterworks, geosynthetics and stormwater, and water and wastewater management needs. This has made C-PVC a popular choice for water piping systems in residential as well as commercial construction. Westlake Pipe & Fittings does not recommend that piping systems that include its NAPCO’s ASTM D3034 Gasketed Integral Bell PVC Pipe product line is manufactured to meet the needs of modern municipal waste water systems, storm water drainage systems, and other non-pressure applications. 15. Uncover why NAPCO Pipe & Fittings is the best company for you. Pipe & Fittings difference. Our Pressure C. Holman 75mm PVC Stormwater Coupling (3) $4. 12 hours shift without a lunch break or 15 minute regular break. Your entered address is incorrect. Source: Uni-bell PVC Pipe Association. Broadest Offering in the Industry. 7. 2. Sewer and Drain (S&D) pipe; 6 in. North American Pipe Corporation (NAPCO), a subsidiary of Westlake Chemical Corporation (NYSE: WLK), today announced that it will acquire LASCO Fittings, Inc. Home / PVC Pipe - Water / C900 - DR14 / NATIONAL 8″ DR14 C900 BLUE PVC PIPE. 4″ –. New Products; Schedule 40-PVC; Schedule 80-PVC; Schedule 80-CPVC; DWV-ABS; DWV-PVC; Inserts; Heavy Turf; Pool/Spa; Nipples. “Our Pipe and Fittings business has grown substantially over the last few years, and we are. 075 : 2/1/15 . Fernco Catalogues. 15 30 45. Send Enquiry. Westlake Pipe & Fittings produces ASTM D2729 Solvent Weld PVC pipe in both solid wall and various perforated styles. Table of Contents (Continued) SUBJECT PAGE VII. To find PVC pipe OD sizes, you cannot simply add a certain amount to the size on the label. I am looking into deploying the Stormwater Data Management for ArcGIS Enterprise solution to migrate our stormwater utilities that are currently in the Local Government Information Model (LGIM) geometric network format to a utility network. 7 Management. Backhoes;. 2. 1-1/2″ X 2″ PVC Increasing Coupling NAPCO Royal. Janesville, WI 9 reviews. Fittings NAPCO carries a complete line of fabricated and injection moulded fittings to complement our Gasketed Sewer Pipe. Connect these fittings to thick-wall plastic pipe— they have thicker, stronger walls than standard-wall fittings, so they can handle heavy duty industrial plumbing and water supply applications, such as water processing, waste water treatment, and irrigation. The headquarters for NAPCO Pipe & Fittings are in 2801 Post Oak Blvd Suite 600 Houston, TX 77056. check all water connections see page 12 see page 23Key points. 2 Disposal. info@ holmanindustries . 4. 15. Lighting. 60. Marley manufactures a quality range of NZ made Stormline ® Stormwater uPVC Pipes and fittings from sizes 90mm to 375mm; Rated to SN4 and made to the AS/NZS1254 Standard; A compatible range of injection moulded fittings are also available from 90mm right up. With our Flow Management line, we offer a range of specialty fittings for the irrigation and pool & spa industries. Fax : 04-8833995. 200. Founded in 1992, NAPCO supplies a broad range of gasketed, solvent welded, and restrained joint pipes for a diverse range of markets, including. Westlake Pipe | Leading PVC Pipe & Fittings Manufacturer0. NAPCO Pipe & Fittings Announces Acquisition of LASCO Fittings, Inc. Conductors within a vent or shaft shall be of cast-iron, galvanized steel, wrought iron, copper, copper alloy, lead, Schedule 40 ABS DWV, Schedule 40 PVC DWV, stainless. SKU: BLK IPS 0100 DR11 020. D-SERIES: SOLVENT WELD DWV FITTINGS CERTS: ASTM D2665, F1866, F2135, CSA B181. Female Pipe Thread (FPT) connection fits 6 in. 15. Can also be used with 6" sewer and drain pipe and fittings and 4" corrugated pipe. Cast iron no hub and service weight pipe and fittings, PVC pipe and fittings in Sch40. 3. Welcome to our Technical Resources Library, designed with the needs of our engineer and contractor customers in mind. 775 . Waterworks Fax: (858) 391-5958. 2. It's this service that distinguishes IPEX in the marketplace. Visit our website to learn more about our Pop-Up Emitters. The maintenance department is a miserable department with high school clicks including management. 