ultra-heavy duty cast-iron trench drain. 6902M2 Heavy Duty Cast Iron 10″ x 24″ x 2″ Grate. ultra-heavy duty cast-iron trench drain

 
6902M2 Heavy Duty Cast Iron 10″ x 24″ x 2″ Grateultra-heavy duty cast-iron trench drain  $4

Load Class E Grate design load of at least 134,800 lbs per foot. Josam offers Trench Drains and Channel Drains in SMC/GRP, Stainless Steel, Cast Iron, and HDPE. Pro trench drains differ from Basic PolyMax trench drains in the features that allow for higher load classes. Browse the Dura Trench selection of 14" wide trench drain grates for 12" wide trenches and basins. Heavy Duty Cast Iron - Widths from 8" to 20" - Length 24" Home » Manufacturers » EJ (East Jordan) » V7380 Series ADA Trench Drain Grate. These durable channels are generally coupled with heavy duty ductile iron grates. Heel Proof and ADA compliant. NEW Commercial Trench Drain 4 Inch Wide - Ductile Iron Slotted Grate Commercial Grade High Quality SMC-GRP Material This Complete Trench Drain Kit Includes: 1 -. The new, revolutionary BG-FILCOTEN® one trench drain is a good example of channel and grating cast in one piece – for the first time made from the most innovative material on the market: BG-FILCOTEN® HPC (High Performance Concrete). SKU: SD300 Category: Trench Drain Kits Tags: trench drain kit, trench drain, 8" Size: 8"Manufacturer: Swiftdrain Grate Materials: Cast Iron, Ductile iron. trench drain with heavy-duty body sections and integral anchor flange, heavy-duty loose-set grates and bottom outlet inside-caulk connection. Plastic Pipe & Tubing. BG Galv Ductile Iron Bar. The pre-sloped commercial trench drain line is offered in 2″ , 4″ , 6″ , 8″ , 10″ , 12″ , 18″ , 24″ , 36″, and 48″ widths. FD-4100. 75" wide reveal trench drain system with heavy-duty. Each individual grate weighs 49 lbs each. Specs and Installation. $ 55. Add to basket. We also have three fabrication material options: stainless steel, galvanized steel, and cast iron. Sidewalks and residential parking: safe load 2,000 – 4,000 lbs. JAY R. Extra Heavy Duty Z503, Z516, Z541, Z610, Z645, Z662, Z664, Z668, Z673, Z675, Z676, Z679. PowerDrain is available in 4” (S100K), 8" (S200K) and 12” (S300K) internalNeenah R-8401 Cast Iron Bollards; Neenah R-4937 Floor Drains; Neenah R-8700 to 9000 Series Tree Grates; Neenah Extended Catalog;. P6-BG Galvanized Ductile Iron Cast Bar Grate - Class C 154. Channel slopes can also be adapted to fit any. Manufacturer EJ. Decorative cast metal area drain grates 3. Whether you’re looking for replacement cast iron trench grates or a newly installed. Steel will also stand up to the wear of many feet. Ideal for residential, commercial and industrial applications: Driveways. Description ; Additional information ; Specifications ; Description. 7 /5 · 10 reviews · "good. Light Duty 5300 Series; Standard Trench Drain Grates 1" to 12" Wide;. Heavy Duty 5. Part #R4990-1536 4. For extra heavy-duty use or superior durability requirements, see our ductile iron Airport and Port Grating Series on page 286. Features: Zurn Z806 6″ wide pre-sloped poly trench drain. Manufacturer: TDS. is a leading foundry for municipal and industrial cast iron trench grates. 4‐1. The Polycast 700 features 6. 5″ thick grate (grates not included). V5600 and V5700 Series Square Grates and Covers. Or call us at 888-825-4716. Cast Iron trench drain installation. Made in USA. The Dead Level ® Trench Drain is uniquely designed to install and perform like no other trench drain system. 00. However, there is a specific trench drain material that is the most suitable for an application, and in this article, you will find out. For use with hard wheel forklifts and other heavy Vehicles. B. Regular Joe 24″ x 48″ heel-proof, heavy-duty trench grate (arrayed as a grated walkway), raw cast iron. The Industrial Company for Castings (Saudi Cast) was established in Riyadh, Saudi Arabia in 1972, as an iron and steel foundry, specializing in the production of manhole covers, roof drains, floor drains, and mechanical castings. Galvanized Steel. 