Premium Bolted Bonnet Forged Bellows Seal Globe Valve – Features & Benefits
As a trusted Velan Valve Supplier, Distributor, and Stockist, we provide high-performance Forged Bellows Seal Globe Valves engineered for extreme conditions. Designed for durability, safety, and efficiency, our valves are ideal for critical applications in oil & gas, petrochemical, and power plants.
Key Features & Benefits:
✔ Long Cycle Life Bellows (3000+ Cycles) – Constructed in Gr. 321 Stainless Steel or Inconel, rigorously tested for high-pressure & high-temperature (HPHT) conditions.
✔ Double-Layer Protection – Features a two-part bellows design for enhanced leak prevention and reliability.
✔ Secondary Stem Seals – Dual sealing system includes:
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Backseat in open position
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High-density graphite packing for superior stem sealing.
✔ Low Torque Operation – Optimized for smooth performance with:
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Non-rotating stem (prevents bellows torsion)
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Stem nut thrust bearings
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Central lubrication system.
✔ Bellows Monitoring Port (Optional) – Allows connection to a plug for real-time bellows performance monitoring, ensuring early leak detection.
✔ Premium Forged Construction – Delivers higher toughness, strength, and fatigue resistance compared to cast alternatives, ensuring long-term safety.
✔ Guided Disc with Hardfaced Sealing – Seat & disc hardfaced with CoCr alloy, precision ground and lapped for a bubble-tight shut-off.