0 GPK PVC Sewer Fittings shall be manufactured in accordance with either ASTM D 3034, F1336 or F 679. Compensation/Benefits. . Gasketed Sewer Pipe - Leading PVC Pipe & Fittings ManufacturerBrowse PVC DWV Fittings in the NIBCO catalog including 4800 - Soil Pipe Adapter H x H - PVC DWV,4800-SD - Sewer and Drain Adapter H x SD - PVC DWV,4801 - Coupling H x H - PVC DWV,4801-2-7 - Trap Adapter Spg x SJ - PVC DWV,4801-2-7-C - Trap Adapter SpOur Reason is Water. Ask a question about working or interviewing at NAPCO Pipe & Fittings. au. connect, fill & flush boiler 4. Based on 69 reviews. For more. 00. The low profile coupling allows for quick and easy assembly without interrupting the pulling process. San Antonio. Compare pay for popular roles and read about the team’s work-life balance. 1. NAPCO Pipe & Fittings, a Westlake company. 56 Bruce Rd. Ask a Question. for pricing and availability. MediaRelations@Westlake. Westlake Pipe & Fittings ASTM D2729 Solvent Weld PVC Pipe product line is manufactured to meet the needs of residential waste water control; residential, commercial, industrial, and agricultural rain and storm runoff systems; radon remediation; and other nonpressure applications. 59. D Snap Polyethylene 8 in. Plastics Technology is a monthly trade publication that features technical and business information designed to improve plastics processing in North America. 2. Uncover why NAPCO Pipe & Fittings is the best company for you. HOUSTON, August 19, 2021 – North American Pipe Corporation (NAPCO), a subsidiary of Westlake Chemical Corporation (NYSE: WLK), today announced that it acquired LASCO Fittings LLC, a Brownsville, Tennessee-based, leading designer, engineer and manufacturer of injected-molded PVC fittings, from Aalberts, NV. US. The P-Series is an SDR35 solvent weld sewer fitting line developed with structural integrity for easy assembly. Gasketed IPS Drainage Fittings Class 160 (T-Series) T T1 - T6 LIST PRICE BOOK PVC FITTINGS DWV Fittings - Prices Effective July 1, 2021 - NEW Small Diameter Products Included Municipal Fittings - Prices Effective June 1, 2021 Electrical Fittings - Prices Effective June 1, 2021 NAPCO injection molded and fabricated NAPCO Pipe & Fittings anticipates starting production in January 2017 of materials in compliance with AWWA C900-16. Priced Per Foot. Brass Insert Fittings; PVC Insert Fittings;Tampa - Waterworks. White only for storm water connections. Where the public sewer is a combined system for both sanitary and storm water, the sanitary sewer shall be connected independently to the public sewer. ASTM Pressure Rating @ 73°F and includes. $35. Pros. Our community is ready to answer. . Ring Tite ASTM F 679 (T-1) Next Polymers Duraloc Green in colour. Check Other Stores. 1 Review. Hutto, TX 78634Applications. O. Bismark, ND 58501. About NAPCO Pipe & Fittings. Our offerings include ductile iron, HDPE, custom fabrication, Meter & Automation Utility Solutions and Treatment Plant & Design Build Solutions. 3. 2, UPC, NSF D 4" through 12" injection molded solvent weld Drain, Waste and Vent (DWV) fittings shall be. This unique coupled, restrained joint C900 pipe system is jobsite proven for decades and designed for trenchless applications with robust tensile strength for pulling multiple segments underground. 8. /in. Phone: (850) 216-2951 Fax: (850) 877-9732 back to search results12 in. 500". NAPCO’s AWWA C909 PVCO pipe offering is compatible with NAPCO’s C900 pipe and C907 fittings and accessories, and is manufactured to meet the needs of modern underground municipal potable water, wastewater and reclaimed water systems. 1. NAPCO, a Westlake company, is a leading North American polyvinyl chloride (PVC) pipe manufacturer. Compare. Part Number: P1406. 2. Based on 69 reviews. You're currently reading page 1; Page 2; Page Next; Sort: Set Descending Direction. Napco 27-XL Water Dispersible Pipe Joint Lubricant Page 2 of 2 Protective Clothing/Equipment: Wear chemically protective gloves to prevent prolonged or repeated skin contact. Zjistěte, co ve společnosti NAPCO Pipe & Fittings funguje dobře a co naopak ne, přímo od lidí, kteří to ví nejlépe. Westlake Pipe & Fittings, formerly NAPCO Pipe & Fittings, announces its new name to reflect the true value its customers receive from its extensive product portfolio backed by the brand equity of Westlake Corp. Through our innovative spirit, Westlake Pipe & Fittings is here to provide holistic. 