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Pipeline Spheres/Pigs
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Maloney Pipeline & Prover Spheres:

Compression Molded for Optimum Resiliency and Wear-Resistance


Characteristics & Applications:

Maloney branded products are compression molded for optimum resiliency, wear resistance and service life.

Spheres are compression molded at cavity pressures exceeding 2000PSI (137 Bar). This process is essential in ensuring uniform density of the compounded material thereby minimizing voids so often seen in spheres produced by other molding techniques.

During sphere production, each molded hemisphere is subjected to an intensive physical inspection. Following assembly and post-curing, every sphere is inflated to a specified increased diameter for 24 hours. This critical step is taken to assure that every Maloney Sphere that leaves our factory will fulfill the exacting demands of the task for which it was designed.

Inflatable spheres are available in 6" thru 42" sizes. Solid spheres are available from 1-1/2" through 4" diameters. Other sizes are available on special order.

Maloney has the widest sphere range in the industry and spheres ara available in various elastomeric materials designed to perform in specific end user applications. Our technical personnel are able to advise on the best products for particular applications.

Maloney spheres will pass through short bends, well designed tees, and full opening conduit type valves, They wear evenly and can be wear compensated by adjusting the diameter by inflating.


Uses of Maloney Spheres:

Maloney Spheres have the following uses:

  • Liquid displacer in Meter Prover Loops
  • Liquid product separator
  • Signal actuating device
  • Two-phase flow
  • Hydrostatic testing
  • Liquid removal in gas lines

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Uses of Maloney Spheres:

Maloney Spheres have the following uses:

  • Liquid displacer in Meter Prover Loops
  • Liquid product separator
  • Signal actuating device
  • Two-phase flow
  • Hydrostatic testing
  • Liquid removal in gas lines