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The well cover plate made of steel grid-plate has a variety of
models to be selected to suit different span loads and
requirements.
According to the different material of steel grid well cover, steel
grid well cover is divided into hot dip zinc ditch cover, stainless
steel well cover, brass ditch well cover and so on.
According to the shape of well cover plate, it can be divided into
ordinary well cover plate, U-shaped well cover plate, tubular well
cover plate and open well cover plate.
Specification for selection of size of steel grille manhole cover:
(1). The direction of the steel grating manhole cover flat steel is
the load-bearing (supporting) direction, and the length of the flat
steel is determined by the gap according to the width of the
groove;
(2). The steel grid manhole cover is typesetting according to the
ditch length, and the standard plate width is 995mm in line with
the processing module, and the gap between the plates is 5mm;
(3). The remaining part of ditch length less than 1 meter is
determined by modulus;
(4) Select the type of steel grille plate according to the ditch
width and load bearing requirements.
(5). It is recommended to choose standard size well cover plate for
design and construction, and other specifications can be
customized.
Galvanised Drain Grate | Maintenance platform | Pedestrians fewer platform | Pedestrians dense platform | ||||||
Uniform load=2.5Kpa, deflection 5mm | Uniform load=3.0Kpa, deflection 5mm | Uniform load=4.0Kpa, deflection 5mm | |||||||
Center distance of bearing flat steel | Center distance of bearing flat steel | Center distance of bearing flat steel | |||||||
30mm | 40mm | 60mm | 30mm | 40mm | 60mm | 30mm | 40mm | 60mm | |
32x3 | 1700 | 1580 | 1430 | 1620 | 1510 | 1360 | 1510 | 1400 | 1270 |
40x3 | 2010 | 1870 | 1690 | 1920 | 1780 | 1610 | 1780 | 1660 | 1500 |
25x5 | 1600 | 1490 | 1530 | 1530 | 1420 | 1290 | 1420 | 1320 | 1200 |
32x5 | 1930 | 1790 | 1620 | 1840 | 1710 | 1550 | 1710 | 1590 | 1440 |
40x5 | 2280 | 2120 | 1920 | 2180 | 2030 | 1830 | 2030 | 1890 | 1700 |
Galvanised Drain Grate Application
1, petrochemical industry, due to the excellent corrosion
resistance, in the oil, water conservancy, textile printing and
dyeing, food processing, electronic industry, sewage treatment,
shipbuilding, civil construction, power engineering electric power
substation, is widely used in chemical industry, corridor, stairs,
handrails, operation platform, drainage system, the identification
marks of the sea, the well of the sucker rod, all kinds of
anti-corrosion stents.
2, power: because of its superior performance, extruded profile is
widely used as an insulating supporting member, high voltage cable
bridge, antenna column, high voltage current operating rod.
3, transportation: in the train, car used as a layering, corner
board, can also be used as a highway guardrail, sound-absorbing
board, anti-dazzle board.
4, construction: can be used as roof support, building guardrail,
door, window frame.
Galvanised Drain Grate Advantages:
1, the use of hot dip galvanized surface treatment: has a strong
rust resistance.
2. Domestic advanced cover design: the drain cover made of steel
grid plate is hinged with the frame, which is anti-theft, safe and
easy to open
3, the product appearance is beautiful: simple lines, silver
appearance, modern idea
4, large mesh with the best drainage: water leakage area of 83.3%,
more than twice as much as cast iron.
5, save investment with materials: large span, heavy load, lower
than the price of cast iron;
It can also save the cost of replacement of cast iron covers due to
theft or crushing.
6, the use of high strength carbon steel, so that the steel plate
has a very high strength: strength and toughness is much higher
than cast iron, can be used for wharves, airports and other large
span and heavy load environment.
7, product variety: to meet the needs of different environment,
load, span and shape, can be provided according to customer size
and shape.
Delivery when will we have a professional inspectors to check the
quality of the product is unqualified, such as qualified will paste
the qualified product certificate, and then fixed by shipping
packaging, packaging with the steel plate on the metal tray, and
then fixed with metal packing tape, finally wrapped by plastic film
packaging, general each pallet packing 1-2 tons of cargo, in order
to convenient for unloading and storage after the arrival of the
goods. The unqualified products will be recalled by our quality
inspector.
After the customer orders, we will have professional technical
personnel to contact with the customer, in order to meet the
customer's technical inquiry and production schedule.