10 sq. —galvanized steel, plastic, or cast iron—we offer 3 different load classes: A, B, and C (from. Best Seller $ 169. Single Oven Gas Range with 5 Burner Cooktop and Heavy Duty Cast Iron Grates in Stainless Steel by Cosmo. It’s often during periods of heavy rainfall that a drainage system is really tested. I. U. Slip joints for fast and easy installation. 76000 – Trench Drain: 6" Wide w/Heavy-Duty CI Grate per Section (Outlet=9"L, Ext=15"L) 76000-1 – Trench Drain: Super-Flo 6 inch wide, Rectangular with Nikaloy Top. This grate has two (2) bolt-down holes (bolts not included). You’ll find 4”, 6”, and 8” metal channel drain grates to fit perfectly with our compatible trench drains. Our extra heavy-duty airport and port castings are exclusively manufactured to support the loadings imposed by all commercial and military aircraft. Chat now. Load Class C / H-20 traffic rating. B. Jay R. Made in USA. Airport Extra Heavy Duty. £58. 932. Heavy Duty Ductile Iron Frame and Grate. These linear drains are made up of primarily channels, end caps, end outlets,. While plastic is one of the cheapest materials to make a trench drain out of, it's not as durable as the others and is prone to wear and tear. 00. Free shipping on many items | Browse your favorite brands | affordable prices. Swiftdrain 300 Trench Drain. Generally, the trench drain grate is 2″ larger than the channel drain throat. All raw gray iron grates begin to naturally rust with exposure to any form of moisture and will appear bright orange before settling to brown. If you do not need to add more, proceed to "ADD TO QUOTE". Light Duty 5300 Series; Standard Trench Drain Grates 1" to 12" Wide;. coupled with a heavy-duty latching mechanism. This Extra Heavy-Duty DG0653D Ductile Iron Catch Basin Grate is a great replacement for any 24″ x 24″ catch basin grate! This slotted grate measures 23. 69″ width and a length of 23. Looking to create a trench drain system with these grates?8 Inch Wide Heavy duty frame and grate for industrial applications. PVC, ABS or cast iron heavy duty shower drain. Specify end pieces, if required. Light Duty 5300 Series; Standard Trench Drain Grates 1" to 12" Wide; Large Trench Drain Grates 13" to 51" Wide; More Replacement Grates;. Buy it with. Shop by Item. Street curb inlets drain into a large rain garden/bioswale. Airport construction castings must sustain the loading requirements. Heavy Duty DIN 19580 Load Class C: 56,000 lbs - 1,162 psi. recesses in the iron grates fit round lugs on the edge rail, preventing movement and shifting. Frames are available in 24" Cast Iron or Steel Angle. Additional information. com 514. Extra Heavy Duty Ductile Iron Grate. Bottom ‘ leveling feet’ can be ground for proper height adjustment. 5″. ACO Infrastructure Surface drainage systems for roads, bridges and airports. Orca drain comes in 100, 200 and 300mm clear opening with different depth option. Surface Drainage & Channel Drain Products. 6% built-in slope that offers flow rates of 470 GPM. 1 - Bottom Outlet. Grate Only. 1M. is a leading manufacturer of quality engineered plumbing and drainage products in the non-residential construction industry. Heavy Duty Cast Iron USF 6515-2 Frame Rails 1. Polylok Heavy Duty 4′ Trench / Channel Drains. REGULARLY FURNISHED: Duco Cast Iron Flanged Body Outlet Section A and Flanged End Plate with Cast Iron Anti-Shift Loose Set Medium Duty Square Hole Grate. Find a Sales Representative. The EJ6950 frame has low-profile anchors built in to help lock it. 14 in. $10. Trench Grate: Rectangular 12" X 24" Heavy Duty C. Product ID 6956M2. Features & Benefits * Dura-Coated cast iron body with cast iron, polished bronze, or polished nickel bronze top available. Cast Iron trench drain installation. System: Frame and Grate, Trench Era. There are a few things to consider when choosing a trench drain for your property. Shop for Trench Drains at Ferguson. XHD grates provide the largest inflow area available in cast grates for 8″, 12″, and 18″ trenches while still far exceeding all FAA load ratings. 6" Polycast 700 Polymer Concrete / Heavy Duty Frame Kits;Animal and Zoo, Chemical and Hygiene, Commercial, Driveway Drainage, Greenhouse, Industrial, Municipal, Patio, Pool and Spa, Poolside, Residential, Transportation. 