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D400 E600 F900 Heavy Duty Drain Cover Manhole Cover with Round To Square Design

Name: D400 E600 F900 Heavy Duty Drain Cover Manhole Cover with Round To Square Design
Brand: Handan Shengnada New Material Technology Co., Ltd.
SKU: SND Manhole Cover
Price: 70.00 USD
Availability: InStock

Product Details

Place of Origin: Handan, China

Brand Name: SND Foundry

Certification: ISO / CE

Model Number: SND Manhole Cover

Payment & Shipping Terms

Minimum Order Quantity: 10 tons

Price: $50-90/t

Packaging Details: wood pallet/ bulk

Delivery Time: 45 days

Payment Terms: L/C,T/T

Supply Ability: 20000 tons per year

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Product Details

Product Description

Product Details

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                                                                                                                                                                                                                                                                                                                Grey D400 Drain Cover, F900 Round To Square Drain Cover, E600 Round To Square Drain Cover
                              

Product Name:	Square Round Hole Manhole Cover With Spring Lock GB/T23858-2009	Key Words:	Square Manhole Cover
Class:	A15, B125, C250, D400, E600, F900	Color:	Black, Grey, As Your Requirement
Paint:	Spray Paint,	Standard:	GB/T23858-2009
Origin:	Handan, Hebei Province	Shape:	Round,Square,etc

Product Name:	Square Round Hole Manhole Cover With Spring Lock GB/T23858-2009
Key Words:	Square Manhole Cover
Class:	A15, B125, C250, D400, E600, F900
Color:	Black, Grey, As Your Requirement
Paint:	Spray Paint,
Standard:	GB/T23858-2009
Origin:	Handan, Hebei Province
Shape:	Round,Square,etc

Product Description

Grey D400 Drain Cover E600 F900 Round To Square Drain Cover

Square Round Hole Manhole Cover With Spring Lock GB/T23858-2009

GB/T 23858-2009 is China's national standard for "Manhole Covers". It was proposed by the Ministry of Housing and Urban-Rural Development and managed by the Technical Committee for Standardization of Water Supply and Drainage Products. It was issued on May 27, 2009 and implemented on February 1, 2010.

Scope of Application and Basic Framework

Applicable to various types of manhole covers (including round, square, etc.) on urban roads and public places. The standard stipulates term definitions, classification structures, materials, requirements, test methods, inspection rules, and marking, packaging, transportation, and storage content.

Classification and Structure

Load-bearing capacity: Divided into A15 (pedestrians/bicycles), B125 (community/light vehicles), C250 (roadside/parking lot), D400 (urban trunk road/heavy vehicles), E600 (port/airport), F900 (heavy industry/special high load) grades
Material types: Covering ductile iron, steel fiber concrete, composite materials, etc.
Structural form: Includes connection between manhole cover and support, anti-settlement/anti-theft/anti-noise design specifications

Materials and Requirements

For raw materials such as cast iron (spheroidization rate, chemical composition), concrete (strength grade), and composite materials (matrix/reinforcement material performance), the composition and performance parameters are clearly defined.

Performance Requirements

Dimensional deviation: Strict limitations on diameter, side length, thickness, and support tolerance
Appearance quality: No defects such as cracks and sand holes, with clear patterns/text
Bearing performance: Must meet corresponding load requirements with no cracks or deformation after testing
Special functions: Anti-theft structures must be stable; anti-settling covers must maintain fit with road surface

Test and Inspection

Includes factory inspection (batch/sampling checks) and type inspection (comprehensive checks for new products). Specifies test methods for load, dimensions, and appearance.

Marking, Packaging and Storage

Manhole covers must be marked with load-bearing level, manufacturer details, and production date. Packaging must prevent damage, and storage must be in dry, ventilated conditions.

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