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SIT TORQUE-FLEX® narrow “XP” high-performance belts are manufactured in accordance with European standards ISO 4184 and DIN 2215. Designed for high-speed operation on small-diameter pulleys and short center distances, they are also suitable for use in multiple V-belt drives where high shock loads and heavy loads are encountered. No special selection is required for multiple drives, as they are manufactured according to the Matchmaker® System , which ensures tighter production tolerances compared to regulatory limits.
Available with standard V-pulleys made of DIN 1691 GG20/GG25 cast iron, with solid shaft, for mounting SER-SIT® tapered bushes, preconfigured with oversized hub for self-locking units or according to customer specifications.
SITEX® NYLEX® couplings are made of 100% polyamide. Two versions are available:
SITEX® FL couplingsconsist of a steel hub and a glass fiber reinforced polyamide flange that offers mechanical strength and dimensional stability across various temperature ranges.
SITEX® FL couplings are used in connections between the flywheels of internal combustion engines and: Hydraulic pumps, pistons, and compressor blades.
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