Model Series 84/85 - Resilient Seated Butterfly Valves

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American Standard and ISO 5211 drillings with ISO shaft provides flexibility of mounting handles, gear operators and actuation. Environmental shaft seal to keep contaminants from entering shaft bore. 2 RTFE bearings widely spaced eliminates side loading and provides friction free operation. An extra wide sealing face makes for easier valve installation. High strength single piece shaft. Single, double, and / or triple 17-4 PH stainless steel taper pins positively lock the shaft to the disc. Phenolic back up ring is vulcanized to the elastomer therefore eliminating movement within the seat. A third shaft bearing is provided to further eliminate side loading and provide for friction free rotation of the disc / shaft.

Resilient Seated Butterfly Valves for commercial, HVAC, and general purpose applications - Series 84/85.

2' to 24'

  • Wafer Style
  • Lug Style
  • Long Neck for Insulation Requirements
  • Cartridge Seated
  • Thin Profile Disc
  • ISO mounting and Shaft
  • Rated to 250 psi

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