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    Contact Information

    Head Office (Darwin)


    Brisbane / PNG





    Established over a century ago in the United Kingdom, Bifold started as a manufacturer of steam valves and gas detection lamps for use in coal mines. Today, Bifold Group, now a Rotork brand, is a leading manufacturer of electro-hydraulic and pneumatic directional control valves and accessories for use in the oil and gas industry.

    Bifold-Solenoid-Valves  Bifold-Pilot-Valves


    What are the benefits of Bifold valve products?

    Major oil and gas operators across the world depend upon Bifold Fluidpower products to perform in the most extreme conditions both onshore and onshore. Bifold’s depth of knowledge has been well-developed over the past century, enabling it to identify the optimum solution for each application.

    Bifold has over 3000 product designs including valves for pressures from 10 to 20,000 psi, ambient temperatures from -50°C to +180°C and fluid contamination levels beyond NAS 1638 Class 12.

    Its subsidiary, Bifold Fluidpower, is famous for providing expert solutions for actuated process valve and wellhead control systems throughout the oil and gas production and processing industry in Australia.

    Bifold valves in Australia are well-renowned for providing specialised valves. They are largely associated with offshore oil and gas applications, however, they are also great for use onshore applications, particularly in coastal environments where stainless steel parts and accessories are necessary.

    Bifold Fluidpower provides end-to-end specialised products to your project requirements. From design, through to manufacture and installation of hydraulic and pneumatic instruments, process, directional control valves, pumps and actuator electronic control and positioning systems.

    Bifold also offers a large selection of pumps, pump sets and pressure intensifiers along with other high-pressure stainless steel hydraulic equipment. For further sales, training or support enquiries, contact one of our valve experts today.

    What industry are Bifold products used in?

    Oil & Gas Facilities


    Storage and Fluid Transportation

    Power Industry


    Plastics and Polymers



    Chemical and Petrochemicals


    Local Industry

    What products do Bifold offer?

    Hydraulic Solenoid Valves

    Pneumatic Solenoid Valves

    Directional Control Valves

    Valve Control Systems

    Relief Valves

    Hydraulic Flow Control Valves

    Pneumatic Flow Control Valves

    Hydraulic Pumps

    Electronic Control and Positioning Systems

    Pump Sets

    Fire Safety Valves

    Stainless Steel Hydraulic Accessories

    Why Choose Winnellie?

    At Winnellie Valve and Process we pride ourselves on our service quality. Our team provides specialised technical advice and bespoke after-sales support for all Bifold products that we supply to our customers.

    In 2021, our Winnellie Valve & Process division launched, marking an exciting new chapter for our team, our suppliers and valued customers allowing us to provide an even closer focus to providing and servicing critical valve & process applications Australia wide. Our hands-on approach means you receive access to our training, sales and after-sales support for all your products.

    Winnellie Valves & Process is a distributor for a wide range of valve and process control equipment for petroleum refining and production plants, offshore oil and gas facilities, subsea, power industry, mining, pulp and paper, fertiliser, chemical and desalination plants.


    Valve and Process Training Options

    Do you require expert training in valves and associated tools and equipment? We provide in-house and on-site custom training programs for you and your personnel. Get in touch with one of our expert valve and process trainers today to book yourself in.


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    Winnellie Group
    Based on 22 reviews
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    Jutta TilleryJutta Tillery
    14:34 02 Apr 22
    Excellent customer service, kept us updated throughout the delivery process really looking forward to doing business with Waltan Tools again soon
    Daniel and ScottDaniel and Scott
    12:02 29 Jun 21
    We have done business with Winnellie Hydraulics on numerous occasions and find them to always be nothing but professional, honest and reliable.Their customer service is excellent and they are always a pleasure to work with. We would highly recommend Winnellie Hydraulics and we look forward to continuing business with Max and the team in the up and coming future.
    Damien PedersenDamien Pedersen
    06:23 15 Feb 21
    Winnellie Hydraulics are up most professional and I am always impressed with the service offered and provided. The team at Winnellie Hydraulics are highly skilled, innovative and ever reliable. They continue to be the Territory’s leading service specialists within the fields of the hydraulic and pneumatic services and solutions. The team have a broad range of knowledge in hydraulic, pneumatic, hose management and products across a extensive range of divisions. The team at Winnellie Hydraulics are easy to work with and really appreciate their customers and strive for continuous business improvement.
    Rob NorthRob North
    07:53 10 Feb 21
    Efficient, professional and dedicated. The team at Winnellie Hydraulics are a pleasure to work with and are customer service specialists.Max and the team have taken on many challenges to assist with emergent scopes at our onshore facility in Darwin. They go above and beyond to meet the timeline required without missing a beat on quality.I highly recommend dealing with them and look forward to future business.Thanks guys
    Darren SteeleDarren Steele
    02:59 07 Feb 21
    For all your Hydraulic & Pneumatic needs, Winnellie Hydraulics has you covered.Max and the team run a great operation that supports the Oil & Gas and Mining industries.With great brands supporting them, they are truly the one stop shop for all your engineering needs.
    Dipak NandDipak Nand
    23:06 04 Feb 21
    The team at Winnellie hydraulics, is great to work with, they understand our priority and service delivery to our Defence clients, No job too small or big and delivering of high quality products and service. Also really easy to deal with in regards to faults/ warranty and SME service . Highly recommended to use.
    Darren UptonDarren Upton
    22:54 04 Feb 21
    Winnellie Hydraulics are a Parker PPD for the NT which means they have full access to all Parkers Hannifin products & our local Engineering team in Australia who can work with Winnellie on any projects where clients needs are meet using Parkers products & their insulation experience
    Ben TilbrookBen Tilbrook
    07:35 04 Feb 21
    Outstanding commitment to their customers, in my experience there isn’t anything that is too hard for this mob. Always prepared to find solutions to their customers now matter how big or small the request. A great family business who take pride in providing product and service.
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