OS&Y Type Pressure Seal Rising Spindle
Product Range
OS&Y Type Pressure Seal Rising Spindle
OS&Y Type Pressure Seal Rising Spindle Valves are engineered for high-pressure and high-temperature applications where leak-proof performance and operational safety are critical. The Outside Screw & Yoke (OS&Y) design keeps the spindle threads outside the fluid flow, ensuring smooth operation and clear visibility of the valve position. The pressure seal bonnet design enhances sealing performance under increasing system pressure, making it highly suitable for power plants, petrochemical units, refineries, and other high-pressure industrial applications.
OS&Y Pressure Seal Rising Spindle Valve for High Pressure
Constructed with premium-grade materials such as alloy steel or stainless steel, these valves offer excellent resistance to high temperatures, chemical corrosion, and mechanical stress. The rising spindle design reduces internal wear and ensures reliable valve operation even during frequent usage.
Available with manual, gear-operated, or actuator-based configurations, OS&Y Type Pressure Seal Rising Spindle valves are designed for both on-off and throttling functions. They comply with international industry standards including API, ASME, and DIN, ensuring safe and efficient performance across various sectors. Their robust design and operational reliability make them a trusted solution for challenging environments. With a strong commitment to performance, safety, and durability, Sparkey delivers valve solutions that meet the demanding needs of critical industrial applications. Their expertise in precision valve manufacturing positions them as a reliable partner for high-pressure flow control requirements.
Features
- Manual or Actuator-Ready Operation
- Low Maintenance Requirement
- Robust Material Construction
- Rising Spindle Mechanism
- Pressure Seal Bonnet
- Manual or Actuator-Ready Operation
Applications
- Power Plants
- Oil & Gas Refineries
- Petrochemical & Chemical Industries
- Process and Utility Pipelines
- High-Pressure Pumping Stations
- Steel & Metal Processing Industries
Specification
| Bonnet Design | Pressure Seal Bonnet |
| Operation | Manual / Gear / Electric / Pneumatic Actuator |
| Body Material | Alloy Steel / Stainless Steel / Carbon Steel |
| Stem Material | Stainless Steel / Alloy Steel |
| Pressure Rating | PN40 / PN64 / Class 300 / 600 / 900 (material dependent) |
| Temperature Range | -29°C to +550°C (based on material and service conditions) |
| Seat Type | Metal-to-Metal / Hardfaced Alloy |
| End Connection | Flanged End (ASME / DIN) |
| Flow Direction | Bidirectional |
| Leakage Class | API 598 / ISO 5208 |
