Long Arm Double Needle Sewing Machine for Filter Bags

Long Arm Double Needle Sewing Machine for Filter Bags. Compound Feeding System: Prevents material slippage and forms net stitch with needle feed dog and presser foot. High Sewing Speed: Max sewing speed reaches 1800 r.p.m for efficient production. Dual Lockstitch Formation: Uses imported vertical double rotating hook to form two lines of lockstitch. Convenient Operation: Features knob-type stitch regulator and lever type reverse feeding mechanism. Safety Protection: Equipped with clutch safe device to prevent machine damage. Large Working Space: Working space of 800 mm*270 mm accommodates thick and large cylindrical products. Versatile Applications: Ideal for sewing tents, arches, umbrellas, seat cushions, sofas, and filter bags. Flexible Lift Control: Presser foot lift adjustable by hand (9 mm) or knee (18 mm).