High Purity Quartz Sand
Rectangle Single Composite Manhole Cover:
LOADING CAPACITY (KN)
300 x 300 mm
400 x 400 mm
500 x 500 mm
550 x 550 mm
600 x 600 mm
740 x 740 mm
800 x 560 mm
800 x 560 mm
500 x 700 mm
500 x 800 mm
560 x 800 mm
We have developed Composite Manhole Covers: Round Manhole Cover, Rectangle Manhole Cover, Frame and Rectangle Grating, which are being used in oversea market since several years ago.
Range of Composite Manhole Cover can be used in various applications such as inspection chambers for sewerage, underground electrical cabling, water, gas and petroleum installations, beautification of gardens and landscapes. Composite Gratings can be used for roadside water entrance chambers, roadside gratings and also road crossover gratings which can take load of urban traffic. These composite gratings are best suited for swimming pool applications also.
Specifications of Manhole cover:
A) Material: a fiber-reinforced material, which consists primarily of thermosetting resin, unsaturated and continuous non-alkali glass fibers and calcium, poly-styrene as fillers, which is to save other non-renewable resources.
(1) Non-recycle value for anti-theft.
(2) Anti acid, alkali and chemical corrosion, impact resistant, anti-rust, weather-ability, insulating, durable (30 years), locking option, anti-abrasion, fiberglass content above 28%. When damaged, no holistic hole, avoids sudden accident. Use the superfine calcium carbonate, good density.
(3) Excellent anti-pressure capability: no hole on the surface and no damage of the unlock hole. Using new raw material, the quality is stable.
(4) Weight: only 1/3 weight of the cast iron one, and 1/2 of the BMC with steel one. Convenient transportation and installation reduce work intensity.
(5) Appearance: physical appearance is nice, smooth; no distort, easy to open. Unique multi-directional slip resistant tread pattern. Noise is very low and rebounding free when car roll on.
(6) Perfect decoration effect: its color will be the right one that clients want.
(7) Carrying ability: without steel inside, the load bearing capacity of the whole cover will be up to 25 - 60 ton based on size.
Zhuzhou Mingda Trade Co., Ltd (ZMT) is from Zhuzhou of China, the capital of the world alloy. We are a manufacturer of composite manhole cover, agricultural machinery, brass valves, plastic valves, PPR pipes & fittings, and some hardware. ZMT is established in 2006 by following manufacturers: Zhuzhou Fangyuan Industry Co (product: composite manhole cover), Zhuzhou Modern Agricultural Equipment Co, Yikai Valves Co. ZMT is mainly engaged in export business of our products, in charge of overseas market.
Our product: Composite manhole cover and PPR pipe & fittings are environment-friendly products. In recent years, most of governments have started to promote these products. This policy is useful to protect the Earth.
Our agricultural machineries are useful to improve the peasants working conditions, to increase food production, to solve the problem of hunger.
We have passed the evaluation of ISO9001:2008 certification. We have our own brand name (logo). If you are a bigger distributer /wholesaler, we will provide OEM service if you want. In a word, we supply good quality products and good service to you.
Until now, our products have been exported to Asia, America, Mid East, Oceania, Africa, and so on. We sincerely hope to establish mutual-benefit and long-term business relationships with dealers and customers from abroad to develop the bright future.