HV3 stop valves
Overview
Bronze bodied globe-pattern Spirax Sarco HV3 stop valves are available in a range of sizes to suit different application requirements across steam and condensate service. They provide robust, accurate manual shut-off with a straightforward format that is easy to understand, specify and maintain in general industrial duties. HV3 stop valves are a practical choice where users want dependable isolation without stepping into the tighter external leakage-control focus of a bellows sealed valve family. Used alongside the wider Spirax Sarco isolation range, they give engineers a clear route between general stop valve duty, quarter-turn ball valve isolation and higher-specification bellows sealed shut-off.
Related manual shut-off routes
HV3 valves are the general manual stop-valve route in this section. If the application needs tighter external leakage control, compare bellows sealed stop valves. Where quarter-turn shut-off and actuator-ready automation matter more than globe-pattern isolation, continue into ball valves.
If the surrounding station also needs local condition indication, add pressure and temperature gauges.
Continue your stop valve selection
HV3 stop valves are often chosen as part of a practical shut-off arrangement that also depends on leakage expectations, indication and the wider valve strategy around the line.
Compare HV3 with other isolation options
Return to the wider isolation valve range when you need to compare HV3 stop valves with ball valves and bellows sealed shut-off families.
Move into tighter leakage-control duties
Use bellows sealed stop valves when external leakage control and lower-emission shut-off matter more than a general-purpose stop valve format.
Add local condition indication
Review gauges when the isolation point also needs clear operating indication for commissioning, troubleshooting or shutdown procedures.