Fully automatic PLC controlled operation with hands free operation for safe operation. Welds all sprinkler pipes as per IS 14151 as per coupler design. Productivity of 3-4 pipes per minute depending on practice. Welds 1000 pipes per shift. fitted with variable speed motor for feed adjustment. In operation in renouned micro irrigation companies. Possible to have independent head to achieve a productivity of 4 pipes per minute.