Envelope SIT WEDGE V-Belts and V-Pulleys

SIT – WEDGE® belts are manufactured in accordance with American standards RMA and MPTA.

SIT – WEDGE® belts are available in two different ranges:

  • MC range (Raw Edge and Moulded Cog): up to 2995 mm length
  • E range (Envelope): over 2995 mm length

SIT WEDGE® V-Belts are constructed according to the Matchmaker® System that ensures improved production tolerances compared to the limits imposed by the regulations.

Belt characteristics

  • Profile:
    • 3VX – 5VX – 8VX
    • 3V – 5V – 8V
  • Static Conductive (ISO 1813)
  • Temperature: -20/+70 °C
  • Tensile members: Vytacord (High resistance polyester)
  • Compound: Wingprene


  • Guaranteed dimensional stability
  • Higher flexibility (Moulded Cog)
  • Reinforced tension member
  • Matchmaker® System


Available with standard V-pulleys in cast iron material DIN 1691 GG20/GG25, with solid hub, for mounting SER-SIT® taper bushing, pre-set with oversized hub for self-locking units or according to customer specifications.

Contact us for more information