Suction couch roll Suction Couch Roll is one of the main parts for fourdrinier dehydration and transmission of paper machine. The roller shell of Suction Couch Roll designed by our company is made by precision machining with SUS304 stainless steel rolling. The roller surface openings are arranged into a double helix, the opening rate is more than 60%, effectively improve the strength and dewater evenness of the roller shell. Special seal has good self-lubrication and wear-resisting performance. The inner vacuum chamber is welded with SUS304 stainless steel plate, the bottom of the vacuum chamber is equipped with nylon roller, convenient for installation and disassembly. Suction Couch Roll is used in the fourdrinier, to effectively reduce water content of wet paper, to improve the wet paper web strength and to decrease the wet paper web breakage rate, which will improve the operation efficiency of paper machine. Optional items: Rubber covered roll surface. Seal material: domestic/import Read more