Cement cast iron manhole covers

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
-
Supply Capability:
2000套 m.t./month

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Product Description:

Material: GGG50 QT500-7

Base: 670 mm

Cover plate diameter: 645 mm

Net openings: 600 mm

Height: 70 mm

Single weight: 34.0 KG

Pressure load: EN124 C250

Packing: packed in wooden pallet, steel tie

Terms of trade: FOB, CIF, EXW

If need be, can according to customers drawings for production, can also be used for the processing industry. Our company has passed the international quality management system ISO9001:2000 certification, can export, our products are for export, if interested, please contact me, thank you!


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Q:The bathroom hardware should be stainless steel or Aluminum Alloy it?
It is recommended that stainless steel, aluminum alloy is no longer strong, this is the decisive factor of material.Bathroom this thing is generally less change, durable is the absolute truth. Of course, the aluminum alloy is not so fragile, both have to choose their own, to buy their own heart should be, is the best.
Q:What is a hardware cooker?
Hardware, refers to gold, silver, copper, iron, tin, five metal materials called. 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. Big hardware includes steel plate, steel, flat iron, steel bar, universal channel iron, iron and all kinds of industrial character; hardware for building hardware, white metal, lock nails, wire, steel wire, steel wire cutting, home hardware, tools etc.
Q:What kinds of hardware fittings can be divided into?
door lock (5) glass window lock electronic lock (6) (7) (8) chain lock anti-theft lock (9) lock the bathroom (10) (11) number lock padlock (12) the lock (13) lock core.
Q:What does a hardware factory do?.
Hardware: traditional hardware, also known as "hardware"". Of five metals: gold, silver, copper, iron, and tin. By artificial processing, you can make knives, swords and other art or metal devices. The hardware of modern society is more extensive, such as hardware tools, hardware parts, daily hardware, construction hardware and security products.
Q:What kind of hardware installation is there in order of home decoration?
1, carpentry hardware products installation, most wooden products need to consider the problem of paint. Therefore, the installation time of the hardware needs to consider the connection with the construction of the painter. This need from two aspects to consider: first, the installation of metal pieces arranged time not premature, or paint workers in the construction need to consider too many problems on the protection of hardware; second, the installation of metal pieces, but also pay attention to the construction can not destroy the painter who had completed. Therefore, the normal construction is often such arrangements: the hardware need to be drilled, basically is before the paint construction, or before completion of major processes (such as door locks installed before the lock basically is, at this stage the best hand hole study arrangements at this stage). After the painter has finished the construction, the carpentry will be installed again. 2, electrical lighting and switch socket panels should be installed in the wall brush, paint or wallpaper after the completion of work, and then the installation of lamps and switches, socket panel installation. There was such a case: a construction company, to save personnel costs, in the process arrangement for electrical installation of early switch socket, with open cut wallpaper knife switch socket panel, the panel does not accidentally scratched. 3, sanitary ware and bathroom hardware installation, as the current home improvement industry overall management level is still very low, the quality of workers at construction site is generally poor. Therefore, some of the construction site has occurred on the installation of bathtubs, the first use of the phenomenon of construction workers. In recent years, there have been quite a lot of complaints in this respect. Therefore, it is recommended that consumers, unless forced not...
Q:Does hardware affect the tightness of doors and windows?
Wind is one of the major climatic factors in the design of doors and windows. Wind is the motive force of doors and windows deformation, damage, cold air infiltration, rain seepage, and blocking entry into buildings. Therefore, the performance of building doors and windows has the requirements of wind pressure resistance, air tightness and water tightness.Building doors and windows because of the different geographical position, the height of buildings of different factors and the installation of doors and windows position may have positive pressure, negative pressure or positive and negative wind pressure alternation, when subjected to wind pressure is large it may cause serious deformation, broken glass, doors and windows hardware damage, cause the sash fall phenomenon caused by accidents, especially the typhoon area, should pay more attention to high-rise building outside the window due to wind load damage problem.
Q:How to distinguish the advantages and disadvantages of bathroom hardware?
Bathroom hardware coatingProducts: in strict accordance with the national standard electroplating technology, using imported raw copper, nickel, chromium and copper after, three plating process, depending on the sense of thick, shiny, long-term use will not wear, corrosion, foaming or peeling,. Compact structure, uniform coating, color face crisp, generally more than 30 micron in thickness, no scratch coating surface and burr.Liepin: plating layer is thin and uneven, loose structure, poor adhesion, luster, the chrome plated directly in the blank, after a period of time, the surface is easily corroded, wear, blistering and peeling off. The coating thickness is less than 20 microns, the material is easy to be oxidized by air, and the coating surface has many scratches and burrs.
Q:What is suitcase hardware? Do you know?
Luggage hardware accessories can be classified according to the following: material, shape, color, specifications and so on.
Q:What do hardware mainly do?
Stamping partsMaterial and mouldThe hardness of metal stamping parts is measured by Rockwell hardness tester. Small, complex shaped stampings can be used to test surfaces and are too small to be tested on an ordinary desk top Rockwell hardness tester. The PHP series portable surface Rockwell hardness tester is ideal for testing the hardness of these stampings. Alloy stamping parts are the most commonly used parts in the field of metal processing and machine building. Stamping processing is the process of separating or forming metal strip with die. Its application range is very broad.
Q:What do you learn before you sell hardware?
First of all, what is the hardware materials, hardware classification, such as bathroom hardware, hardware tools, electronic hardware

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