| | IPS Brass Spud with Square Strainer The IPS Brass Spud has a square strainer built in at the end. It connects tightly to pipes, sinks, faucets, and other parts using threads to stop water leaks. The square filter catches dirt and small particles, to avoid internal blockage of pipes or equipment, common in toilets, faucets, showers, and other sanitary ware and related fluid delivery equipment.
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| | Square Nickel Bronze Bathroom Floor Drain The Square Nickel Bronze Bathroom Floor Drain is a bathroom drain that also stops bad smells. Its hollow grid cover is anti-slip, blocks sewer odors, and keeps mosquitoes out. It has a standard size and can be easily fitted into the bathroom floor drain. It works well in many bathroom areas, like dry-wet separation zones, showers, and around sinks.
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| | Nickel Bronze Floor Drain Filter A nickel bronze floor drain filter is a bathroom filter fitting featuring a fine mesh. This floor drain is used in showers, toilets, and other floor areas. Through the filter screen to intercept debris, avoid pipe blockage, reduce pipe maintenance costs, ensure long-term maintenance of the drainage system, and ensure stable operation. It is a practical accessory designed to enhance the cleanliness of the bathroom space and improve drainage efficiency.
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| | Brass Round Strainer Shower Drain A brass round strainer shower floor drain is a round grille bathroom drain fitting designed to fit the shower drain. It relies on a circular grille structure to support treading and guide water flow into the pipeline. At the same time, it utilizes a built-in filter to intercept hair, dirt, and other impurities, effectively preventing pipeline blockage. It is a practical bathroom drainage auxiliary component.
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| | Nickel Bronze Floor Drain Nickel Bronze Floor Drain is a high-quality nickel bronze floor drain accessory made from core material, featuring a square grille design, suitable for toilets, showers, balconies, and other areas requiring drainage. It can maintain the stable operation of the drainage system and clean the ground environment for a long time. It is a universal drainage component with practicality and durability.
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| | Ni-Bronze Cleanout Spuds Ni-Bronze Cleanout Spuds are round pipe fittings made of nickel bronze, usually 2 to 4 inches in size, with removable covers. They are installed in important spots in the drainage pipes, so you can check the pipes, remove blockages, and clean out deposits easily. They also need to inspect the pipeline condition on a daily basis.
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Casting Iron Square Grating
Casting Iron Square Grating
The cast iron square grate is made of strong cast iron that stays durable even when very hot. Relying on scientific and reasonable structural design, the grate can efficiently remove ash, keep the fireplace clean and stable operation all the time, and is suitable for direct combustion of firewood. It works well with firewood, wood stoves, and pellet stoves, fitting different heating needs.
- Model No: JX-10072
- Material: Cast iron
- Size: 22.5 × 25.5 × 1.2 cm
- Size deviation +/-3 mm
- Weight: 1.7Kg
- Categories: Grids
- Resistant to high temperatures
- Shape: Square rust proof
- For ash diversion and chimney ventilation
- Compatible with wood and pellet stoves
- Good thermal conductivity, not easily deformable
1. How is the load-bearing capacity of the casting iron square grating?
Plumberstar cast iron square gratings are cast in one single piece from robust gray cast iron or ductile iron. This unified design distributes weight evenly over the entire surface. Standard models endure test loads between 125 kN and 400 kN. The structure holds up well against compression and impact. It will rarely deform or warp after more than 10 years of outdoor use. The solid cast frame avoids heavy stress building up on local sections.
We offer several load classes suited to different working environments. Our engineering staff adjusts internal rib layouts, plate thickness, and casting methods for each grade. The refined structure stays stable under evenly distributed loads as well as concentrated point loads. Qualified units will not bend, crack, or suffer structural damage when used within their designated load limits.
We perform sampling load tests for every production batch to confirm the actual bearing capacity complies with design standards. The grating surface comes with anti-slip textures. The square hole layout speeds up water drainage. These drainage cutouts will not weaken the overall structural integrity of the grating.
2. Does casting iron square grating support size and shape customization?
Yes, Plumberstar cast iron square gratings fully support size and shape customization. We provide custom non-standard solutions that fit municipal drainage systems, factory trenches, and residential pipeline projects. Our standard cast iron grating sizes cover 300×300 mm up to 1000×1000 mm. We can also make irregular shapes to meet special installation demands on site. You may pick standard square or rectangular units, or request custom outlines built around your actual construction layout.
