The Keystone Figure 85 is a wafer style swing check valve with short face-to-face dimensions and is suitable for use in a range of gas and liquid applications.
The compact wafer thin body provides extreme low weight.
Minimum width of body allows installation between various flange standards.
Seating O-ring placed in dove-tail groove of disc is easily replaceable.
Low pressure shut-off.
This check valve offers positive shut-off even at very small differential pressure, due to rotational axis location. Disc weight acts to fully close valve.