Intelligent Anti Fall Net（optional） – Metal Welded Manhole Cover | Welded Manhole Cover | Metal Manhole Cover | Invisible Manhole Cover

PRODUCT PARAMETERS

Compatibility: Suitable for Daxing Welded Metal Manhole Covers
Material: Lightweight High-Strength Safety Net
Features: Fall Protection, Load Bearing, Easy Installation
Smart Option: Supports Intelligent Monitoring Modules
Functions: Real-Time Status Monitoring & Hazard Alerts
Advantages: Enhanced Safety and Preventive Maintenance
Applications: Municipal Roads, Utility Chambers, Inspection Wells
Customization: Monitoring System Integration Available

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Description

FAQs

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Description

This anti-fall net can be optionally fitted to any metal welded manhole covers manufactured by Daxing. Lightweight yet capable of bearing sufficient loads, it supports intelligent monitoring modules. Real-time tracking of the cover’s working status and automatic early warnings for abnormal hazards are available, upgrading management from passive protection to active intelligent control.

Smart Module Features

Feature	Description
Status Monitoring	Real-time detection of lid open/closed status
Anomaly Alert	Instant alert for unauthorized opening or displacement
Water Level Sensor	Optional: underground water level monitoring
Communication	NB-IoT / 4G / LoRa (optional)
Power	Long-life battery (3–5 years) or solar-powered (optional)
Platform Integration	Compatible with smart city management systems
Model Suffix	Add ·Z to standard HJ model code (e.g. HJD700·Z)

Base Product Specifications

Parameter	Specification
Model Code	HJ [Load Class][Diameter]·[Z for Smart]
Diameter Options	Φ600 / Φ700 / Φ800 / Φ900 mm
Load Classes	A (15KN) / B (125KN) / C (250KN) / D (400KN) / E (600KN) / F (900KN)
Material	Carbon Steel / Alloy Steel / Stainless Steel 304 or 316
Surface Treatment	Hot-Dip Galvanized (carbon/alloy steel); Untreated (stainless steel)
Opening Angle	180° (hinged lid)
Key Features	Anti-Slip · Anti-Theft · Anti-Fall · Anti-Displacement · Noise-Free · Easy-Open
Standards	T/CASME 2152—2026 / GB/T 23858 / EN124:2015
Custom Sizes	Available upon request

Load Class Selection Guide

Load Class	Test Load (KN)	Recommended Applications
A	15	Pedestrian paths, parks & landscaping (no vehicle access)
B	125	Pedestrian roads with vehicle access, underground small car parks
C	250	Residential areas, alleys, light vehicle roads
D	400	Main roads, highways, high-grade expressways
E	600	Large freight terminals, airport taxiway outer areas
F	900	Airport taxiways (aircraft load)

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For pricing, samples, or technical inquiries:

📧 ytdaxing@sina.com | 📱 WhatsApp: +86 13105352113

FAQs

What types of products can we offer?

We mainly offer steel grating, stair treads, trench covers, welded steel manhole covers, rainwater gratings, recessed manhole covers, and customized steel structure components.

Our products are widely used in petrochemical projects, nuclear power projects, municipal engineering, wastewater treatment plants, industrial platforms, residential areas, parks, ports, airports, and construction supporting facilities.

What logistics do we ship through?

For project orders, we provide integrated delivery support, including product coordination, packaging recommendations, loading arrangements, and shipment planning.

We can adjust the packaging method and delivery schedule according to different project requirements, and support batch delivery when needed. This helps customers reduce communication costs and keep project delivery more manageable.

Can it be customized as per our requirements?

We offer drawing customization, non-standard custom manufacturing and full supporting production for engineering projects.

Our technical team provides one-on-one technical communication. We adopt professional software for drawing deepening and arrange production strictly per your project demands. Customization is available on materials, surface finishes, load standards, dimensions and installation accessories.

What is our ordering process?

Our general ordering process is:

Requirement confirmation → Drawing/specification review → Technical communication → Quotation → Sample or drawing confirmation → Production → Quality inspection → Packaging → Delivery

For non-standard products, early communication and sample preparation usually take around one month. For regular production capacity, our steel grating output can reach about 100 tons per day, and our welded manhole cover output can reach about 1,000 sets per day.

What services are included in the after-sales service?