9 Culture. Consistent Dimensions Provide Joint Integrity. Compare pay for popular roles and read about the team’s work-life balance. 4. Blue Brute fittings are injection molded and are even tougher than the pipe. 50. 3. US. Flexibility – The flexibility of PVC stormwater pipes allow them to cope with soil movements, subsidence and. Page. complete system piping. The new PVCO pipe features a lower manufacturing carbon footprint than other water main materials. Job Title. Highest Quality Materials for Long Lasting Performance. While IPEX Centurion ® is compatible with iron fittings, IPEX recommends the use of IPEX Centurion ® fittings exclusively with IPEX Centurion ® pipe. Exceeds requirements for national standards of ASTM D3034, ASTM D3212, ASTM F477 and more. x 14 ft. 2. Founded in 1992, NAPCO supplies a broad range of gasketed, solvent welded, and restrained joint pipes for a diverse range of markets, including municipal water and sewer, residential plumbing, water well,. Uncover why NAPCO Pipe & Fittings is the best company for you. AWWA C900. Material: Virgin PVC. Commonly used to transport water and natural gas. “We are pleased to. 2, as applicable. Installation requires the use of primer and solvent cement. D Hub PVC Long Sweep Elbow 1 pk. Deflection: The Pipe/Soil. Our wide range of drainage products and supplies collect, convey and retain stormwater throughout your yard to help prevent damage to your home, giving you peace of mind. NDS continues its tradition of innovation with the new patent pending Swivel-Fit variable angle fitting that combines two fixed fittings into one adjustable fitting solution. Certified to ASTM D3034 and CSA B182. Drawings. Use Calculator Well Casing Depth Calculator. 08 9416 9999. Westlake Pipe's Gasketed SDR 35 Sewer Fittings line is a fully-integrated SDR 35 fitting design using reinforced branches and intersections to enhance the structural integrity of the installation and provide long-lasting performance. This company really compensates there workers. 1. 83: 929 08* 8 napco pipe and fittings deflection coupling* $518. Once submitted, you'll unlock all. NDS continues its tradition of innovation with the new patent pending Swivel-Fit variable angle fitting that combines two fixed fittings into one adjustable fitting solution. 2020 NAPCO, a Westlae company All rights resered PI-TB-00-US-EN-0420. NAPCO Pipe & Fittings Management reviews in Wichita Falls, TX Review this company. Add to Cart. • Avoid any impact to the bell or spigot. destination address. All. Smoke & CO alarms. Sort by: 3/4" IPS SDR11 PE4710 Black Hdpe Pipe Straight Length Per Foot. The D-Series is a complete line of DWV fittings designed for use with Schedule 40 or DWV pipe applications. Not Available Online in Your Area. If you have any questions about whether a product is NSF certified or registered or about how to interpret these listings, please contact the NSF Certification Records Department at 800-NSF-MARK (800 673 6275) or (+1) 734 769. Gasketed IPS Drainage Fittings Class 160 (T-Series) T T1 - T6 LIST PRICE BOOK PVC FITTINGS DWV Fittings - Prices Effective September 20, 2021 - NEW Small Diameter Products Included Municipal Fittings - Prices Effective September 20, 2021 Electrical Fittings - Prices Effective June 1, 2021 NAPCO injection molded and fabricated Description. 4m (8ft) intervals, 1. Shop for Pipe Fittings at Ferguson. Beneficiați de păreri din interior cu privire la locurile de muncă, salariile, birourile cu locații de top și viziunile Directorilor. Outlet Boxes. 00. Safety Data Sheets for NAPCO products are listed below and available to download as PDF. Used for non-pressure drainage of sewer and surface water where extra heavy wall SDR 26 is specified. Features. 2. Charlotte Pipe Schedule 40 4 in. Compare. 2. 22. “Our Pipe and Fittings business has grown substantially over the last few years, and we are. Excalibur (4) 4 Products Excalibur. Click on a location for contact information. • Uni-Bell PVC Pipe Association. Polyethylene Pipe. North American Pipe Corporation (NAPCO), a subsidiary company of Westlake Chemical Corporation, welcomed LASCO Fittings and its team into the Westlake family of companies. ASTM F679/IB Gravity Sewer Pipe. 89. 3. Testing Plant Testing 3-Edge Bearing Test (ASTM C497) 23. $215. Use to drain excess water and direct it to a more water safe area such as a curb or gutter. 