Steam Flange Vacuum Globe Valve
This vacuum globe valve features a cast-forging structure with a parallel double-sealed pair and half-forced two-way seal to achieve zero leakage. The design minimizes friction between sealing surfaces and includes an automatic compensation function for sealing surface wear.
Technical Specifications
Product Overview
High-Performance Vacuum Globe Valve
This Steam Flange Vacuum Globe Valve is engineered specifically for power station equipment, ensuring reliable vacuum sealing and isolation. Featuring a tempered and nitrided valve stem for superior wear resistance, it is designed for demanding environments including steam turbine condensation systems. Its robust construction and high-strength sealing materials provide long-lasting performance and effective system isolation.
Technical Specifications
Construction Materials
- 25
- WCB
- Cr5Mo
- Austenitic Stainless Steel (Inverted seal)
- Design Standards
- ASME B16.34JB/T3595
- Flange Connection Standards
- ASME B16.5GB/T9113
- Pressure Range
- Class 150 - Class 600
- Size Range
- DN50 - DN500 (NPS2 - NPS20)
- Max Operating Temperature
- 425 °C
Performance & Application
Key Performance Metrics
4 MPa
Min Nominal Pressure
10 MPa
Max Nominal Pressure
200 °C
Recommended Operating Temp
Primary Applications
- Thermal power plant backwater condensing systems
- Steam turbine condensation systems
- Vacuum negative pressure systems
- Vacuum sealing and isolation
Operational Details
Operating Types
ManualElectric
- Pressure Testing Standards
- GB/T13927API598
