Safety is Our Top priority –All our curved stairlifts are always fitted with safety sensors and an easy-to-use seatbelt. You can fasten the seatbelt and ride your stairlift safely knowing that it will stop gently if it comes across any obstacle on the track. Contact Stannah Mountain West Stairlifts now at (888) 542-3834 If you are looking for a Stannah stairlift for curved staircase Utah.