1:21 - Plastic drain and sewer pipe and pipe fittings. National. PVC well casing and drop pipe have gained broad acceptance since their introduction almost 40 years ago. Fuses. Wall Plates. Certa-Set®. 61. Operator 3. Open surface area 28. Multi-Fittings Corporation (139) 139 Products Multi-Fittings Corporation TRENCH TOUGH PLUS (130). Swan Plastics (Pty) Ltd is a leading manufacturer of PVC and polypropylene water reticulation and drainage pipe and fittings systems. ADS HDPE Corrugated External Snap Tee Black 6 in. Learn More Municipal Systems Certa-Lok ®, AWWA and ASTM potable water and sewer solutions for connecting communities. Loading Chart. ICONIX Waterworks provides the products and services to take your project from start to finish. Find out what works well at NAPCO Pipe & Fittings from the people who know best. 1 General. 552. Ferguson is the #1 US plumbing supply company and a top distributor of HVAC parts, waterworks supplies, and MRO products. 1 Product identifier: NAPCO ROYAL PIPE & FITTINGS PIPE LUBRICANT NAPCO is now Westlake Pipe & Fittings. 0 out of 5 stars. Contact lenses are not eye protective devices. Contact: Chip Swearngan. 0087. Employees: 250-1000. 2 Avoid compression, deformation or damage to bell ends of the pipe. Location. SHORT TERM SPECIFICATIONS 4" through 12" injection molded solvent weld Drain, Waste, and Vent (DWV) fittings shall be manufactured in accordance with ASTM D2665, F1866, F2135, and CSA B181. NAPCO offers a broad range of standard and specialty piping and fittings, including. Plumbing Phone: (619) 596-5600. 5° stormwater elbows m & f vinidex. Service Items. Extrusion is the worst area to work in at Napco. You have known us in the past as NAPCO Pipe & Fittings along with a number of other legacy brands and now we are redefining our business to directly reflect the true value you receive as a vendor backed by the brand equity of Westlake Corporation, a Fortune 500. Charlotte Pipe 3 in. 1 Store the pipe at the site in bundles. UNSPSC: 40171708. Specifications & Support. AquaSpring™ C900 IB PVC Pipe. 3. D1784. Vinidex prides itself on manufacturing a comprehensive range of quality PVC pressure pipes and fittings, using only the finest. Gasketed Sewer Pipe SDR 35/26. Includes 3 side panels and 1 lid. An industry leader of high performing, durable pipe built to provide you with innovative stormwater management solutions. Maximum Working Pressure : 16 bar ( 1600 kpa - 230 psi) @ 20°c. 148 : 14. 133). Product Details. Work/Life Balance. Získejte náhled zevnitř na nabídky práce, platy, umístění kanceláří či názory na výkonného ředitele. NAPCO is the largest generic manufacturer of open coil electric heaters for after market clothes dryers and electric furnaces in the USA. Below are dimensions for three sizes of. Appurtenances & fittings must be compatible with the pipe size. Harco's unique gasket design allows for travel in both directions, making it as easy to slide the coupling back. Our gasketed sewer pipe has a specially. 3. The right way to assemble a threaded PVC joint-Schedule 40 or 80 is finger tight plus one to two turns-no more. Resources Product Specs. Product Overview. See SiteOne's gallery of drain pipe supplies for landscaping. 13. Skip to main content Select your region and preferred language. Overall rating. Pipe, tube, and fittings conveying rainwater shall be of such materials and design as to perform their intended function to the satisfaction of the Authority Having Jurisdiction. Description. Determine which NAPCO well drop pipe solution works for your project, from flow rate to electrical cable weight. Westlake Pipe's IPS Gasketed Drainage Fittings line is a fully-integrated IPS drainage fitting designed for long-lasting performance. Protecto 401 Lined Pipe and Fittings; Glass Lining (Porcelain Enamel) Fusion Bonded Epoxy (206N) Fusion Bond Epoxy 134; International (Spanish / Metric) TYTON JOINT Ductile Iron Pipe International; TR FLEX Restrained Joint Pipe – International; HP LOK Restrained Joint Pipe and Fittings – International; Ductile Iron Flanged Pipe & Fittings. Ask a Question. Connects to 6 in. NAPCO is now Westlake Pipe & Fittings. Gasketed Pressure Fittings (C-Series) DR 18 (Class 150) Fabricated in Sizes 10" – 36" Certification. NAPCO’s AWWA C909 PVCO pipe offering is compatible with NAPCO’s C900 pipe and C907 fittings and accessories, and is manufactured to meet the needs of modern underground municipal potable water, wastewater and reclaimed water systems. 