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MaterialStainless steel 304
505-1-230-20F03+F05 - 9*9/11*11
505-1-290-25F03+F05 - 9*9/11*11
505-2-450-40F05+F07 - 11*11/14*14
505-3-450-110F07+F10 - 17*17
505-3-550-180F07+F10 - 17*17
Fig.505 spring return safety handle is a spring energized handle which allows the ball valve return to the pre-setting position (ON or OFF) when operator disengages from the handle. It provides safe and positive FC (fail close) or FO (fail open) operation.
Fig.505 spring return safety handle is in stainless steel material which provides excellent corrosion resistance with longer lifetime.
