
SaZ s.r.o. is a specialist in the field of design, production, and repair of special road and railway machinery, road-rail vehicles with superstructures, insulated and non-insulated scissor and telescopic aerial platforms, flash butt welding machines, railway track layers, and other machinery for the maintenance of railway and tramway tracks and overhead lines. The company also produces rail trailers and carriers, transporting railway boogies, body superstructures, access ramps, and more. SaZ s.r.o’s products can be used for rail welding, OLE maintenance and renewals, railway track renewals and construction, railway track cleaning, vegetation control, fire-fighting, and other rescue services.
SaZ s.r.o. serves a range of clients, including major international construction companies, urban transport companies, fire and rescue services, and small companies involved in the maintenance and repair of railway and tramway tracks. SaZ s.r.o. has grown and become one of the main suppliers in the Czech Republic and the Slovak Republic, as well as other countries including Denmark, Italy, Hungary, Poland, Germany, France, Spain, Austria, Bulgaria, Latvia, Lithuania, India, Australia, Azerbaijan, Ukraine, Ghana, and Israel.
As a demonstration of its quality, SaZ s.r.o. holds many different certificates, including the ISO 9001:2015 quality management system certificate, ISO 14001:2015 environmental management system certificate, and the EN ISO 3834-2:2005 production management compliance certificate.
Mobile flash-butt welding machines for the rail industry
The road-rail vehicle is equipped with a container welding machine for rail resistance welding in off-road conditions. Both rail adapters are double-axle and are located behind the road axles, with hydraulically driven rail adapters. The actuator can be controlled using a remote control and the vehicle is equipped with direct-acting, parking, braking, and emergency braking. A rear swivel chassis with micro carriage facilitates rail positioning and the welding head is equipped with a built-in tensioner. The machine is also equipped with a video surveillance camera system for reversing, emergency stop buttons along the machine, track lighting, and a lighting system for working in the dark. The welding unit is designed for flash-butt welding rails with a maximum rail cross-section area of 6500mm2-10000mm2.
The WELDERLINER road-rail vehicles are a standard version, equipped with K922-1 type mobile welding heads for flash-butt welding (FBW). The welding head of the K922 type is produced by SaZ s.r.o. and the production quality is checked and guaranteed by EO Paton Electric Welding Institute (PWI) of the NAS of Ukraine.
WELDERLINER is fitted with a welding container (complex) and meets all of the international safety standards for the quality of welded butt joints of rails, and the EU environmental indicator requirements.
SaZ s.r.o. has successfully fulfilled contracts for supplying several WELDERLINER road-rail welding vehicles to customers in the EU. The WELDERLINER road-rail welding vehicles have successfully passed comprehensive testing specified by the European standard EN 14587-2:2009.
In addition to its products, the company also offers maintenance and service options for its clients, as well as training for operators and engineering personnel. The testing and adjustment operations of the road-rail welding vehicles are conducted alongside PWI specialists.
Road-rail catenary vehicles
SaZ s.r.o. produces Road-rail vehicles for the inspection and maintenance of catenary systems. Each vehicle can be modified with different superstructures and devices according to the customer’s requirements, such as insulated or non-insulated scissors type platforms, boom platforms, telescopic platforms, hydraulic loading cranes, and pantographic measuring devices.
Road-rail vehicles for the inspection of tracks and railway bridges
As part of its portfolio of road-rail vehicles, SaZ s.r.o. also produces vehicles for track and railway bridge inspection.
Road-rail rescue vehicles
SaZ s.r.o. also specialises in the production of road-rail vehicles for rescue purposes. The vehicles are mainly used in emergency cases to transport re-railing equipment and rescue brigades.
About SaZ
SaZ s.r.o. regularly participates in specialised international fairs and exhibitions, where it can present its innovations and establish new business relationships. Its longstanding traditions and commitment to quality make the company a reliable partner for customers worldwide.
Since 2011, the company has mainly focused on engineering projects abroad, such as highway construction, road construction, railway construction, real estate construction, and other construction work.