Keystone F86 Swing Type Check Valve

High capacity, spring loaded swing type wafer check valve

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Description

Features

  • Lightweight, wafer type check valve with face-to-face dimensions according ISO 5752, table 5 long
  • High flow capacity featuring a special shaped disc with a large opening angle resulting in high Kv values
  • Spring loaded disc for positive shut-off
  • Choice of cast iron or stainless steel body types
  • Field replaceable O-ring seat
  • Internal travel stop prevents the disc from slamming against the pipe
  • Excellent low pressure shut-off The standard low pressure shut-off is less than 0.1 bar (10 kPa)
  • Slam free operation
  • Optional heavy spring for slam free operation in systems with high decelerations
  • Optional light spring for systems with low line velocities
  • Optional adjustable travelstop for system with reduced inner diameter pipe

Brand

Keystone

Long Lasting Butterfly Valves with a Sturdy Reputation

Emerson’s Keystone offer a complete range of butterfly valves from general purpose through to heavy duty and high performance models. With a tradition of more than 70 years, Keystone built its reputation on providing industrial process butterfly valves known for their reliability, long service life, and reduced operating costs. Independent, third-party life-cycle testing has shown that Keystone resilient-seated butterfly valves last 2.5 times longer than competitors' butterfly valves.  
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