the technical spec of standard self-align welding rotator is as following,we can provide special welding rotator according to customer's requirement ModelMax. loading(kg)Applied job dia.(mm)Wheel dia. & width(mm)Wheel linear speed(m/h)Motor power(kw)Speed adjustRubberMetal90°pincers frame120°pincers frameGZ55000φ250-2300φ250-3000φ250×1002×φ244×206-600.75InverterGZ1010000φ320-2800φ320-3600φ300×1202×φ294×256-601.1GZ2020000φ500-3500φ500-4300φ350×1202×φ344×306-601.5GZ4040000φ600-4200φ600-5200φ400×1202×φ394×406-603GZ6060000φ750-4800/φ450×1202×φ444×506-604GZ8080000φ850-5000/φ500×1202×φ494×606-604GZ100100000φ1000-5500/φ500×1202×φ494×806-605.5