Globe/Cage Style Regulators > Mark 686 Series




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The Mark 686 is a cage trim pressure reducing valve that features air-loading, high capacities, accurate regulation, and easy servicing, making it an exceptional choice for your pressure regulating applications. The bottom-entry cage trim allows simple cleaning or repair - all working trim parts can 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. |
Features & Benefits




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Easy to maintain and service — remove bottom entry to access plug. Diaphragm is accessible from the top |
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Large effective diaphragm area — for increased accuracy and sensitivity |
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Large orifices and body passages — provides high flow capacities |
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Tight shutoff — choice of hard (ANSI Class IV) or soft (ANSI Class VI bubble-tight) seat |
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For applications with differential pressures up to 300 psi (20,7 bar) — on water, air, oil, gas, steam and chemicals |
Download More Information



Mark 686 Series Cutsheet
Mark 686 Series I & M
Condensed Catalog
For More Information



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Mark 686 Series Cutsheet
Mark 686 Series I & M
Condensed Catalog
For More Information

Find Your Local Representative
Request Literature
Catalog Navigator




