The Rising Spindle (Rising Stem) Globe Valve is the definitive solution for precision throttling and frequent flow regulation in high-pressure piping systems. Unlike gate valves designed for simple "on-off" service, the globe valve features a spherical body and a movable plug-type disc that allows for fine-tuned control of fluid volume.
Available in ANSI Class 150 and ANSI Class 300, these valves are engineered for durability in steam, gas, and liquid services where positive shut-off and accurate flow modulation are critical.
Key Features & Benefits:-
- Superior Throttling Capability: The short distance between the open and closed positions, combined with a precision disc, provides excellent linear flow characteristics for regulating pressure and flow rates.
- Visual Position Indicator: The rising spindle design provides an immediate visual cue of the valve’s opening percentage, allowing operators to monitor flow status at a glance.
- Outside Screw and Yoke (OS&Y): The stem threads are located outside the valve body, protecting them from the corrosive effects of the process media and facilitating easy lubrication for smooth operation.
- Robust Sealing & Shut-off: Designed for high-integrity sealing, the globe valve offers a tighter shut-off than many other valve types, making it ideal for isolation in critical utility lines.
- Renewable Seats & Discs: Many models feature replaceable seat rings and discs, allowing for easy maintenance and a significantly extended service life without replacing the entire valve body.
Technical Specifications:-
| Feature |
ANSI Class 150 |
ANSI Class 300 |
| Max Pressure (Cold) |
~285 PSI (20 Bar) |
~740 PSI (51 Bar) |
| Size Range |
1/2" to 12" (DN15 – DN300) |
1/2" to 10" (DN15 – DN250) |
| Body Materials |
ASTM A216 WCB (Cast Steel), ASTM A351 CF8M (316 SS) |
ASTM A216 WCB (Cast Steel), ASTM A351 CF8M (316 SS) |
| Trim Materials |
13% Cr (API Trim 8), SS316, Stellite Faced |
13% Cr (API Trim 8), SS316, Stellite Faced |
| End Connection |
Raised Face (RF) Flanged / RTJ |
Raised Face (RF) Flanged / RTJ |
| Design Standards |
API 600, ASME B16.34, BS 1873 |
API 600, ASME B16.34, BS 1873 |
Target Industrial Applications:-
Rising Spindle Globe Valves are the primary choice for systems requiring rigorous flow management:
- Steam & Condensate Systems: Ideal for boiler feed water, main steam headers, and condensate return lines where thermal expansion is a factor.
- Oil & Gas Refining: Used in high-pressure hydrocarbon processing and fuel oil transfer lines.
- Chemical Processing: Reliable control for aggressive chemicals and solvents (utilizing Stainless Steel configurations).
- Water Treatment: Precision throttling for high-pressure pumping stations and chemical dosing lines.
- Power Generation: Essential for turbine bypass and auxiliary steam systems.
Why Choose a Rising Spindle Globe Valve?
While gate valves are excellent for full-flow isolation, they cannot handle the high-velocity turbulence of throttling. The Rising Spindle Globe Valve is purpose-built to survive the erosive forces of regulated flow. Its rugged construction and external stem threads make it a "heavy-duty" favorite for engineers who prioritize safety, visibility, and long-term maintenance cycles.
