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Spring Isolators V303 – V308

Isolation of exhaust systems, especially on ships. Isolation of various pipes (pressurised air or fluids). Protection of fragile equipment during transportation.

Product Characteristics

All metal isolator of the single-action type, designed for loading in tension only. Resilient elements: High tensile steel springs and 18/8 stainless steel cushions. Brass spherical nuts. Housing and other parts in steel.

Protection: Paint

A series of low-frequency isolators for tension loads.

Natural frequency: 3.5 to 5 Hz.
Amplification factor: < 9.
Temperature range: -90 °C to +300 °C.
Maximum load corresponding to a continuous acceleration of 3 g.

Product Applications

Isolation of exhaust systems, especially on ships. Isolation of various pipes (pressurised air or fluids). Protection of fragile equipment during transportation.

Installation

Attachment points to be made as shown in the cross-selection a-a. The mount may then be easily hooked onto the bracket without removing the nuts. The distance between the cups can be adjusted by turning the sleeve and locking the nut. The isolator must not be tensioned. Dimension “h” must be checked after thermal expansion of the pipe and the locknut locked afterwards. Dimension “h” must be within the ± 3 mm tolerances.

Technical Specifications

spring-isolator-v303-v308-technical-specifications.xlsx

Load Range - Weight

Ref Load range in daN (≈kg) Weight (kg)
Static Dynamic
V303 4 - 85 260 2.0
V304 75 - 140 420 2.1
V305 120 - 230 700 4.4
V306 200 - 380 1200 4.6
V308 270 - 500 1500 2.8

Dimensions

Ref A B C D H K h
V303 40 135 63 M12 210 6 35
V304 40 155 63 M12 230 6 35
V305 40 175 82 M16 257 8 40
V306 45 200 82 M16 282 8 40
V308 45 220 82 M16 302 8 40

Downloads

  • Spring isolator V303-V308 specifications