emco wheaton corporation’s Sampling, Vent and Drain Valve is installed on the hydrant system for easy sampling, venting, and draining. The valve consists of two 1 ½" fire safe ball valves and a 1 ½" drybreak adapter with an integrated pressure relief valve. This valve is installed on a suitable point for sampling, on a high point for venting, and on a low point for draining.
