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  • Not all rods are created equally...

    Selecting the right rod for your hydraulic cylinder application


    Here at Ramko we are committed to producing long lasting, high quality cylinders. There are various aspects of the cylinder we can look at to improve the life of our cylinders, but one of the most important parts in maintaining longevity is the corrosion resistance of the cylinder rod. Corrosion of the cylinder rod can cause several serious issues, the most common being leakages due to oil passing the seals or damage to the seals themselves.

    hyraulic cyclinder rod

    The most commonly used form of corrosion protection on cylinder rods is hard chrome plating. Chrome plating is used to reduce friction, improve durability through abrasion tolerance and provide rust resistance. Chrome plating is a highly effective protection in normal, everyday environments and at Ramko we always use the highest grade of chrome plating available, however, there are limits to the amount of protection this type of surface treatment can provide.


    Chromium has low tensile strength which leads to the development of micro cracks in the layer.  In environments where there is high levels of corrosive elements or increased potential for mechanical damage these micro cracks can lead to the external environment penetrating the chromium layer resulting in corrosion. A solution to this is to combine the reduced friction of the chrome plating with other treatments or materials to provide the required level of protection.






    Nickle Rod 

    One solution is to use a rod in which the hard chrome plating is combined with an underlying layer of nickel. The tensile strength of nickel is much higher than chromium so it is better able to maintain its anti-corrosion properties in harsher environments.


    Chrome over stainless steel
    In environments and applications where there is a very high-level exposure to corrosive elements, for example marine environments, the non-corrosive attributes of chrome plated stainless steel rod will provide the best protection. As stainless steel is alloyed with chromium & nickel it displays high tensile strength and superb anti-corrosion properties which makes it particularly suitable for highly corrosive environments.


    The results of a 20 year corrosion study from a very corrosive environment - stainless steel has 9,000 times the life of carbon steel in this test.






    Induction Hardened
    If the cylinder is to be used in an application where the risk of mechanical damage is particularly high, the recommended rod treatment is induction hardening. The process of induction hardening involves the heating of steel using an electromagnetic field. This results in extremely high wear & fatigue resistance protecting the cylinder rod from external impact damage.


    Care of Chrome

    While these various types of rods provide different levels of corrosion and damage protection, they all have one thing in common – Hard chrome plating.

    There are steps you can take to protect the integrity of the chrome on your cylinder rod. We strongly advise that all hydraulic cylinders with chrome which is exposed to the elements is regularly greased to protect against corrosion. This is particularly important during machine assembly, transportation and storage. We recommend the application of an adhesive water-resistant grease on all exposed chrome.

    There may also be occasions were the chrome rod needs to be cleaned. If necessary, we recommend that nitric solvent, without chlorate, is used – the use of anything else has the potential to harm or reduce the protection of the chrome.

    At Ramko Hydraulics Ltd, our cylinders are designed with the application firmly in mind. We will advise on the optimum rod type for your application while recognising the need to keep costs at a minimum. If you require a specialized hydraulic cylinder for any application, please contact our technical team to discuss your requirements.

    Special Offers

    We promised you more amazing special offers – and we are delivering. This October we will be offering fantastic discounts on our #1 selling cylinder online, the amazingly versatile 5030200.

    - Order 1-4 cylinders get 15% off
    - Order 5-9 cylinders get 20% off
    - Order 10+ cylinders get 25% off

    This offer is available from the 1st of October and will be running for 1 month only… so don’t miss out!


  • Warm-Up This Winter with our Hydraulic Log Splitter Kits

    Leaves are falling… Autumns calling

    The days are cooler, the evenings are drawing in and it’s almost time to dig the winter woollies from the back of the wardrobe. As the seasons start to turn there is nothing better than cosying up in front of a blazing fire.

    But, as we see the effects of accelerated climate change all around the world, more than ever before, it is important we make the most eco- friendly and sustainable choices possible when heating our homes.

    There are many types of fuel available to us but it is generally recognised that wood is the best choice as a renewable source of heat. The carbon dioxide produced when burning coal and turf has been locked out of the carbon cycle for millennia, whereas the carbon dioxide produced when burning wood is already part of the carbon cycle and would be released naturally when the tree died and decomposed. So, provided the wood used comes from sustainably managed woodland, logs can be considered a carbon neutral fuel!

    Wooden logs are a great, eco-friendly fuel. But to buy logs can be pricy and the more traditional methods of chopping are, quite frankly, exhausting and time consuming (you won’t be able to enjoy the fire, you’ll be too busy chopping/sleeping)



    So why not build your own hydraulic log splitter?

    Ramko supply a range of hydraulic log splitter cylinders in kit form with hoses and control valves, everything you need to set yourself on the way to a lifetime of cheap, guilt free heat.

    Our log splitter kits range from 8 ton to 25 ton and if you require something even stronger (incase you have a giant redwood that needs taught some manners) we have previously manufactured log splitter cylinders up to 80 ton!


    Ramko Hydraulics Log Splitter                         Our 25 ton Log splitter cylinders
    kit with 16ton cylinder                                             Click here for more info
    Click here for more info

    A Ramko log splitter kit, looking very tidy in our customers fabricated frame.

    So, if a lifetime of low cost, eco-friendly fuel sounds good, contact us and we will work with you to find the right log splitter kit for you needs.

    Special Offers

    Our 6040400 Cylinders are still on special offer – but not for long, this offer ends 12th of September so get your order in while you can.
    See below for details or view offer here


  • The Next Generation at Ramko

    The Boss popped in to make sure we're all working hard!


  • National Ploughing Championships


  • New Factory Premises

    New Factory Premises 

    Thanks to you, our customers, Ramko Hydraulic Cylinders has been growing year upon year. So in order to enable us to continue to improve our products and services we have moved into a brand new, purpose built, state of the art factory - which incorporates our office block and trade counter all under one roof. You are very welcome to call in to view our brand new facilities.


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  • New Faces at Ramko

    At Ramko we are dedicated to the continuous improvement of both our Products and our Service. Having the most cutting edge technology is great but its not enough, you also need the best, most forward thinking and highly skilled staff.
    So we are very excited to introduce the newest members of our team.

    Ryan Park - Design Engineer

    If you need any technical advice you can contact Ryan

    Tel: 028 87746253


    Kerri McNally- Administrator / Bookkeeper

    Contact Kerri for any general enquiries you may have

    Tel: 02887746253


  • Spring farm Machinery Show

    Ramko Hydraulics will be exhibiting at this years Spring Farm Machinery Show, in Fintona Co. Tyrone, from the 28th to the 30th of January. Don't miss this opportunity to discuss you cylinder needs with the UK and Ireland's top hydraulic cylinder Manufacturer - We will be exhibiting in our brand new exhibition trailer, so come along and have a look!

  • National Ploughing Championships 2013

    We will be exhibiting at the National Ploughing Championships in Ratheniska from the 24th - 26th of September. This is a chance to speak directly with the top hydraulic cylinder manufacturer in the UK and Ireland - an opportunity not to be missed!! We will follow in August with more details of where exactly to find us. See you there!!

  • New up to date website

    Please browse through our new updated website, some of the new features include displaying our most popular products on our home page, new products available online, a quoting form for bespoke cylinders, and a new section devoted to sub-contracting. We hope this along with new photos and videos will enhance your Ramko online experience!

  • Spring Farm Machinery Show

    Ramko Hydraulic Cylinders will be exhibiting at the Spring Farm Machinery Show in Fintona from Tues 22nd Jan to Thurs 24th Jan. This is a great opportunity to discuss your cylinder questions with an experienced Engineer. We hope to see you there!

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