Zero Emission, Bellow Sealed
Bellow Seal Globe Valve
Precision flow control with zero atmospheric leakage
Combining the precise throttling characteristics of globe valve design with a hermetic stem seal, this valve is the definitive solution for controlling hazardous, toxic, or high-value fluids where both accuracy and environmental safety are paramount.
API 623ISO 9001ISO 15848-1 Class ACE PED
Technical Specifications
| Size Range | NPS 1/2″ – 12″ / DN 15 – 300 |
| Pressure Rating | Class 150 – 600 / PN 16 – 100 |
| Temperature Range | -29°C to +425°C |
| Body Material | WCB, CF8M, WC6, Duplex SS, Hastelloy® C276 |
| Seat Material | Stellite® Gr.6 renewable seat ring |
| End Connection | RF Flanged, Butt-Weld, Socket-Weld |
| Design Standard | API 623, ASME B16.34, BS 1873 |
| Fugitive Emissions | ISO 15848-1 Class A, TA-Luft |
| Testing Standard | API 598, EN 12266-1 |
Key Features
- Multi-ply Inconel bellows with 10,000+ cycle life expectancy
- Parabolic plug for equal-percentage flow characteristic
- Secondary PTFE/graphite back-up packing
- Live-loaded packing option for fugitive emissions compliance
- Available with pneumatic or electric actuator mounting
Industry Applications
Steam conditioningHeat transfer oil systemsChlorine and toxic gas servicePharmaceutical clean steamRefinery product blending
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