Name: MEGATRO 220kV 2E6 SJ1 double circuit light angle tension transmission tower
Brand: Megatro
Availability: InStock

Product Details

This photo refers to our 220kV 2E6 SJ1 double circuit light angle tension transmission tower, it is widely used in our Chinese market. Some of technical features of this tower as follow:

1 climate condition

Item	Temperature (℃)	Wind speed (m/s)	Ice thickness (mm)
Max. temperature	40	0	0
Mini. temperature	-40	0	0
Ice thickness	-5	10	10
Basic wind speed	-5	29	0
Installation condition	-15	10	0
Annual temperature	-5	0	0
Lightning overvoltage	15	10	0
Operation overvoltage	-5	15.5	0
Hot-line work	15	10	0

2 tower design data

Tower

type

Nominal

Height

scope

(mm)

Nominal

Height

(mm)

Horizontal

span

(m)

Vertical

Span

(m)

Angle

Insulator

Type

Horizontal

Span at angel condition

2E6 SJ1

18～30

450

600

0～20

Conductor type: 2×LGL-400/35

OPGW: JLB-150

3 Tower estimated weight and foundation force

Tower

Type

Tower weight scope (kg)

Foundation force scope (KN)

T_max

T_x

T_y

N_max

N_x

N_Y

2E6 SJ1

19679～25070

991～1038

183～205

141～154

133～139

1257～1329

181～186

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)	Anti-push, bending and press strength (N/mm²)	Anti-shear strength (N/mm²)
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 2E6 SJ1 double circuit light angle tension 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.