We create dedicated casting molds based on your engineering drawings, on-site measurement data, or installation demands. Apart from external length and width, multiple specifications can be adjusted freely. Available adjustable items include load-bearing class, anti-slip surface textures, internal rib arrangement, linear slot layout, frame thickness, and built-in locking hardware. All modifications help the grating match your exact working environment.
We have complete experience in mold development and volume manufacturing. After confirming all technical parameters, we finish mold fabrication within 12 working days, and complete mass production delivery within 28–35 working days. All custom items will go through dimensional checks and sampled load testing.
3. Can you provide a sample of the casting iron square grating?
Yes, Plumberstar supplies samples for cast-iron square gratings. Samples can be used for quality verification, load testing, project approval, showroom display, and on-site installation trials. Our complete sample service helps you confirm all technical details before placing formal bulk orders.
Standard-size gratings with regular load grades are available from our warehouse. You only need to bear the sample fees and international freight. We arrange packing and send out stock samples within 3 working days. If you need non-standard dimensions, customized load levels, or unique structures, we produce pre-production samples strictly according to your drawings and technical requirements. Custom samples demand new mold development, which takes 12 to 18 working days. The incurred mold cost can be deducted from your first bulk order once you confirm the sample quality.
All samples follow the identical production criteria used for bulk orders, including raw material casting, load performance checks, anti-slip surface finishing, and dimensional tolerance kept within ±1.5 mm. Samples match the quality of mass-produced goods and can be used directly for on-site practical testing. We send inspection reports and product specification documents together with samples, making your internal assessment or presentations to engineers and clients much simpler.
4. Can you accept a small batch trial order for the casting iron square grating?
Yes, Plumberstar accepts small-batch trial orders for cast iron square gratings. This service helps new customers and newly started projects. You may test practical performance, installation fit, and load stability on site before placing repeated bulk orders.
We accept trial orders starting from 80 pieces for standard grating models with existing casting molds, and no additional mold charges will apply. We arrange priority production for your order, and finished goods can be shipped out within 16 to 24 working days.
If you need non-standard dimensions, special structures, or adjusted rib layouts that require new casting molds, we still accept small trial orders, but extra mold charges will be needed. We carry out sampling load tests for all trial production batches. Every product is made with the same casting procedures and material standards applied to regular mass orders.
5. What is the lead time for developing a new mold for a custom grating?
The lead time to develop new molds for custom cast iron square gratings depends on product specifications. Major factors include overall sizes, internal rib arrangement, load-bearing framework, anti-slip surface design, and built-in installation accessories.
After you sign off on the engineering drawings, dimension values, and load requirements, our team will generally take 25 to 35 working days to complete standard casting mold development. We carry out mold structural design, rough machining, and trial casting within this timeframe, and keep making adjustments until samples pass all required inspections. Lead times for standard square linear gratings can be reduced to 20 working days. If your grating features irregular outlines, strengthened rib layouts, or custom locking slots, the full 35 working days will be needed to finish mold fabrication.
Once mold production is completed and you sign off on trial samples, we can start mass production immediately without extra waiting time. During the whole development process, we will update you regularly on mold manufacturing progress and related test results. Once validation passes, the finished mold can be utilized repeatedly for all your subsequent orders.
6. Can we order a container with a mix of different sizes and load ratings?
Yes, Plumberstar allows mixed loading of cast iron square gratings within a single shipping container. You are able to combine different sizes and load grades in one shipment. This practical arrangement meets your varied stocking requirements and cuts unit ocean freight costs, as we can achieve container space utilization as high as 92%.
Please send us your exact quantity list for each specification. Our logistics team will finish the detailed loading arrangement 5 working days before shipment. We calculate the volume and weight of each grating model to arrange container space reasonably. Our production lines can make multiple different product specifications simultaneously, and mixed orders will not delay the confirmed delivery time. Every type of grating will go through independent load testing and dimensional inspection.
We accept full container loads mixed with various gratings, and we can also combine these items with other plumbing and valve products for LCL shipments. Every pallet adopts regular export packaging and carries distinct shipping labels. We supply complete packing lists and all required export documents, which helps speed up customs clearance, cargo collection, and local delivery arrangements.


