Megatro 138KV single circuit single pole Y-frame structure


A single-circuit transmission line carries conductors for only one circuit. For a three-phase system, this implies that each tower supports three conductors. In single-circuit towers the conductors are lined up horizontally. Single-circuit towers hold the different conductors stacked atop one another, while in single-circuit towers the conductors are lined up horizontally. For 138KV monopole, we can design and produce them as Y-frame structure. It looks like character "Y", and when installed, the structure tubes outward, and creates a Y shape, which is also one type steel lattice power tower, apparently carrying 138 kV, even higher voltage power transmission line, are used in high voltage AC and DC power transmission line systems as well as railway traction, and come in a wide variety of shapes and sizes.


These 138KV single circuit single poles can be manufactured as one large piece, or as several small pieces which fit together. This type of pole often used in city power transmission grid, with little space, economic and lower cost. Now MEGATRO can produce distribution pole with some type as follow:

(1) Flange connection
(2) Slip joint
(3) Step type
(4) Stagger type
(5) Others

MEGATRO can optimize design, to set a compact, narrow base, the pole design not only advanced but practical, with an emphasis on economic rationality to ensure safe and reliable operation. 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. To meet the expectation, we produce shop drawings, components list and full production documentation, and even complete 3D models that facilitate the elimination of all design and drawings errors generated on the drawings. Another advantage is our 3D design and loading & design report, and can optimized the design and save cost for our clients.



MEGATRO is one of the few manufactures who assemble a face of 138KV single pole. 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. MEGATRO 138KV single poles systems can accommodate a variety of cross-arm and other accessories. After fabrication 138KV single poles 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. Even we take secondary finish for client again, which as duplex surface treatment.

Other information:
Availability size: Based on the customer's requirements.
Material: Chinese material or as per clients requirement
Package: Both parties discuss before delivery
Port of Loading: Qingdao Port
Lead Time: One month or based on the customer's needs
Fabrication standard: Chinese Standard or other standard which client accepted

Steel grades
POLE SHAFT: Chinese steel Q345B, which same to ASTM A572 GR50
Other webs, bracing and not stress plate and angle steel: Chinese Q235B, which same to ASTM A36
Plates: Chinese steel Q345B, which same to ASTM A572 GR50
Bolts: Chinese grade 6.8 and 8.8, which similar to ASTM A394
A) Dimension and tolerance for angle are according to GB/T1591-1994, similar to EN 10056-1/2
B) Hot DIP galvanization in accordance with GB/T 13912-2002, which similar to ASTM A 123
C) The welding will be performance in accordance with AWS D1.1 or CWB standard

If any special requirement, we can design and discuss with client.