A rising stem gate valve connects the gate directly to a threaded stem, so the stem rises visibly above the handwheel as the valve opens, giving operators an immediate visual confirmation of valve position without needing to check a separate indicator. This OS&Y (outside screw and yoke) configuration keeps the threads isolated from the process fluid, which prevents corrosion or fouling from affecting the operating mechanism over years of service. The visible stem position also makes this design a common requirement in plants where operators need to confirm valve status at a glance during routine rounds.

Common Applications

• Applications requiring visual confirmation of valve position
• Water treatment and utility isolation service
• General process isolation where OS&Y construction is specified
• Plants with routine visual inspection requirements