1 - Outlet End Cap. HIGH CAPACITY TRENCH DRAIN SYSTEM SLOTTED DRAINAGE SYSTEM 22 Z889-12,-18 HIGH CAPACITY CLEANOUT PORT 22. a wheel let alone a full axle, so usually these H-20 rated grates offer more than enough strength. NDS Drainage Channel Grates are durable, decorative and compatible with all of our channel and trench drain products. Bulk Pricing. Price $442. 76010-1 – Trench Drain: 12 inch Wide Rectangular with Nikaloy Top. Close. Selection of Top Material–(Unfinished Areas)–Drains located in heavy traffic areas should be specified with heavy duty cast iron grates. The 2″H x 48″L frame holds a 1. System: Frame and Grate, Trench Era. TYPICAL TRENCH SECTION C. channel made up of Innovative SMC/GRB Material. Made in cast iron. More Trench Drain Grates By Manufacturer. £14. Replacement Grates for all Manufacturers. cast iron Class B Grated. (Actual dimensions: 14″ x 23. With our BG-FILCOTEN® pro V channel, you don’t have to compromise on quality or durability. (250 kn). Polylok Drains meet and exceed the ADA American Disabilities Act of 1990; Section 4. Heavy Duty 8″ x 24″ x 1. Jones Stephens has built its reputation over the years as a leader in the plumbing industry, providing the market with thousands of products to complete any project. Wd. GATIC® Access Covers. Specification Sheet. TrenchFormer XHD’s patented cast-in-place trench. Round Cast Iron Grating; Grate Seating & Styles; USF Pipe Grates 5600-5625; Steel Grating; General Info; Endwall Grating F. 4" Ulma MultiV 100 Polymer Concrete / DI Edge Kits. Depths from 4. Features & Benefits * Dura-Coated cast iron body with cast iron, polished bronze, or polished nickel bronze top available. The first of its kind – and the. Light commercial shower floor drain. They are easy to install, durable and cost effective. Galvanized Lock Hardware for the Grates. Phone Number. They meet all the relevant regulations, standards and legislation. 37830 – Floor Drain: 12-1/4" X 12" C. Heavy Duty Ductile Iron Frame Grate:Ductile Iron . Many options are available to meet demands for heavy duty to light commercial applications. Extra Heavy Duty. Cast iron trench drain grate. Rated for DIN load class F. intuitive design. Product ID V-7301. Cast iron grates are governed by AASHTO M105 class 35B or ASTM A48 Class 35B. 04/27/15. Square frp trench cover. For CommercialA molded fiberglass with ¾ inch opens built on a 1. Roof Deck Indirect Waste ReceptorNeenah R-8401 Cast Iron Bollards; Neenah R-4937 Floor Drains; Neenah R-8700 to 9000 Series Tree Grates;. Top w/Hinged Latching Grate & Bucket. One-Piece Ductile Iron Grate and Frame offered exclusively by TDS, for Heavy Duty Applications, Load Class F, H-20, with four (4) integral cast lugs for permanent and secure anchoring. Width: 8″. Product information . When used with the optional ductile iron frame, the cast and ductile iron grates provide a Class D load rating. These systems are ideal for loading docks, parking lots, roadways, airports, areas with forklifts or tractor trailers and anywhere where. Swiftdrain's commercial grade trench drains include the 100, 200, 300 supreme polymer concrete trench drain. Neenah R-8401 Cast Iron Bollards; Neenah R-4937 Floor Drains; Neenah R-8700 to 9000 Series Tree Grates;. Submittal: EJ V7304 Grate. Swiftdrain Brewmaster- Stainless Steel brewery trench drain. System: Frame and Grate. Dura Trench can help with roadway and highway channel drain systems. HAURATON offer a range of ultra heavy duty drainage channels designed to withstand the demanding environments of heavy duty applications. Floor Drains & Channels (Trench) Floor & Area Drains FD-340-Y FD-340-Y-4. Grate Width: 10 inch. Shop this Collection. Trench drains placed where traffic will be on the grates or where fork truck traffic is possible should have a heavy duty frame to protect the top of the channels. The 10 in. 80 Foot Zurn Z886HD Trench Drain Kit Complete. Typically used on a 4″ wide prefabricated trench drain or 4″ wide catch basin. When removing covers, do not mix or rotate 180. SKU: DL-J4221-01 Categories: Animal & Zoo, Class D, Commercial, D & L Foundry, Drain Grates, Driveway Drainage, Ductile/Cast Iron, Gray Iron, Industrial, Load Class,. Arrayed as trench/curb inlet grates. Concrete and HDPE systems available. USF 6100. Configure. Neenah R-8401 Cast Iron Bollards; Neenah R-4937 Floor Drains; Neenah R-8700 to 9000 Series Tree Grates;. Max. Gray cast iron used in the manufacture of trench grating or solid covers and frames shall conform to ASTM A48-83 CLASS 35. Drainage systems are the backbone of a clean and healthy city, society or home. Most storm drain grates are made from cast iron, for both strength and resilience. Installing driveway drains alleviates standing water that causes siding to rot and damage to foundations. We have trench drain solutions that: Comply with 2013 California Building Code 403. The USF 6515 frame has low-profile anchors built in to help lock. ADA Compliant. Lite Line Trench Drain; Return to All Products WARNING: Cancer and Reproductive Harm - Learn more about this warning. 32 Concrete Tanks & Pump Wells 34 ‘ULTRA’ Access Covers 35 Detention Tanks – Single Valve 36 HCP Uni Valve – Stormwater Detention Tanks 37 Septic Tanks – 3,500 Litre 38 Septic Tank installation Guide 39 1,500 & 3,000 Litre Triple Interception. Z874-U-XX-HD HEAVY-DUTY UTILITY TRENCH WITH STEEL FRAME AND DUCTILE IRON SOLID COVER 8. 7 out of 5 stars 224. Josam's Pro-Plus range of new generation trench drains utilizes the benefits. If you use neutral (non-sloping) channels be aware of what it does to the flow capacity of the system. MEALINE S Drainage Channel with Galvanised Slotted Grating 1m - A15. Both 12" [305mm] long outlet module and. This metal is often used in construction for its material properties. Manufacturer:. Product Details. DESIGN: Munoz. Modular Channel with Slope in Smooth HDPE. 5″H x 24″L frame holds a 1. 25″ (OD) 16 ga stainless steel channels feature a built-in 1. Square bottom bodies have flanged ends to connect to each other with a. Replacement grate for: Vulcan V-7301 East Jordan 6951 among others. Trench Drain: 12" Wide X 15" Section w/Heavy-Duty Cast Iron Grate. 5 ea 80" Section of Heavy Duty Ductile Iron Frame. Narrow Heavy Duty Modular Trench Drains ; From The Brand Name: Jay R. S300K ADA. 11 1/4" W X 24" L X 1 1/2" D. Features & Benefits * Dura-Coated cast iron body with cast iron, polished bronze, or. FREE delivery Wed,. H-20 Load Rated. Channel Options. 2 - Solid End Caps. The weight is 2. They prevent the flooding of driveways, roads, warehouses, parking lots, and laneways—any open space that can collect large amounts of water. Each individual grate weighs 60 lbs each. Galvanized Lock Hardware for the Grates. At Josam, we offer quality engineered plumbing and drainage products. Model Options. General Foundry GF 21424. Both 12″ [305] long outlet and extension modules are complete with. Heavy duty fiber reinforced concrete trench drains in 5", 8", 12" wide. Please specify solid when ordering. Grate Height. Zurn Z886-HD 6. 2 - Solid End Caps. Selecting the grate. Most Versatile: Stargazer Cast Iron Skillet at Stargazercastiron. 5/16" x 3-1/2" cast iron grate slot openings, 1-11/16" x 1/4" bronze grate slot openings, secondary loose-set dome strainer and bottom. A trench drain is a linear drainage application used to catch, collect and convey water from a starting location to and an outlet or catch basin. Specification. 6 yrs CN Supplier . Cast Iron Trench Drains. Email. 5. Additional information. Pedestrian traffic only: safe load < 2000 lbs. All grates can be bolted to frame. Description. US Foundry 6454 Heavy Duty Cast Iron 14" x 24" grate has bottom leveling feet that can be ground for proper height adjustment. K200 has a galvanized steel edge rail for general use. 37820 – Floor Drain: Cast Iron with Square Top, Heavy Duty Grate. Trench Steel Grating High strength factory supply cast iron trench drain grates $24. Plastic Pipe & Tubing. Hubbell’s Polycast 700 Series is the logical trench drain choice for heavy-duty applications with constant fork trucks or heavy equipment. Smith Mfg. Reliable accessory for plumbing projects. If you use neutral (non-sloping) channels be aware