Published on: 11232520. The proposed rule eliminates the potential safety risk associated with hydraulic supply shut-off valves known as “knock-style valves” by prohibiting that type of valve and requiring replacement.
Published on: 8347740. The purpose of the proposed rule development is to eliminate the life safety risk associated with hydraulic supply shut-off valves. The effect of the proposed rule development is to require replacement of hydraulic supply shut-off valves.