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Model No. : | MGP-ST138 |
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Brand Name : | MEGATRO |
Product description
138KVSUSPENSIONTOWERFOR POWER TRANSMISSION
In
an electric power transmission line, a suspension tower is where the conductors
are simply suspended from the tower, the mechanical tension being the same on
each side. In this case, the tower is supposed to carry a downward force, and a
lateral force, but not a longitudinal force.
These may have, for each conductor, an insulator string hanging down from the
tower, or two strings making a "V" shape. In either case, sometimes
several insulator strings are used in parallel to give higher mechanical
strength. These are used where a transmission line continues in a straight
line, or turns through a small angle. In other cases, a tension tower (C or D
Towers) is used.
138KV power transmission line suspension tower is widely use for urban power
gird and rural areas, which cross city building, road, river and any obstacles.
MEGATRO can optimized design and make tower less weight, high strength, proper
span distance, good wind resistance, and economy in the use of materials. MEGATRO
especially provide every type of 138KV suspension towers to our oversea
clients, such as African and American clients.
MEGATRO is equipped with sophisticated machinery and equipment for the
manufacture of monopole for 138KV power transmission line suspension tower, and
offers a variety of designs to meet client specific. Lattices of triangular
cross-section are most common, and square lattices are also widely used. After
fabrication all 138KV power transmission line suspension tower, are delivered
to the galvanizing facility to be Hot DIP Galvanized. Towers are processed
through the facility by Caustic Cleaning, Pickling, and then Fluxing. These
strict procedures insure years of maintenance free towers.
Other information
Place of Origin:Qingdao,Shandong,China.
Availability size: Based on the customer's requirements
Material: Chinese material or as per clients requirement
Fabrication: Based on the customer's drawings and technical requirements
Package: Both parties discuss and agreed before delivery
Terms of Payment: L/C, T/T
Minimum Order Quantity:5 tons
Port of Loading: Qingdao Port
Delivery Time: One month or based on the customer's needs
Performance Standard
Besides conform to the drawing and design, the materials and fabrication of
tower components shall conform to the Chinese Standard or other standard which
clients can accept.
Besides conform to the drawing and design, the materials and fabrication of
tower components shall conform to the following standards (Chinese Standard or
other standard):
1. GB/T2694-2003 Transmission line tower - - Technical requirements for
manufacturing
2. JGJ81-2002: Technical specification for welding for steel structure of
building
3. GB9787-88: Measuring and allowable tolerance for hot-rolled equal angle
4. GB709-88: Measuring and allowable tolerance for hot-rolled plate and strip
5. GB/T699-1999: Quality Carbon Structural Steel
6. GB/T1591-1994: Low alloy high strength structural Steel
7. GB700-88: Carbon Structural Steel
8. GB222-84: Method of sampling steel for determination of chemical composition
and permissible variations
9. GB/T228-2002: Method for Tensile testing of metals
10 GB/T232-1999: Method for Bending test of metals
11 GB/T5117-1995: Carbon Welding Rod
12 GB/T5118-1995: Low Alloy Welding Rod
13 GB/T8138-1995: Welding wires for gas shielding arc welding of carbon and low
alloy steels
14 GB/T10045-2001: Carbon steel flux cored electrodes for arc welding
15 JB/T7949-1999: Weld outer dimensions for steel construction
16 GB50205-2001: Test Standard for Acceptance of Steel Structure
17 GB/T470-1997: Zinc Ingot
18 GB3098.1-2000: Mechanical properties of fasteners-Part 1: Bolts, screws and
studs
19 GB3098.2-2000: Mechanical properties of fasteners-Part2: Nuts, and thread
20 GB3098.3-2000: Mechanical properties of fasteners-Part3: Fastening screw
21 GB/T5780-2000: Helical Bolts Grade C
22 GB/T41-2000: Helical Nuts Grade C
23 GB/T90-2002: Flat Washer Grade C
24 GB/T13912-2002: Metal Coating, Technical Requirement
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