3. 2. /holman industries. Fernco ( PDF 2. Charlottesville, VA 22902ABOUT NAPCO NAPCO, a Westlake company, is a leading polyvinyl chloride (PVC) pipe manufacturer in North America. Holman 90mm PVC Stormwater Slip Coupling (30) $3. Both innovative and cost-effective, StormTech is one of the most revolutionary stormwater products in the world. Brochure. “As Westlake Pipe & Fittings, we are refining our collaboration with. July 6, 2021. Ductile Iron Pipe – (WATER) PVC. • 18” (450 mm) and smaller pipe can be moved by hand. Economical. Our community is ready to answer. Phone: (703) 375-6820 Fax: (703) 435-1662 back to search resultsNAPCO Pipe & Fittings welcomed LASCO Fittings and its team into the Westlake family of companies. Rainwater from roofs and storm water from paved areas, yards, courts and courtyards shall drain to an approved place of disposal. A lightweight solution for plumbing, power threading and more. Customers can expect the same quality PVC pipe, now with one less product standard. IPEX Inc. Rehau Municipex ( PDF 470KB) Ipex – Blue 904 ( PDF 290KB) Ipex – Gold Stripe ( PDF 330KB) Great Lakes Copper ( PDF 0. This job does not offer much time to spend with your family. This cost-effective, easy-to-install heat-fused dual wall PVC pipe features a corrugated exterior wall that provides greater stiffness and limit deflection. wall mount the boiler. com. 552. Atrium grates are ideal for planter beds, mulch areas, window wells, and areas prone to debris collection. All fittings are individually fabricated to exacting quality standards at our modern production facilities. Add to List. July 06, 2021. High strength. Clear. 2Reduction in pipe size in the direction of flow. NAPCO Welcomes LASCO Fittings into the Westlake Family ». NAPCO is not responsible for damage to mishandled. 250" thick. Ultimately, our goal is to achieve Net Zero Carbon emissions by 2050. 1. Get the inside scoop on jobs, salaries, top office locations, and CEO insights. 2. 1 AWWA C900/IB PVC Pressure Pipe | Gasketed Integral Bell ü Ï Ï NAPCO-SPECIFIC GUIDELINES ON PIPE JOINT ASSEMBLY 1. PVCO is now available in sizes ranging from 6 inches (150 mm) to 12 inches (300 mm) and. All fittings are individually fabricated to exacting quality standards at our modern production facilities. Price. • ASTM F679. Brand: NAPCO Stock Availability: Stocking Item. NAPCO 16″ DR14 C900 CERTALOK BLUE PVC PIPE $ 189. Copper Pipe. Enviro-Tite ®, available only in Canada, has a minimum recycled material content of 50%. By using this site, you agree to the use of these cookies. 37: 929 10* 10 napco pipe and fittings deflection coupling* $1,302. Work/Life Balance. Use of this site is subject to certain Terms and Conditions. NAPCO’s C900 PVC fittings are designed to be used with engineered joint restraints or concrete thrust blocking. Founded in 1992,. 2. Gasket Plastic Drainage Pipe. This sewer pipe weighs a fraction of traditional pipe products and can service gravity storm and sanitary lines, gravity industrial lines and private drain connections. Multi-Fittings Corporation 6 in. Products & Services : Pipe Manufacturers, Machine Shops, Marine and Offshore General Services and Contractors, Oilfield Supplies, Pipes and Pipe Fittings, Steel Stockholders and Merchants, Structural Steel Products, Tubes and Tube Fittings. Aflați ce funcționează corect în cadrul NAPCO Pipe & Fittings de la oameni care știu mai bine. Pipe & Fittings Canadian National Price List List No: P-GVS6590-PLV10 Effective: January 6, 2020 Replaces: January 2, 2019 Rated For Maximum Flue Gas Temperatures of 65 C and 90 C. with compressed air or gases. , Inc. C • Fabricated from DR18 Class 150 pipe for pressure applicationsDescription. 3. quality units, underground detention/retention systems and geotextile fabrics, pipe coupling systems, press fittings, copper pipe and fittings, PEX pipe and fittings. With thinner walls than Schedule 40 fittings, these are lighter in weight and have more space on the inside for high-flow applications, such as underground gravity-flow sewer and storm drainage lines.