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Strong Manufacturing Capability
With a factory area of over 6,400㎡, advanced welding and galvanizing equipment, and an annual production capacity of 50,000 tons, we ensure consistent output and fast delivery for bulk orders.
Reliable Quality Assurance
Our products comply with international standards and undergo strict inspection processes to guarantee durability and performance.
Extensive Export Experience
We have rich experience serving European and North American markets, understanding international standards, logistics, and buyer expectations.
Flexible Customization Service
We provide tailored specifications, OEM support, and responsive communication to meet the specific requirements of different projects.
Stainless Steel Recessed Manhole Cover
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Stainless Steel Recessed Drain Covers
Stainless steel recessed drain covers, also known as hidden drains or linear drain covers, are systematic drainage components embedded in the floor. The product typically consists of a stainless-steel cover plate that is precision laser-cut or stamped, paired with a sturdy embedded base frame.
Galvanised Recessed Cover
The galvanised recessed cover is a specialized inspection cover system engineered for seamless integration with surface paving. Its core structure is formed through high-strength carbon steel welding or compression welding, ensuring robust structural integrity.
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Parameter |
Specification |
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Material |
Galvanized Steel, Stainless Steel (optional) |
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Frame Type |
Square, Rectangular, Round |
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Cover Type |
Recessed (Infill Type) for paving materials |
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Load Class |
A15, B125, C250, D400 (EN 124 standard) |
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Size Range |
300×300 mm – 1000×1000 mm (custom available) |
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Cover Depth |
30 mm – 100 mm |
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Infill Material |
Concrete, Paving Stone, Tile (by customer) |
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Surface Finish |
Hot-Dip Galvanized, Stainless Steel Finish |
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Locking System |
Optional (bolt, latch, or concealed lock) |
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Seal Type |
Optional rubber seal for odor and water resistance |
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Installation Type |
Flush installation with surrounding surface |
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Anti-Corrosion |
Suitable for outdoor and underground environments |
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Application |
Sidewalks, plazas, driveways, landscaping areas |
Aesthetics
The biggest advantage of concealed manhole covers is their seamless integration with the surrounding environment. They don't appear abruptly on the road or in the environment, thus maintaining overall aesthetics and harmony. This is especially important for places with high environmental requirements, such as landscape design and high-end shopping malls.
Safety
Because concealed manhole covers blend seamlessly with the surrounding environment, the risk of pedestrians or vehicles colliding with them due to poor visibility is reduced, improving safety.
Durability
Concealed manhole covers are typically made of high-strength materials, capable of withstanding significant loads, ensuring long-term stability and safety.
Applications of Invisible Manhole Cover
Invisible manhole covers are ideal for:
• Pedestrian zones and plazas.
• Parks and green spaces.
• High-end residential areas.
• Urban streets and commercial districts.
• Areas requiring high vehicle load capacity with a flush design.
By integrating functional utility access with urban aesthetics, these covers support contemporary city planning principles.
Material
Optional
Material
Square, Rectangular, Round.
MOQ
Customizable
Raw Material Selection
We source high-quality carbon steel and stainless steel from certified suppliers to ensure strength, durability, and long service life. All incoming materials are inspected for chemical composition and mechanical properties before production.
Cutting & Forming
Steel bars, wires, and plates are precisely cut and formed using automated equipment. This step ensures dimensional accuracy and consistency across all products, including gratings, fences, and wire systems.
Welding & Assembly
Advanced welding technologies, including pressure welding and CO₂ arc welding, are applied to ensure strong joints and structural stability. Skilled technicians oversee the assembly process to guarantee product integrity.
Surface Treatment
To enhance corrosion resistance, products undergo hot-dip galvanizing or other surface treatments such as electro-galvanizing or powder coating. This ensures long-term performance even in harsh environments.
Quality Inspection
Each product is subjected to strict quality checks, including size measurement, load testing (for gratings), coating thickness inspection, and visual examination. Only qualified products proceed to packaging.
Packaging & Delivery
Products are securely packed using steel pallets or customized packaging to prevent damage during transportation. We support global shipping with efficient logistics solutions for timely delivery.
Payment Terms
T.T with 30% downpayment, 70%before shipment.
Paypal or West Union also accept.
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Packaging: |
Wrapped by proctective film. |
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Packed by standard import & export wooden cases or carton boxes. |
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Shipping: |
By logistics; by automobile; by train; by shipping; by air. |
We're well-known as one of the leading invisible manhole cover manufacturers and suppliers in China, also support customized service. We warmly welcome you to buy high quality invisible manhole cover for sale here from our factory. For price consultation, contact us.
concealed manhole, square to round recessed drain cover, 600x600 recessed drain cover(0/10)
