When people talk about 7inch tablet, kids appears on their minds, especially for elementary students or kindergarten kids for playing intelligent exploitation games or online learning. Clients usually choose 7 inch tablet wifi only as 7 inch educational tablet for project, wifi one is much cheaper. Of course, 7 inch Android Tablet with 3G lite or 4G lite also optional. You can always see a right tablet at this store, no matter amazon 7 inch tablet, 8 inch android tablet, or 10.1 android tablet.
Except android tablet and window tablet, there are Education Laptop, Mini PC , All In One PC, which are is the main series at this store. Any other special configuration interest, just email or call us, you will receiving value information in 1-2 working days.
To meet clients` changing requirements, we contributes 10-20% profit to develop new designs according market research and client`s feedback.
So you are always welcome if can share your special demand or your clients opinion for the products.
7 Inch Tablet,7 Inch Android Tablet,Amazon 7 Inch Tablet,7 Inch Tablet Wifi Only,7 Inch Educational Tablet Henan Shuyi Electronics Co., Ltd. , https://www.shuyioemelectronics.com
MEGATRO 220KV 2E8-SZ3 DC tangent transmission tower
This photo refers to our 220KV 2E8-SZ3 DC tangent transmission tower, it is widely used in our Chinese market. Some of technical features of this tower as follow:
1 climate condition
Item
Temperature (ºC)
Wind speed (m/s)
Ice thickness (mm)
Max. temperature
40
0
0
Mini. temperature
-20
0
0
Ice thickness
-5
10
10
Basic wind speed
-5
33
0
Installation condition
-10
10
0
Annual temperature
15
0
0
Lightning overvoltage
15
15
0
Operation overvoltage
15
18
0
Hot-line work
15
10
0
2 tower design data
Â
Tower
type
Nominal
Height
scope
(mm)
Nominal
Height
(mm)
Â
Horizontal
span
(m)
Vertical
Span
(m)
Â
Angle
º
Insulator
Type
Â
Horizontal
Span at angel condition
2E8-SZ3
24~45
39
500
650
0~2
I type Insulator
/
45
480
650
Â
Conductor type: 2×LGJ -400/35
OPGW: JLB-150
Tower estimated weight and foundation force
Â
Tower
Type
Tower weight scope (kg)
Foundation force scope (KN)
Tmax
Tx
Ty
Nmax
Nx
NY
2E8-SZ3
13730~21238
760~847
93~102
83~91
930~1022
106~118
98~107
4Here is the design strength of Chinese tower steel
Steel material
Anti-push, bending and press strength (N/mm2)
Anti-shear strength
(N/mm2)
Grade
Thickness or diameter (mm)
Q235
Steel
≤16
215
125
>16~40
205
120
>40~60
200
115
>60~100
190
110
Q345
Steel
≤16
310
180
>16~35
295
170
>35~50
265
155
>50~100
250
145
Q420
Steel
≤16
380
220
>16~35
360
210
>35~50
340
195
>50~100
325
185
Q460
Steel
≤16
415
240
>16~35
395
230
>35~50
380
220
>50~100
360
210
5 Here is the design strength of our Chinese tower bolts
Item
Grade
Anti-push strength (N/mm2)
Anti-shear strength (N/mm2)
Fastener
for towers
4.8
200
170
5.8
240
210
6.8
300
240
8.8
400
300
Anchor
 bolts
Q235
160
/
Chinese 35 steel
190
/
Chinese 45 steel
215
/
Remark: above technical data only references for our client, we can design every type for our overseas clients.
MEGATRO is a full service engineering company with a global reputation for delivering excellence and innovation in power transmission, transformation, distribution, and telecommunications systems. Our MEGATRO provide and design this type 220KV 2E8-SZ3 DC tangent transmission tower mainly for our Chinese and overseas client. Since 2004, MEGATRO focus mainly international market and had export many kind of transmission structures to overseas clients. MEGATRO has been manufacturing lattice transmission tower & tapered steel poles for lighting, traffic control, communication and utility applications. MEGATRO pioneered the development of transmission tower, telecom tower, substation, and other steel structure and was also at the forefront in the design of Transmission tower.
Over 10 years of experience and innovation in engineering, designing and building towers has evolved MEGATRO into its current form:
A complete selection of towers including self-support, lattice steel tower, monopoles and guyed towers, form custom-designed radar towers to broadcast towers and energy infrastructure. MEGATRO carries a variety of related products including fall protection, transmission lines, antennas, obstruction lights, and accessories, and other products if client need, MEGATRO also tailored product as per client condition.
MEGATRO mainly design all kinds of towers and posts for:
Our complete selection of towers includes: