What materials are used for the body?

The body is made of carbon steel and aluminum alloy for the small cover.

What is the operating temperature range?

The design temperature range is from -20 to +70 degrees.

500mm Manhole Cover Assembly with Emergency Relief Device

Name: 500mm Manhole Cover Assembly with Emergency Relief Device
Brand: Hubei Huate Special Equipment Co., Ltd.
SKU: 2062100065

Hubei, ChinaHubei Huate Special Equipment Co., Ltd.

US$135.00-150.00

1 Piece

Product profile

Customization

Available

After-sales Service

Good After-Service

Warranty

12 Months

Condition

New

Type

Top Loading

Transport Package

Carton or Wooden Case

Specification

DN500

Trademark

Huate

Origin

Hubei

Production Capacity

10000

Key features

12 Months Warranty: Comprehensive warranty coverage for 12 months from the date of delivery.

Customization Available: Offers full customization, minor customization, and design-based customization options.

DN500mm Size: Specific size of 500mm designed for light fuel oil applications.

High Design Pressure: Engineered with a design pressure of 65kpa for safe operation.

Wide Temperature Range: Operates effectively within a temperature range of -20 to +70 degrees.

Breathing Valve Feature: Equipped with one breathing valve for efficient pressure management.

NBR Sealing Material: Utilizes durable NBR sealing material for reliable performance.

Special Key Included: Comes equipped with a special key for secure and convenient access.

Company profile

Hubei Huate Special Equipment Co., Ltd.

Hubei, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available CertifiedCustomization Options: Customization from Designs, Full Customization, etc. CertifiedExport Year: 10 Years CertifiedNearest Port: Shanghai Port, Qingdao PortAverage Response Time: ≤4.99h

AI-Powered supplier vetting

SummaryHubei Huate Special Equipment operates across vehicle boxes and tanks, auto parts, refueling equipment, household appliances, valves, construction machinery, and related engineering services. It reports ISO9001:2015, ISO45001:2018, ISO14001, and CCC certification, along with documented quality, complaint-handling, supplier-management, and corrective-action procedures. The supplier has inventory capability, export experience of 10 years, and exports representing 51%–70% of sales. It supports customization from designs, minor customization, and full customization, and provides ODM services. However, it lacks private-mold R&D, 3D software design, SDK availability, overseas warehouses, overseas showrooms, and valid manufacturing contracts with affiliated subcontractors. Financial information is identified for 2022–2024, but no substantive financial results are provided.

Supplier typeThe supplier is a diversified manufacturer and trading company covering vehicle boxes and tanks, auto parts, refueling equipment, household appliances, valves, construction machinery, and related engineering services. Its 10 years of export experience and stated foreign-market activity indicate an internationally oriented supplier, while ODM capability is also reported.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, plus CCC product certification capability. These explicitly support its quality, occupational safety, environmental, and product-compliance credentials.

After-Sales capabilityThe supplier has a documented customer-complaint procedure with follow-up records, inventory capability, and documented supplier-service assessment and corrective-action procedures. However, it reports no overseas warehouse or overseas showroom, so the evidence supports structured service handling but not comprehensive overseas service infrastructure.

R&D capabilityThe supplier reported new products during the past year, provides ODM services, and describes itself as innovation-driven. Nevertheless, it lacks private-mold R&D, professional technical-supplier status, 3D software design services, and an available SDK, indicating product-development capability with notable technical limitations.

Production capacityThe supplier’s business scope includes production, processing, sales, maintenance, and engineering activities; it reports inventory capability, four own-brand product quality-control programs, raw-material traceability, and documented inspection instructions. A stated deficiency is the absence of a valid manufacturing contract with affiliated subcontractors, which limits assurance regarding subcontracted production governance.

Customization capabilityThe supplier explicitly offers customization from customer designs, minor customization, and full customization, and also provides ODM services. This demonstrates broad customization coverage, although the lack of private-mold R&D and 3D software design services may constrain certain development workflows.