AZM Oilfield’s non-welded hinged semi-rigid dual bow bow spring centralizers is used in casing jobs on deviated and horizontal wells. Due to dual bow design these centralizer offer high rigidity in addition to desired restoring force of convention bow centralizers, these centralizers are used where high restoring force is desired with low starting force for centralising the casing pipe in vertical and deviated wells. Non Welded self lock design holds the ends of the Bow spring with end collar Spring bows are made with special spring steel that goes through Hardness and tempering process for optimum strength,flexibility and desired restoring Force. Bows are available in a variety of heights to suit different Hole size/casing combinations.