Main centres: | 1-3 business days |
Regional areas: | 3-4 business days |
Remote areas: | 3-5 business days |
Effective in boreholes of 60m and deeper. Rust protector is mounted at the top of the cylinder which have a pump rod support that makes the cylinder 50mm longer than the normal AS-models. As pressure on the plunger rings is higher in the ASRDS models than in the AS models, they have a double plunger set. The foot valve on these models work on the same principle. Cylinder 550mm with 360mm stroke length.