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SB.50 Hydraulic Underground Gate Operator

Heavy-duty hydraulic underground operator

Product Details:
  • Maximum safety and reliability
  • Perfect symmetry
  • High-quality materials
  • Safe and precise manoeuvring
  • Very easy to install




Hydraulic actuator for fitting underground, with built-in hydraulic control unit.
Reversible, without blocks, for gates up to 5 m, with hydraulic slowing down on opening and closing.

  • Maximum safety and reliability

    The compact single-piece construction is designed for maximum safety. The internal connections reduce the risk of the oil leaking.

  • Perfect symmetry

    The same actuator can be installed on the right or left leafs.

  • High-quality materials

    Made from very high-quality materials. Profiles and headers made from corrosion-proof anodised aluminium, steel cylindrical tubes with Niploy treatment and aluminium cap protecting the metal adjustment valves. Piston unit made entirely of aluminium.

  • Safe and precise manoeuvring

    The brass adjustment screws and double-action slowdown mechanism provide very precise manoeuvring and make the system very safe.

  • Very easy to install

    Installation is easy with the hydraulic control unit assembled in a single piece with the ram. The free-standing foundation block means that the actuator can be replaced without dismantling the gate.




Additional information

Built in Physical Stops


Motor Supply


Motor Type


Max Gate Width


Max Gate Weight




Wind Resistance

Strong breeze

Gate Usage


Opening Time (Secs)

20 seconds

Choose kit option

Motor Only, Single Kit, Pair Kit

Common Spare Parts

SB.FB – Foundation box SUBWAY motor SB.SL – Manual release SUBWAY motor (Hex key) SB.KL– Manual release SUBWAY motor (Keyed)

Technical Drawing

Download Instruction Manual

Download Datasheet

How to order

As a trade customer, call us today on 01488 658 276 or email your enquiry to We can take your order over the telephone, via email, or in person with one of our sales reps at our trade counter. Apply for a trade account today here. Beninca Automation UK Ltd does not sell to the end-user, our equipment is designed specifically for professional gate and security installers who have received adequate levels of training.


We hold over £1Million worth of stock at our premises in Newbury, Berkshire. For all items in stock, we aim for same-day dispatch for all orders received before 14:00 pm. For orders that include made to measure safety edges, our cut of time for same-day dispatch is 11:30 am. We use various third partner courier companies and all goods are dispatched on a next delivery basis. Timed deliveries are available upon request.

Returns & Warranty

All Benincà Group products bought directly from Benincà UK, are covered by a 30-month warranty from the date of installation and must be registered using our online form. If the installation is not registered, the 30-month period is valid from the date of invoice.

If goods are suspected to be faulty within the warranty period, please complete the returns form

Related products

Unbeatable quality

All Benincà Group products are 100% Italian made and produced to the highest build quality. Every product undergoes extensive quality control checks, ensuring they are produced to the premium class we are renowned for.

30-month warranty

We offer piece of mind with all Benincà products, as standard they come with a set 30-month warranty. Our products are built to last, however if for some reason you do encounter an issue, you will be covered.

Dedicated support

We pride ourselves on delivering exceptional customer service, both pre and post-sales. Our team of experts are on hand to provide you with any support, this can be delivered via the telephone, over email, on-demand via WhatsApp or in person.

Huge UK stock levels

With a 10,000 square foot warehouse, we hold a substantial amount of stock, ensuring we continuously meet our customer needs. Our stock is regularly replenished with goods arriving in from Italy every few weeks.

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