FIRSTPOWER offers a full assortment of starting batteries delivering a multitude of applications. Those products are made to fit automotive, truck, SUV, heavy-duty, commercial, marine, RV, lawn & garden as well as many other niche applications.
We welcome orders with "FirstPower" brand; We are also flexible to accept orders on OEM basis. Contact us now! Your partnership with FirstPower will prove worthy of it.
Sli Battery,Sli Car Battery,Maintenance Free Sli Battery,Motor-Bike Sli Battery Firstpower Tech. Co., Ltd. , http://www.firstpowersales.com
This photo refers to our 220KV 2B1-ZM1 SC 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
0
23.5
0
Installation condition
-10
10
0
Annual temperature
15
0
0
Lightning overvoltage
15
10
0
Operation overvoltage
15
15
0
Hot-line work
15
10
0
2 tower design data
Tower
typeNominal
Height
scope
(mm)Nominal
Height
(mm)Horizontal
span
(m)Vertical
Span
(m)Angle
ºInsulator
Type Horizontal
Span at angel condition
2B1-ZM1
18~36
30
350
450
/
I type Insulator
/
36
320
450
/
/
Conductor type: 2×LGJ -400/35
OPGW: JLB-150
3 Here 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
4 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.
Â
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 2B1-ZM1 SC 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:
Â
Our complete selection of towers includes:
Â
MEGATRO also designs and manufactures tower related products including:
Today, with over 10 years of experience and our commitment to excellence, MEGATRO remains an industry leader in the manufacture and design of steel tubular & angular & monopole structures for all Highway, Municipal, Custom, telecom, lighting and electric Utility applications. MEGATRO has a complete staff of professional engineering personnel trained in the PLS Pole program and three different manufacturing processes for producing steel towers, poles and other supports. We utilize the latest versions of PLS-CADD, PLS-POLE, TOWER, AutoCAD and other CAD software.
Â
The structure shall be designed according to load combinations given as per IEC 61936-1 and as illustrated below:
Normal loads
1 Dead weight load
2 Tension load
3 Erection load
4 wind load
Â
Exceptional loads
1 Switching forces
2 short-circuit forces
3 Loss of conductor tension
4 Earthquake forces
Moreover, MEGATRO is fully equipped and qualified to carry out Design Engineering services which includes:
√ Overhead Transmission line steel tower & Telecom steel tower
  Basic Design and Analysis
√ Shop Erection Drawings
√ As-Built Drawings
Â
MEGATRO performs in-house design activities specializing in electrical overhead transmission &telecom tower steel works, which include wind and earthquake loading, static analysis, stress analysis by finite element methods and fatigue. Our Engineering Department is boasting of highly qualified engineering who are conversant with international codes and standards. The work is carried out with extensive use of CAE/CAD via a large of computer network. The computer hardware & drafting software are liked to the CNC workshop equipment for downloading of information thereby eliminating error and saving valuable production time.
Â
Besides, MEGATRO is one of the few manufactures who assemble a face of 220KV 2B1-ZM1 SC tangent transmission tower This attention to quality may not be the cheapest process but it does insure every tower meets our high standards of quality. And it helps to reduce on-site construction cost due to mismatched assemblies. After fabrication all 220KV 2B1-ZM1 SC tangent transmission towers are delivered to the galvanizing facility to be Hot DIP Galvanized. Towers are processed through the f
Model NO.: MGP-220KV-2B1-ZM1
Structure: According to Client′s Technical Specification
Design Software: Pls Pole & Tower
Accessories 1: Power Fitting
Accessories 2: Conductor and Cable
Accessories 3: Tower Earthing Kits
Accessories 4: Tower Foundation
Accessories 5: Anchor Bolts and Template
Accessories 6: Insulator
Trademark: MEGATRO
Transport Package: Export Standard Package
Specification: AS PER CLIENT
Origin: Shandong, China
HS Code: 73082000
Model NO.: MGP-220KV-2B1-ZM1
Structure: According to Client′s Technical Specification
Design Software: Pls Pole & Tower
Accessories 1: Power Fitting
Accessories 2: Conductor and Cable
Accessories 3: Tower Earthing Kits
Accessories 4: Tower Foundation
Accessories 5: Anchor Bolts and Template
Accessories 6: Insulator
Trademark: MEGATRO
Transport Package: Export Standard Package
Specification: AS PER CLIENT
Origin: Shandong, China
HS Code: 73082000
MEGATRO 220KV 2B1-ZM1 SC tangent transmission tower