2.This valve can be used as manual 3/2 way valve.

3.Visual indication marked EXH/SUP.

4.This valve meets the standard on installation conducted by operator specified by OSHA (Occupational Safety & Health Administration). When the machinery is maintained and serviced, the purge valve (Safe on-off valve) for remaining pressure shall be used to eliminate the remaining pressure when the air source is cut off. Valve must be locked to prevent accidental operation by a third party during maintenance. This prevents accidental system pressurization & cylinder actuation which can result in injuries to the machine operator.