Atlas Retention Socket

The Atlas Retention Socket is a secure foundation system that makes it easy to remove and replace a column without excavation.

The Atlas has an isometric clamping mechanism (i.e. equal pressure across the circumference of the pole) which creates a very tight grip without damaging the surface coating or distorting the column installed within the socket.  The superior grip of the Atlas clamp prevents pole rotation in high wind locations, making the Atlas socket the strongest gripping socket on the market. Tested to a torque of 2.24 kNm (168 mm diameter column). The Atlas Retention Socket is designed to remain in the ground undamaged following a knockdown of the pole.

The ease and speed of replacement that the Atlas Retention Socket provides drastically reduces maintenance and keeps traffic flowing. A traffic signal installed using the Atlas Retention Socket is easier to replace following the knock down of the pole and contributes to reduce downtime in busy traffic signal junctions.

The Atlas Retention Socket incorporates circular, brushed stainless steel cover plates.  This bright, concentric design complements the column that it holds whilst also providing a water tight seal protecting the pole and clamping mechanism from the ingress of water, dust, dirt and debris.

Features and Benefits
  • Uniform gripping action. High strength grip (2.24 kNm).
  • Poles are clamped securely without piercing or surface damage.
  • 100% stainless steel construction – high rust resistance.
  • Circular design and a stainless top cover which is concentric with the poles.
  • Fast replacement of poles and columns.
  • Flexible planting depth.
  • Rotating cable entry.
  • Sweeping bend duct option for easy feeding of SWA cables.
  • All to reduce installation, maintenance and repair costs and traffic disruption.
  • Pole integrity is protected, increasing service life.
Strong Clamping Mechanism

The Atlas Retention Socket features a strong clamping mechanism able to securely hold the pole in place. The clamping mechanism features uniform gripping and will not pierce or damage the pole. This is of particular benefit with passively safe products made from softer materials such as aluminium or composite plastic.

The design of this retention socket also features an aesthetic improvement as its mechanism is more compact than other side-locking mechanisms and the stainless steel, decorative top covers can complement more attractive street designs. The stainless steel top covers in brushed stainless steel provide a smart look.

We’ll be happy to discuss your project needs. As manufacturers, we’re able to accommodate any customisations that may be required. Ritherdon products are manufactured in-house and made in Britain.

Flexible Planting Depth

Whilst the planting depth of the standard units is 450mm, increasing the planting depth is very easy using extension pieces which are available in three sizes:

  • 150mm
  • 300mm
  • 450mm

This allows the post planting depth of the Socket to be increased to 600mm, 750mm, 900mm, 1050mm, and so on.

Extension pieces can also be made any size to suit specific requirements.

Suitable for Electrical Disconnection using PolePlugs

The Atlas Retention Socket may be used in combination with the IP68 Poleplug system to make both the column and electrical/data reinstatement as fast and as easy as possible. This saves time on site following an accident: reducing cost and improving contractor safety.

Lightweight Stainless Steel Socket

The Atlas Socket is fabricated using Stainless Steel grade 1.4003. This is a utility ferritic stainless steel. It was chosen because it offers the benefits of more highly alloyed stainless steels such as strength, corrosion and abrasion resistance, durability and low maintenance (See more properties of stainless steel). In addition, type 1.4003 is weldable and formable allowing it to be fabricated using conventional techniques and is perfect for this application.

The socket is powder coated for added durability with no need to galvanise. Therefore there is no need to add extra thickness to withstand the galvanising process. The result is a lightweight product that is easy to handle on site and during installation.

Atlas Socket Documentation

Atlas Socket Drawings

Cable Entry Duct Options
For Non-Illuminated and Illuminated Applications.

The Atlas Sockets are available in the following standard sizes:

Post Diameter
Available Planting Depths
76450, 600,750, 900
89450, 600,750, 900
115450, 600,750, 900
140450, 600,750, 900
145450, 600,750, 900
168450, 600,750, 900
Standard duct connector

Available Duct Foot connector or as a Tee entry connector.

Sweeping bend cable entry

The sweeping bend duct connector makes it very easy to feed SWA cable into the retention socket.  Like the standard duct connector, the sweeping bend is fully rotatable.  The base plate at the foot of the bend stabilises the socket during installation.

The sweeping bend made this installation in Scotland easier.


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