square solid top manhole cover
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Square Solid Top Manhole Cover
Class: A15, B125, C250, D400, E600 and F900.
Design Standard: BS EN124:2015
Material grade: GGG500/7.
Seal:Double seal/Single sealAdd to Inquiry -
High Quality SMC Watertight Manhole Cover Composite Round Manhole Covers and Frame FRP Waterproof Square Locking Inspection Heavy Duty Manhole Cover D400
Class: A15, B125, C250, D400, E600 and F900.
Design Standard: BS EN124:2015.
Material grade: GGG500/7.
测试:testing before shipping for the smooth surface and loading.Add to Inquiry
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