Below-Seal Gate Valves – Features & Benefits

Trusted by Leading Velan Valve Suppliers, Distributors & Stockists Worldwide

- Long Cycle Life Bellows (10,000+ Cycles)

• Engineered for extreme pressure & temperature applications

• Rigorously qualification-tested for reliability in critical industries (oil & gas, petrochemical, power plants)

• Premium bellows design ensures durability and leak-proof performance

- Bellows Monitoring Port (Optional)

• Plug-in monitoring for real-time performance tracking

• Detects early wear or failure, reducing downtime & maintenance costs

• Ideal for hazardous or high-risk environments

- Dual Secondary Stem Seals – Fail-Safe Protection

1. Backseat Seal (Open Position): Prevents leaks when fully open

2. High-Temp Graphite Packing: Secondary sealing under extreme conditions

• Double security for zero-emission compliance (ISO 15848, TA-Luft)

- Superior Seating Faces – Unmatched Leak Tightness

• Seats Hardfaced with CoCr Alloy – Resists erosion, corrosion & galling

• Solid CoCr Alloy Disc – Ensures long-term sealing integrity

• 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