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Keystone F86 Swing Type Check Valve

High capacity, spring loaded swing type wafer check valve.

Keystone

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