10222019Tue
Last updateTue, 22 Oct 2019 7pm

Valve Manufacturing

Chesterton Expands NSF 61 Certification

To meet the growing demand for certified drinking water supplies, Chesterton has expanded its offering of NSF 61 certified mechanical seals to include all its single cartridge seals as well as split seals.

Previously, Chesterton’s NSF products were limited to the 155 Single Cartridge Seal and the Chesterton 442 with RSC faces. The company recently received approval for ALL Chesterton single cartridge seals as well as its flagship Chesterton 442 and 442C split seals.

The certifiable seal configurations are as follows:

  • 155, 150, S10 (Seal Faces: CB/SSC EP, SSC/SSC EP) including variants
  • 442C, 442 (Sea Faces: CB/RSC EP, RSC/RSC/EP) including variants

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