Today let's us talk about the reason why customer wanto to order high quality SMC manhole cover:
SMC the abbreviation of sheet molding compound. It's made by the SMC special yarns, unsaturated resin, low shrinkage additives, fillers and various additives composition. Its mechanical properties can be comparable with some metallic materials, which are widely used transport vehicles, construction, electronics/ electrical and other industries.
1.Anti-theft:
The anti-theft manhole cover is mainly to prevent thieves from stealing the manhole cover and avoid pedestrian accidents. It mainly adopts six different kinds of anti-theft methods: first: iron chain connection method; second: with hinge; third: anti-rotation technique, fourth: the bolt-blocking technique; fifth: the lock key method; sixth: the fork joint linkage
2.anti-sound
Anti-sounding is mainly to prevent the car and pedestrian fire objects from escaping when they pass.
3.anti-jump
A flexible cir-clip is added between the manhole cover and the manhole cover to fix the manhole cover on the well ring, thus solving the problem of the manhole cover jumping.
4. fall prevention
The manhole cover and the well ring are connected together by folds, so that the problem of fall prevention is well solved.
5.anti-displacement
Strict in accordiance with BS EN124 standard. Focus on manhole cover sollution.