We continue to introduce and absorb domestic and foreign advanced technology and efficient management models, so that our Manhole Lid, non return check valve, Light Duty Manhole Cover is continuously optimized. We attach great importance to responsibility and desire a good team competition atmosphere, so as to achieve continuous self-development and improvement. We are a vigorous and hard-working team. We fully analyze and grasp the market, and constantly practice and explore the road to success.
Square Manhole Cover
Standard: EN124
Material: Ductile Iron GGG500-7
Coating: Bitumen coating
Load Capacity：A15/B125
Square Manhole Cover Size
Base Size mm | Clear opening mm | Depth of frame mm | Depth of insertion mm | Weight kg |
750X750 | 600 | 100 | 80 | 75 |
750X750 | 600 | 150 | 80 | 85 |
825X825 | 675 | 100 | 80 | 108 |
825X825 | 675 | 150 | 80 | 118 |
750X600 | 600 | 100 | 80 | 110 |
1050X750 | 600 | 100 | 80 | 128 |
1370X825 | 675 | 100 | 80 | 205 |
1370X825 | 675 | 150 | 80 | 218 |
Square Manhole Cover Application
We insist on advanced quality management system and full monitoring of the production process, and strive to create the best quality High Quality Clear Open 900mm C250 D400 SMC Watertight Inspection Chambers Manhole Covers Composite Manhole and Inspection Frame Covers FRP Manhole Covers. We always uphold the principles of good ethics and integrity to achieve our company goals. We have achieved multi-dimensional and comprehensive business control and risk management.
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