Telescopic extension spindle set galvanised steel

Telescopic extension spindle set for gate valves, manufactured in galvanised steel. The extension spindle set connects by thread directly to the valve stem and transfers the operation up to ground level, where wings at the top connect to the surface box. The telescopic design allows the length to be adjusted on site, which means the same extension spindle set can be used at varying laying depths and that the number of items held in stock can be kept down. The extension spindle set is available in several length ranges, from short versions for shallow-laid pipes up to telescopic lengths of 5.25 m, and fits valves in sizes DN 50 to DN 500. An outer protective tube encloses the operating rod and protects it against damage and against ingress of soil and water during operation.