0212 640 90 96

Heavy-Duty Helical Spacer Dampers

Property Specification

Type: Severe-Duty Helical-Grip Spacer Damper

Features: Engineered for harsh operating environments, this high-performance spacer damper suppresses wind-induced vibration and manages severe dynamic loads across overhead line spans. Its design combines preformed helical rod attachments with elastomeric inserts to distribute clamping pressure evenly, preventing localized conductor bending stress and eliminating potential clamp loosening over time. The articulated frame joints direct dynamic movement to place the internal elastomer dampers under compressive forces, significantly extending fatigue endurance and service life. Featuring an ultra-robust body built to withstand extreme ice build-up, high wind loads, and harsh climatic conditions.

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Description

Technical Parameters

Conductor Outer Diameter (inches) Conductor Outer Diameter (mm) Available Bundle Layout Sub-Span Spacing Options
0.835 – 0.873 21.2 – 22.1 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
0.874 – 0.921 22.2 – 23.3 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
0.922 – 0.960 23.4 – 24.3 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
0.961 – 0.999 24.4 – 25.3 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.000 – 1.039 25.4 – 26.3 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.040 – 1.062 26.4 – 26.9 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.063 – 1.102 27.0 – 27.9 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.102 – 1.141 28.0 – 28.9 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.142 – 1.169 29.0 – 29.6 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.170 – 1.208 29.7 – 30.6 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.207 – 1.247 30.7 – 31.6 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.248 – 1.287 31.7 – 32.6 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.288 – 1.326 32.7 – 33.6 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.303 – 1.339 33.1 – 34.0 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.327 – 1.365 33.7 – 34.6 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.366 – 1.405 34.7 – 35.6 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.406 – 1.444 35.7 – 36.6 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.445 – 1.483 36.7 – 37.6 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.484 – 1.523 37.7 – 38.6 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.524 – 1.562 38.7 – 39.6 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.563 – 1.602 39.7 – 40.6 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)
1.603 – 1.641 40.7 – 41.6 Twin (2) / Tri (3) / Quad (4) 16″ (406 mm) / 18″ (457 mm) / 20″ (500 mm)

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