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OS &Y Type Pressure Seal Rising Spindle
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OS &Y Type Pressure Seal Rising Spindle
Sparkey Valve and Fitting Pvt. Ltd. specializes in the design and manufacturing of high-performance industrial valves, including OS & Y Type Pressure Seal Rising Spindle valves. OS & Y (Outside Screw & Yoke) Type Pressure Seal Rising Spindle valves are engineered for demanding high-pressure and high-temperature applications. The pressure seal bonnet design becomes more effective as internal pressure increases, providing excellent sealing performance without the need for heavy bolting. The rising spindle with OS & Y configuration ensures safe operation with clear visibility of valve status, enhancing reliability in critical pipeline systems.
Industrial OS&Y Rising Spindle Pressure Seal High-Performance Valve
These valves are ideally suited for industries where system integrity is paramount, such as power generation, petrochemical, oil & gas, and steam processing systems. The pressure seal design significantly reduces the risk of leakage under severe operating conditions, making it highly suitable for boiler feedwater systems, steam lines, and high-pressure process pipelines. With superior sealing, the valve ensures dependable operation even in environments requiring absolute shutoff.
The OS & Y design keeps the stem threads outside the flow medium, preventing corrosion and minimizing wear. This enables smooth operation and prolonged valve service life. The rising stem mechanism allows easy monitoring of valve position, making it ideal for applications where safety, process accuracy, and inspection convenience are key. Additionally, the pressure seal bonnet reduces maintenance requirements, especially when compared to conventional bolted bonnet valves in high-pressure service. Manufactured using high-grade forged or cast materials, these valves offer exceptional durability and mechanical strength. Precision engineering ensures resistance to thermal stress and mechanical fatigue, allowing long-term performance under fluctuating pressure and temperature conditions. The rugged construction of these valves supports consistent sealing and leak-free operation during extended use.
Features
- Pressure Seal Bonnet Design
- Engineered for High-Pressure
- Leak-Proof Performance
- Robust Construction
- Suitable for Critical Services
- High-Temperature Applications
Applications
- Power Generation Plants
- Oil & Gas Industry
- Petrochemical & Chemical Processing
- Thermal & Nuclear Power Plants
- Industrial Steam Systems
- High-Pressure Process Piping Systems
Specification
| Bonnet Design | Pressure Seal Bonnet |
| Operation | Manual / Gear / Electric / Pneumatic Actuation |
| Body Material | Carbon Steel / Alloy Steel / Stainless Steel |
| Spindle Material | Stainless Steel / High Alloy Steel |
| End Connection | Flanged (ANSI / ASME / DIN / BS / ISO) |
| Pressure Rating | PN40 / PN64 / PN100 / Class 300 / 600 / 900 |
| Temperature Range | -29°C to +600°C (depending on material) |
| Flow Direction | Bidirectional |
| Leakage Class | API 598 / ISO 5208 |
| Face-to-Face Standard | ASME B16.10 / DIN EN 558 |