Below-Seal Gate Valves – Features & Benefits
Trusted by Leading Velan Valve Suppliers, Distributors & Stockists Worldwide
– Long Cycle Life Bellows (10,000+ Cycles)
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Engineered for extreme pressure & temperature applications
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Rigorously qualification-tested for reliability in critical industries (oil & gas, petrochemical, power plants)
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Premium bellows design ensures durability and leak-proof performance
– Bellows Monitoring Port (Optional)
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Plug-in monitoring for real-time performance tracking
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Detects early wear or failure, reducing downtime & maintenance costs
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Ideal for hazardous or high-risk environments
– Dual Secondary Stem Seals – Fail-Safe Protection
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Backseat Seal (Open Position): Prevents leaks when fully open
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High-Temp Graphite Packing: Secondary sealing under extreme conditions
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Double security for zero-emission compliance (ISO 15848, TA-Luft)
– Superior Seating Faces – Unmatched Leak Tightness
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Seats Hardfaced with CoCr Alloy – Resists erosion, corrosion & galling
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Solid CoCr Alloy Disc – Ensures long-term sealing integrity
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Mirror-polished surfaces for bubble-tight shutoff (API 598 standards)
Why Choose Our Below-Seal Gate Valves?
- Preferred by Velan Valve Distributors & Stockists for quality & reliability
- API 600, ASME B16.34 compliant – Certified for global industrial use
- Customizable options (bellows monitoring, material upgrades, extended cycle life)
- Fast delivery – Available through trusted valve suppliers & stockists
