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You are currently viewing the James Walker Global website.
Overcoming sealing challenges to help enable a greener more sustainable future through hydro and tidal power generation projects.
At James Walker, we don’t just supply original spare parts for your units; we collaborate with you to develop innovative solutions to leakage problems across your plant. We emphasise our modernisation solutions by providing technical support to replace outdated seals with modern, easy-to-install alternatives. Our team is committed to ensuring a smooth transition to more efficient and reliable sealing solutions.
Our experts utilise a breadth of materials and engineering expertise to meet the sealing challenges of water power generation applications. Working in partnership with OEMs and start-up projects, we have provided answers to critical issues enabling projects and technology innovation in this sector to successfully move forward.
| APPLICATION | PRODUCT | FUNCTION |
| Kaplan & bulb turbines | Back to back Chevron Solosele OSJ-D D7 Walkersele Lofilm Custom mouldings | A proven and well established split bi-directional seal that keeps out water and retains bearing lubrication. A bi-directional sealing set that can be supplied endless, split, or split and joinable OSJ-D set. This seal allows for greater hardwear tolerences. Lip seals used in Allis Chalmers and other turbines. It can seal pressures up to 60 psi and supplied endless or split with OSJ-D Alstom Units use as standard in old design - It could be replaced by Solosele KB Hydro depending on housing. Expansion joint - draft tube |
| Wicket gates | Lofilm Solosele | A multiple ring seal that can hold a wide range of pressures. A single ring seal that can hold a wide range of pressures. |
| Servomotors, actuators & Navlock cylinders | Solosele G Lofilm U rings & custom seals Lionsele | A single ring seal that can hold a wide range of pressures. A multiple ring seal that can hold a wide range of pressures. Over 150 years of experience supplying sealing solutions for clients. Bearing strips |
| Penstock valves | Solosele G D seals Lofilm | A single ring seal that can hold a wide range of pressures. Custom moulded in both homogenous and fabric reinforced elastomers to fit your needs. A multiple ring seal that can hold a wide range of pressures. |
| Boving valves | Custom moulded seals | Custom sealing solutions for large equipment. Engineered to meet your specific application and requirements. |
| Gearboxes | Walkersele, Walkersele OSJ O rings | Bearing lubrication retention. |
| Transformer & switchgear | Nebar CNAF gaskets RotaBolt tension bolting Tico HT pads O rings | Rubberised cork blended seals to seal oil and water applications. Proven fibre reinforced gasketing products used by key global transformer OEMs. Accurately measures bolt tension to ensure proper joint compression. Use for leaning transformers on the soleplates and active parts inside the HV frame. General sealing for inspection doors, frame closure and oil piping. |
| Main shaft seals | D7 Walkersele Lionpak braided packing | Lip seals used in rotary equipment. It can seal pressures up to 60 psi and be supplied endless or split & bondable with OSJ-D system to insure proper sealing. Braided packing used in pumps, valves, and main shaft sealing. |
| Pelton nozzles | O rings Solosele G Lionsele | General sealing for all parts of the nozzle assembly. Seals for inner oil chamber. Bearing strips for moving needle. |
| Heat exchangers | CNAF gaskets | Use in all piping flanges and cooling water system. |
| Stator winding | O rings | Use in all stator wind pure water chamber connections and pure water system. |
Want to discuss your project, engineering or materials challenge expert to expert? Simply provide us with your contact details and a little information about the application you are working on, and one of our experts will contact you as soon as possible.
