zhangshuimanhole cover

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Loading Port:
Tianjin
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TT OR LC
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Supply Capability:
5000 m.t./month
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Product Description:

Item description: heavy circular manhole covers


Specification: net openings Φ 600 mm


The base diameter: 820 mm Φ


Cover plate diameter: 635 mm Φ


Height: 100 mm


53 kg weight:


Pressure load: D400


Material: ductile iron QT500-7

Tensile strength: 500 n / 2 MM

Elongation rate: 7%

Spraying: ductile iron manhole covers on the surface treatment is the antirust bituminous paint spraying, the treatment is commonly used coating of casting.

Packing: packed in wooden pallet, steel tie, the outside plastic film

Process: sand casting, pure manual model


Our company covers has the following features:

1, the environmental noise. No noise, the product of environmental protection board and box after lathe processing, can make the plate and frame to 100%.

2, high load capacity. The product load D400

3, security ability. This product adopts double security design, anti-theft performance is better, more powerful guarantee traffic safety.

4, long service life. The product of guard against theft, prevent noise set is firm, durable.


This product applicability is wide and can be used in tap water in urban construction, municipal drainage pipeline inspection Wells, heating, gas inspection Wells, postal services, telecommunications, communications, cable pipe Wells, power line well, street lamps, well well, fire control, all kinds of valves, anti-corrosion project, open ditch cover plate, and can be manufactured according to customer's special needs.


The products were exported to central and South America and the Middle East, if necessary, please contact with my factory.


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Q:Hardware accessories, hardware is the same?
It's almost like this, but it's a lot of different kinds
Q:Hotel room toilet stainless steel parts, how to maintain?
Cleaning area, other hardware cleaning and maintenance matters needing attentionThe common hardware in the bath area is bathroom cabinets, metal chains, hinges, slides, towels racks, shelves, frames, etc..
Q:There is a round piece of hardware, want to buy online, do not know what the name of the call for help
The hardware market especially. Why should you buy it on the Internet write online are installed with copper fittings and accessories iron fittings
Q:what is the Hardware classification?
brush| paint brush roller brush | | wire brush | disc brush polishing brush paibi | | | | other sponge brush brush
Q:What do hardware mainly do?
Hardness testing of stamping partsHardness test of stamping materials, its main purpose is to determine the extent of annealing the sheet metal stamping process is suitable for the purchase will be subsequently the stamping process of different types, different requirements of plate hardness level. The aluminum alloy plate used for stamping processing can be tested by Webster's hardness tester. When the material thickness is greater than 13mm, the hardness tester can be used. The pure aluminum plate or the low hardness aluminum alloy plate shall adopt the Vickers hardness tester.
Q:What are the hardware parts of the door?
The door handles, hinges, hardware accessories including fasteners (bolts, nuts), lock, door stopper, seal, such as cat's eye.
Q:What does hardware include?
First of all, "hardware" concept, mainly refers to gold, silver, copper, iron, tin five metal materials collectively.Hardware is the mother of industry; the foundation of national defense and the products of hardware materials are usually divided into two major categories: big hardware and hardware.
Q:What are the laws and regulations of hardware?
There are two main parts.One is the national quality standard. This is the regulation. The hardware shall conform to the requirements of the regulations in accordance with the regulations.Another is the national security standards, this is the strict implementation of the legal norms.
Q:What are the commonly used hardware materials? What are their respective properties?
Cold rolled steel sheet (SPCC), ----SAE1006, SAE1008Features: smooth finish - good mechanical properties, smooth surfaces with fine abrasive lines. Blunt surface treatment with good mechanical properties, fog, matte finish.Purpose: because it contains a small amount of residual elements, corrosion resistance and excellent, so it is widely used in galvanized or colorOn galvanized steel sheet, suitable for hardware products with special surface requirements.
Q:What's the hardware in the wardrobe industry?
The hardware includes a wardrobe door hinge, handle, drawer rails and other structural parts and accessories such as clothes hanging rod: made of Aluminum Alloy materials, high hardness, large bearing surface, anodized, abrasion resistance, cut flower. The circular surface is provided with a plurality of technological lines, which not only have decorative effect, but also play the role of anti-skid. Guide rail: drawer adopts heavy three section rail or three section slide rail, push and pull smooth and silent, bearing capacity is big, can push and pull more than 100 thousand repeatedly. Pull the plate for a towel and other small items, using common backing tracks. Pull basket: cold rolled steel with surface plating, the effect is shiny and smooth. Surface without flow, bump, no yellow, no delamination, no rust, long shelf life. Laminated buckle: embedded panel buckle prevents the board from slipping. Trousers rack: used for stainless steel folding hanging pants, trousers made straight without wrinkles. Shelf: used to display towels, scarves, hats and other small items of life. Plywood: used for displaying ornaments, cosmetics and other daily necessities. Chuanyijing: built-in sliding mirror is an indispensable item dressing.

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