GK35 Heavy Duty Bag Closing Machine: Class GK35 sewing head is special designed for closing bags filled with flour, grain, fertilizer, feed, chemicals, seed, coffee, sugar, salt, dog food, minerals, and hundreds of other products. Working with a column and belt conveyor, it can accomplish packing operation efficiently. Model GK35-2C(Similar to 80800C): Single needle, two threads Start-stop: actuated by foot switch of column Thread chain cutter: by continuously driven nibbler knives Standard needle: 80800x 200~250# Stitch length: adjustable from 6.5-11 mm, standard setting 8 mm Speed: up to 2000 RPM, depending on sewing material and operation 500*500*325mm, 35Kg, Carton package; As our standard bag closers do not include any electric components, they can be installed in ex-proof locations. Model GK35-6A(Similar to 80800R): Single needle, two threads Start-stop: automatically by photoswitch Thread chain cutter: automatically by air cylinder operated guillotine cutter Stitch length: adjustable from 6.5-11 mm, standard setting 8 mm Standard needle: 80800 x 200-250# Speed: up to 2000 RPM, depending on sewing material and operation Tape folder: adjustable for 50-70 mm wide tape (selected or not) 500*500*325mm, 36Kg, Carton package; Model GK35-6B The same with GK35-6 expect that equipped with jump-out scissor, which can automatically cut up threads only. Model GK35-8 Double needles, four threads Start-stop: actuated by foot switch of column Thread chain cutter: by continuously driven nibbler knives Standard needle: 80800x 200-250# Stitch length: adjustable from 6.5-11 mm, standard setting 8 mm Needle distance: 6 mm, staggered Speed: up to 2000 RPM, depending on sewing material and operation 500*500*325mm, 36Kg, Carton package; As our standard bag closers do not include any electric components, they can be installed in ex-proof locations. Model GK35-8A Double needles, four threads Start-stop: automatically by photoswitch Thread chain cutter: automatically by air cylinder operated guillotine cutter Stitch length: adjustable from 6.5-11 mm, standard setting 8 mm Standard needle: 80800 x 200-250# Speed: up to 2000 RPM, depending on sewing material and operation Tape folder: adjustable for 50-70 mm wide tape (selected or not) 500*500*325mm, 37Kg, Carton package;