Sherman & Reilly XS-100B-DI Universal Stringing Block With Ductile Iron

  • Media
$5,037.62 each


The Sherman + Reilly XS-100B Universal Stringing Block is a light-weight, yet exceptionally rugged, reliable, and durable distribution stringing block.

Part Number: 970735334
Mfg Part Number: XS-100-B-DI
Brand: Sherman+Reilly

Combined with its family of associated hardware and accessories, it affords utilities and their contractors exceptional versatility in how and where it may be deployed and in the range of installation problems it can help solve. Its low-friction bearings render high block efficiency, which helps to maximize stringing distances while minimizing pulling tensions and reducing loads on stringing equipment.

The XS-100B’s light weight and durability derive from the materials and methods used to make it. The material used for the frame is “virgin” A356-T6 aluminum, which is an aluminum alloy with very tightly controlled proportions of other materials to assure optimum performance during manufacture and in the field. Virgin material is material that has not been mixed with scrap material, not even with scrap of what may have once been the same alloy. The fact that Sherman + Reilly uses “virgin” material assures that the material is exactly and only the pure and correct alloy, and that it has not been contaminated by impurities (notably iron) that often accompany non-virgin material.

XS-100B frames are cast (molded) as molten metal. The properties and purity of the A356-T6 Aluminum used by Sherman + Reilly assure that the molten metal flows smoothly and evenly throughout the mold, assuring proper and uniform density throughout the finished frame. Proper density and uniformity combined with the purity and metallic properties of the alloy assure that the frame is strong but light-weight, and assure that there are no internal voids or brittleness that could cause sudden complete failure of the block in the field.

The sheaves of the XS-100B are also made of the same virgin A356-T6 Aluminum as the frame. They are also similarly cast, but they have the additional manufacturing step of having the grooves and bearing surfaces machined for smoothness and precision fit. Combined with low-friction, lubricated-for-life bearings, the sheave materials, and how they are made assure high-efficiency and smooth-stringing performance.

  • High strength, low weight.
  • Urethane-lined, polished-groove, nylatron, or ductile-iron sheaves.
  • 2,500 lb. maximum working load.
  • Positive locking handle (a secure spring-loaded latch and large-ID pull-loop) on the side-gate assembly for easy conductor clip-in and for hot-stick operations.
  • High-efficiency, low-friction.

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Altec Inc.

210 Inverness Center Drive
Birmingham, AL 35242-4834
Phone (205) 991-7733
Fax (205) 408-8601

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