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 circlip 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
Zibo Best Energy-saving Materials Co., Ltd. Specializing in composite sewer cover, trench cover, drain grated and cable cover. More than 12 years experience and easy to get professional technical.
