Municipal Qt500-7 Square Nodular Cast Iron Well Cover

Product Description

Product Description

Square QT500-7 Ductile Iron Manhole Cover

Square ductile iron manhole cover is integrally cast from QT500-7 spheroidal graphite cast iron, matched with square cast frame, compliant with GB/T23858 and EN124 standards. It features high toughness, anti-crack, silent shock absorption and multiple anti-theft structures. Widely applied for sewage, tap water, power, telecom and fire pipeline inspection wells on sidewalks, residential roads, urban main carriageways and airports.

Product Features:

High Toughness Anti-fracture Advantage: QT500-7 avoids brittle breakage of grey cast iron under heavy truck impact and ground settlement.

Standardized EN124 Load Grades: Clear load grading for accurate matching of different road scenarios, stable bearing safety.

Integrated Silent Shock-absorbing Fit: Rubber gasket eliminates driving noise, improve urban road environmental comfort.

Dual Mature Anti-theft Structures: Hinge captive or hidden bolt lock effectively reduce cover theft loss.

Square Frame Stable Positioning: Tenon anchor structure prevents lateral sliding, greatly lower road safety hazards.

Specification

Product Name	QT500-7 Square Ductile Iron Manhole Cover With Integral Square Cast Frame
Base Material	EN-GJS500-7 QT500-7 Spheroidal Graphite Ductile Iron
Executive Standard	EN124, GB/T23858-2023, 06MS201 Municipal Atlas
Load Class	A15 / B125 / C250 / D400 / E600 / F900
Surface Texture	Dot / Chevron Anti-slip Raised Pattern
Structure Option	Hinged Flip Type / Hidden Anti-theft Bolt Separate Type
Silent Accessory	EPDM Rubber Shock-absorbing Seal Strip
Surface Treatment	Black Bitumen Anti-rust Paint; Epoxy Heavy Anti-corrosion Customized
Common Clear Opening Size	400×400,500×500,600×600,700×700,800×800,900×900mm (Custom Sizes Available)
Core Mechanical Index	Tensile ≥500MPa, Yield ≥320MPa, Elongation ≥7%
Certifications	ISO9001, ISO14001, ISO45001, CE
Applicable Medium	Sewage, Tap Water, Power Cable, Telecom Optical Cable, Fire Pipeline Inspection Well
Application	Sidewalk, Residential Driveway, Urban Main Road, Parking Lot, Airport, Factory Plant, Green Belt
Service Life	20–35 Years (Rated Normal Working Environment)

SND TECH have been specializing in the production and sales of Manhole cover, Gully grate, water meter box, pipe fittings. valves and metal casting products nearly 20 vears. Head office is located in Wu'an Industrial Park. Handan City Hebei Province The park is the largest mechanical casting spare parts processina industrial park in Handan. 
with a complete supporting industry chain and convenient transportation. 
 
SND has fully passed the IS09001 quality management system certification. CE certifications. Durina the production process, it implements a number of strict detailed standards and conducts full-process quality control. Our company has well-equipped chemical laboratories and physical performance laboratories. A complete set of testing equipment such as Direct Reading Spectrometer, Metallographic Microscope, Hardness Tester, Universal Material Testing Ma-chine and Pressure test machine can be used to effectively control chemical composition and ensure mechanical per-formance 
 
Company Mission: 
Committed to creatinga high-quality products and service, creating a century enterprise trusted by customers, respect-ed by society, the most valuable and internationally influential 

Work Attitude: Responsibility Pragmatism Professional

Q.Can I get a free sample? 
A. Yes, we can provide the free sample for you, just need you bear the delivery charges.
 
Q.Can I have my own logo on the product? 
A. Sure, just pls share us your logo, words, and this is free. 
 
Q.Can I request to change the package and transportation solution?
A. Yes, SND team will do our best to follow your demand. Just pls care if this is after order change, there may be some unexpected fees happen. 
 
Q. Could you customized produce according our drawings?
A. Yes, we can customized for your drawings, pictures even idea. 
 
Q. Can I ask a hurry delivery? 
A. Sure, your hurry is our hurry. We will first delivery if there is inventory. Or ad-vance arrange the produce schedule in your special time.