Mark 686G Series – Air Loaded Globe Style Pressure Regulator

The Mark 686G is an air loaded, globe style pressure-reducing valve that features air-loading, high capacities, accurate regulation, and easy servicing; making it an exceptional choice for pressure regulating applications. Bottom-entry cage trim for simple cleaning or repair allows all working trim parts to be removed from the body as one assembly. The diaphragm is easily accessible from the top, allowing maintenance without removing the valve from the line.

  • Easy to maintain and service – bottom entry to access plug, diaphragm is accessible from the top
  • Large effective diaphragm area for increased accuracy and sensitivity
  • Large orifices and body passages provide high-flow capacities
  • Tight shutoff – choice of hard (ANSI Class IV) or soft (ANSI Class VI) seat
  • For  applications with deferential pressures up to 300 psi (20,7 bar) on water air, oil, gas, steam and chemicals

Data Sheet
Mark 686G Series Data Sheet

I & M
Mark 686G Series I & M

Condensed Catalog
Jordan Valve Product Guide
Jordan Valve Product Guide – A4


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