of what it does to the flow capacity of the system. Both 12" long outlet and extension modules are complete with integral seepage pan and loose heavy-duty slotted heel-proof grating. Polylok Drains are a practical and cost-effective solution anywhere runoff needs to be controlled or captured. View all Stegmeier Pool and Deck Drains. EJIW offers grates for a wide range of applications from pedestrian areas to loading ramps at airports. It has a 1/2 horsepower motor protected by a durable cast-iron and epoxy-coated steel frame, pumping 5,100 gallons of water per hour. Each individual grate weighs 50 lbs each. Trench drain grates are categorized by size. H-20 is sufficiently heavy duty for part of a truck wheel, since. Material Minimum Thickness, mm (in) Aluminum (sand cast) Aluminum (die cast) Aluminum (extruded) Bronze Nickel‐bronze Cast iron Ductile iron Stainless steel (cast)Cast Iron; PRO-PLUS® TRENCH DRAINS; Push Fit; Stainless Steel;. josam 76700 series coated cast iron 12" x 24" rectangular heavy-duty sectional trench grate. Bottom ‘leveling feet’ can be ground for proper height adjustment. Zurn Z520 / ZN520 9" [229mm] Adjustable Heavy-Duty Area Drain Features &amp; Benefits: Dura-Coated cast iron body with cast iron, polished bronze, or polished nickel bronze top available Provides installation and rework savings with Zurn’s patented contractor solutions Engineering Specification: ZURN Z520 / ZN520 9" [2These ductile iron slotted grates are totally adapted to ultra heavy-duty class F trench drain applications, such as airport traffic for instance. Glass Reinforced Polyester (GRP) & Plastic Trench Drains. NDS Dura Slope is a 6 5/8" wide, 48" long trench drain system with a built-in slope of 0. Heavy duty sloped trench drain system ideal for applications requiring the most rugged product. shop@trenchdrain. Channels are pre built with a 1% slope. Regular price from $173. Literature. Additional information. drains, grates, and surface water management solutions in the industry. Josam offers Trench Drains and Channel Drains in SMC/GRP, Stainless Steel, Cast Iron, and HDPE. 00 (65) Model# 400-10RTL. Model Options. Cast Iron Fittings & Flanges. Concrete trench covers. Due to the weight of this product, expect higher than normal shipping costs. Free of halogens, asbestos, and toxic heavy metals; Recyclable; Complies with UL 94 HB Fire Rating;. Dura Trench is a trench drain manufacturer offering a complete line of heavy duty, commercial trench drain systems. The 1. Trench hdg grate. Steel frame and cast iron grate. Designed for maximum performance efficiency, durability, ease of installation and conformance to code, Smith products are “Brands Built to Last†!Neenah R-8401 Cast Iron Bollards; Neenah R-4937 Floor Drains; Neenah R-8700 to 9000 Series Tree Grates;. 6902M2 Heavy Duty Cast Iron 10" x 24" grate has bottom leveling feet that can be ground for proper height adjustment. Specs and Installation. 75% Built in Slope - Handles Greater Flows, Uniform Shape. Free area of 23. 4. When it comes to Ductile Iron Floor Drain Grates, you can count on Grainger. Completely customizable forming sections allow designers to select the width, depth, shape, and slope for any specification and project conditions. Residential . Price $717. 12 1/8” (308) WIDE REVEAL TRENCH DRAINS Note: Apply sealant provided between each section and end plate prior to assembling. The new, revolutionary BG-FILCOTEN® one trench drain is a good example of channel and grating cast in one piece – for the first time made from the most innovative material on the market: BG-FILCOTEN® HPC (High Performance Concrete). Options. Light Duty 5300 Series; Standard Trench Drain Grates 1" to 12" Wide;. 5-inch Wide Heavy Duty Galvanized Iron Trench Drain Grate $ 102. UPC 808416092417 Ultra-Grate Lifter Carrying Case (Part #9241) WARNING: Part #9234 can expose you to chemicals including nickel which is known to the state of California to cause cancer. When renovating, cast-iron topped trench drains still need to be installed into new-poured concrete. The Channel and Trench Drain system is engineered to deliver the most flexibility in a heavy duty design. 