manhole cover :1 Feature

A  Environmental protection

With non-toxicity raw material, it will not influence to user

B Saving mine resource

It is made by regenerated resin or regenerated plastic raw material, which save application of cast iron

C Longevity

Acidalkali and corrosion resistance; anti-rust; insulation ; anti-abrasion; weather ability; excellent anti-pressure capability

D Competitive price

The price of composite manhole cover is lower than stipulated standard cast iron ones;

E Light weight

The weithg is 1/3lighter than cast iron ones so that is is convenient to transport, install, rush repair; construct easily and reduce working intensity.

F Nice appearance

Outstanding dying, rich colors; the cover is not sprayed in surface so that the color can keep lasted.

G Anti-theft

Non-recycle, anti-theft naturally; the lock attachment can prevent tunnel products from losing, therefore city black hole can be stopped totally.

2 Application

In order to keep the ground flat or safe, the bricks are tiled above the manhole at the place where the manhole covers are placed

Electric power pipeline well, telecommunication, communication pipeline well;

Street lamp well, fire control well, all kinds of valve wells;

City water, drainage pipeline well; heat supplied, gas well;

3 specifications

 

Item no.	Shape	Normal dimension (mm)	Cover thickness (w/ear mm)	Frame depth (mm)	Frame (mm)	Outer dimension (mm)	Weight (kg)	Carrying capacity (ton)	Application
YH-ZZ-Q-500x500	Square	500x500	90	55	450x450	680x680	16	20	Footway, bikeway, plaza.
YH-ZZ-P-500x500	Square	500x500	90	55	450x450	680x680	25	50	Residence district road, plaza where minitype vehicles pass
YH-ZZ-Q-700x700	Square	700x700	90	60	630x630	790x790	30	20	Footway, bikeway, plaza.
YH-ZZ-P-700x700	Square	700x700	90	60	630x630	790x790	46	50	Residence district road, plaza where minitype vehicles pass
YH-ZZ-Q-850x850		850x850	90	100	650x650	880x880	41	20	Footway, bikeway, plaza.
YH-ZZ-Q-850x850		850x850	90	100	650x650	880x880	75	50	Residence district road, plaza where minitype vehicles pass

Various specifications can be made per customers requirement.

4 Technical standard

Bending strength	≥22Mpa
Impact intensity	≥104J/m2
Compressive strength	≥25Mpa
Tensile strength	≥10Mpa
Modulus of elasticity	≥1000Mpa
Water absorption	<1%

Chongqing Kangtian Macromolecule Composite Material Co., Ltd. is a combination of science, industry and trade with high technology. We are a private enterprise, and mainly manufacture composite manhole cover, gully grating, well ladder, tree grating, water meter box, and wire stand. Now our plant is located in Qijiang Industry Zone, Chongqing, covering an area of over 20000M2. Our employees are over 130 (in which 22 with high technique special certificates and 21% are college graduates).

In order to develop and research city architecture engineering and government facility products, our company has been establishing relationships with authoritative universities and scientific research institutions. Simultaneously, our products were approved as "National Center for Quality Supervision and Test of Building Engineering", "Chongqing Center for Quality Test of Building Engineering" and "Chongqing Center for Quality Supervision". Meanwhile, our company has got the certificates of GB/T19001-2000 and ISO9001:2000 in 2005, and new technique certificate in architecture field in 2006. Our company has got a good reputation among customers because of advantages of transportation, completed ancillary facilities and good before-sales, on-sales, after-sales service systems.

For the past 10 years, our company has been taking the excellent traditional work spirit which is having the courage to innovate and keep going straight ahead. Our company treats the "faithfulness creates forever, perfect products and moral quality existence" as core value and spirit. Kangtian has developed an extraordinary culture and an excellent executive team. Under the leadership of Mr. Chen Yichun who is the chairman of Kangtian, our company is on the way to be one of the most competitive companies in the field. You are warmly welcomed to come and order Kangtian composite material products by phone, fax or email.