Features & Benefits
- Long cycle life bellows (3000 cycles) in Gr. 321 (stainless) or Inconel. Designed and successfully tested in high pressure/temperature conditions.
- Two-part bellows.
- Two secondary stem seals: a) Backseat in open position; b) Graphite packing.
- Low torque due to: a) Non-rotating stem prevents torsion of bellows; b) Stem nut thrust bearings; c) Central lubrication.
- Bellows monitoring port (optional): A plug can be connected to the space above the bellows to monitor performance.
- Forged for higher safety: Increased toughness, strength and fatigue resistance
- Guided disc: Seat and disc hardfaced with CoCr alloy, ground and lapped.
Product Details
| Spec | Detail |
|---|---|
| Size Range | NPS 2 1/2 - 10 (DN 65 - 250) |
| Pressure Class | ASME class 600 - 1500 |
| Standard Connections | Butt weld |
Quality That Lasts
Precision Engineered
Our products, crafted with cutting-edge precision, set the industry standard for quality, reliability, and versatility across an expansive range of applications.
Long-Lasting & Durable
Velan leverages advanced engineering capabilities and innovation to create durable valves that meet critical industrial needs in the areas of nuclear power, mining, oil and gas, and more.
Certified & Tested
Innovation is our DNA. From our first steam trap to advanced cutting-edge valve designs, we are committed to providing solutions that define the highest standards of quality and performance.
Contact Us
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