Open Spring Type Spring Vibration Isolator

Easyflex OS type spring vibration isolator is designed to minimize vibration and noise transmission from floor mounted equipment. It has a bottom plate with two fixing holes to secure the spring isolator to the structure. The rubber pad under the bottom plate eliminates high-frequency vibrations. Vibration isolation is achieved by free standing laterally stable steel springs. Springs are designed with 50% overload capacity and the lateral spring stiffness is greater than the vertical stiffness to assure seismic stability. All springs are colour coded for easy identification.

Design Features

  • With bottom plate for securing to the structure
  • Rubber lining to eliminate high-frequency vibration
  • Field interchangeable, colour coded springs
  • Powder coated springs and bottom plates for superior corrosion protection, zinc plated hardware
  • Standard spring deflection of 25 mm (1″) or 50 mm (2″)
  • Load capacity up to 1,280 kg (2,822 lb) as standard
  • Unique expanding rubber and fixing of spring which also provides high frequency attenuation.
  • Nominal 20, 25 & 50 mm deflection colour coded springs with 50% overload capacity.
  • Can be bolted to supporting structure or free standing on 6mm thick ribbed rubber pad.
  • Fully height adjustable.
  • No snubbing gives maximum efficiency.

This unique range of open spring mounting uses an integral rubber end fixing of the spring which sets them apart from all other designs. Loose springs and plates are now history and high frequency and noise attenuation is provided regardless of whether rubber seating pad is used or not.

Vibration isolators shall be free standing, unhoused, laterally stabile steel springs. Springs shall have a lateral stiffness greater than 1.0 times the rated vertical stiffness and shall be designed to provide a minimum 50% overload capacity.

Springs shall be assembled or welded between top and bottom load plates. The upper load plate shall be provided with steel leveling bolts, lock nut and washer for attachment to the supported equipment. The lower load plate shall incorporate a non-skid noise isolation pad and shall have provisions for bolting the isolator to the supporting structure, as required.

Springs shall be selected to provide operating static deflections shown on the Vibration Isolation Schedule or as otherwise indicated on the project documents. Springs shall be color coded or otherwise identified to indicate load capacity.

Spring isolation mounts for floor-mounted equipment shall be Model OS as manufactured by Kanwal Industrial Corporation (Easyflex).

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