5445 sales. Class F Load. Light Duty 5300 Series; Standard Trench Drain Grates 1" to 12" Wide; Large Trench Drain Grates 13" to 51" Wide; More Replacement Grates;. Literature. SKU: EJ 6902M2. Dimensions 8″ wide x 24″ long x 1. These linear drains are made up of primarily channels, end caps, end outlets, grates, catch basins and some other installation accessories. 37810 – Floor Drain: 12" Square Top w/Heavy Duty C. makes a wide variety of heavy duty and extra heavy duty trench drain grates and covers. Zurn's Linear Trench Drains are engineered to deliver structural strength, while being lightweight. Heavy duty sloped trench drain system ideal for applications requiring the most rugged product. I. Heavy Duty Cast Iron Trench Drain Covers Widths from 8" to 51" Length 24" Depth 1 1/2" and 2" and 2 1/2" Depth depends on Width . Customers often ask us how long it takes for cast iron to mellow out to the brown patina typically seen in most parking lots. The Swiftdrain 600 is a best in class pre sloped 6" wide trench drain system. However, trench drains are made with heavy duty materials such as stainless steel, which gives. Last Name. Bolted trench sections are furnished in 24” standard lengths. 00. 3M) 6. Grate Height: 1 1/2 inch. 4. Options-ARE: Acid Resistant Coating on Cast Iron Parts-7: Ductile Iron Grate-VP: Secured Grate, Vandal-Proof Screws-70: Sediment. Micro-mesh can be made with or without a slip resistant coating. Orca also offer a wide range of grating finishes to suit channel including stainless and galvanized heelsafe grating, heavy duty ductile grating to suit all your applications. 6" wide pre sloped trench drain system. 156 in. is a leading manufacturer of quality engineered plumbing and drainage products in the non-residential construction industry. Composed of cast gray iron meeting ASTM standards for heavy-duty use and sold raw, it will develop a protective natural patina over time. Airport Ultra Heavy Duty Assisted Lift: ERMATIC MODULAR ACCESS COVERS. 4. Neenah R-8401 Cast Iron Bollards; Neenah R-4937 Floor Drains; Neenah R-8700 to 9000 Series Tree Grates;. pre sloped channels extendable to 180' of slope. 5″ x 1. 00 - $1,020. Neenah Foundry has been the market leader for decades with the widest market variety & outstanding durability for water drainage. Shop online or call 610-882-3630. View More Details. 0 /5 · 8 reviews ·. Josam. 5″ x 24″. Component #1. Compare. 5″ frame. Smith. Larger and for heavier duty, these trench drain grates range in sizes from 13" wide to 51" Wide. Neenah Foundry produces cast iron trench frames and inlet solutions with appealing aesthetics, exceptional longevity, and low maintenance. R-4999-FX 20" bolted neenah trench drain grate. MIFAB, Inc. Express Drainage; Shop by Item. Ferguson is the #1 US plumbing supply company and a top distributor of HVAC parts, waterworks supplies, and MRO products. Heavy Duty. The PRO-PLUS® Trench Drain System is lighter, stronger and expands and contracts in extreme temperature ranges less than polymer concrete, polypropylene, and HDPE. HAURATON offer an extensive range of surface water drainage systems that accommodates any environment from logistic facilities to public squares. to. This grate is strong enough for commercial trench drain use in parks, shopping centers, churches, universities, sidewalks, urban areas, landscapes, driveways. Description. Gray Iron heavy duty grate that measures 14″ x 24″ x 2″. Its chemical charac ter istics make possible a degree of corrosion resistance far superior to that of cast iron. With over 75. Trench drains are offered in 2″ , 4″ , 6″ , 8″ , 10″ , 12″ , 18″ , 24″ , 36″, and 48″ widths. The best way to ensure a worry free monsoon is to install trench drain systems that e ffectively remove surface water run-off. FD-4130. 10 in. Neenah Foundry manufactures a wide variety of beautiful cast iron tree grates and. These drainage channels are available as pre-sloped or neutral depending on the needs of the application. Neenah R-8401 Cast Iron Bollards; Neenah R-4937 Floor Drains; Neenah R-8700 to 9000 Series Tree Grates;.