VZ, VZF, VSF Two-Port Seat Valves Data Sheet

This data sheet covers the specification, selection, and operation of VZ, VZF, and VSF two-port seat valves of globe construction with linear moving spindles and equal percentage characterized plugs, suitable for controlling hot or chilled water, steam, brine, or glycol solutions. It includes detailed tables for valve types, sizes, flow coefficients (CvS, Kvs), maximum differential pressures, temperature limits, actuator compatibility (AL, AL-S, ALM, ALX, ALE, ALi ranges), and linkage kits for various manufacturers.