Name: MEGATRO 220KV 2D3 SJ4 double circuit tension transmission tower
Brand: Megatro
Availability: InStock

Product Details

MEGATRO 220KV 2D3 SJ4 double circuit tension transmission tower

This photo refers to our 220KV 2D3 SJ4 double circuit 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	-20	0	0
Ice thickness	-5	10	15
Basic wind speed	-5	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
Check icing	-5	10	25

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

2D3 SJ4

15～30

450

650

60～90

Conductor type: 2×LGL -300/40

OPGW: JLB-150

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

2D3 SJ4

20932～30150

1411～1770

222～272

209～269

1796～2200

287～339

258～325

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

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 2D3 SJ4 double circuit 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.