Bolted Bonnet Forged Bellows Seal Flexible Wedge Gate Valve – Velan

Product Details
Spec Detail
Size Range NPS 2 1/2 – 6 (DN 65 – 150)
Pressure Class ASME classes 600 – 1500
Standard Connections Butt weld

 

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Premium Bolted Bonnet Forged Bellows Seal Flexible Wedge Gate Valve – Features & Benefits

As a leading Velan Valve Supplier, Distributor, and Stockist, we provide high-performance API 600 Gate Valves engineered for extreme conditions. Our Bolted Bonnet Forged Bellows Seal Gate Valve delivers unmatched reliability, safety, and longevity—ideal for critical industrial applications.

Key Features & Benefits

1. Superior Bellows Design for Extended Service Life

  • 2000+ cycle durability – Constructed with Gr. 321 Stainless Steel or Inconel bellows for superior fatigue resistance.

  • High-pressure/temperature tested – Ensures leak-proof performance in demanding environments.

  • Optional bellows monitoring port – Allows real-time performance tracking for predictive maintenance.

2. Enhanced Safety & Leak Prevention

  • Non-rotating stem – Eliminates bellows torsion, ensuring long-term sealing integrity.

  • Dual secondary stem seals – Features a backseat in open position + graphite packing for redundant leak protection.

  • Forged construction – Delivers higher toughness, strength, and fatigue resistance compared to cast alternatives.

3. Optimized for Smooth, Low-Torque Operation

  • Stem nut thrust bearings – Reduce friction for effortless actuation.

  • Central lubrication system – Minimizes wear and extends valve lifespan.

  • Precision-engineered seating – CoCr alloy hard-faced seats, ground and lapped for bubble-tight shutoff.

4. Why Choose Our Valves?

As a trusted Velan Valve Distributor and Stockist, we ensure:
✔ API 600 compliance for rigorous industry standards.
✔ Global availability with fast lead times.
✔ Custom solutions for high-temperature (up to 850°F/454°C) and high-pressure applications.

 

 

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