The Valbart Cryogenic Ball Valve meets demanding end-user requirements for leak rate and fugitive emission performance. It’s body construction and flexible trim configurations ensure proper safe isolation. It is bi-directional (std) or uni-directional (upon request), side entry or top entry with fire-safe design, with an anti-static feature and automatic cavity relief.
Additional information
| Valve Size | 2-1/2" to 56" (API 6D), 1-13/16" to 11" (API 6A) |
|---|---|
| Pressure Class Standard | ASME B16.34; API 6A |
| Pressure Class Range | Class 150, 300, 600, 900, 1500, 2500; 2000, 3000, 5000, 10000 |
| Body | 3-Piece Side-Entry, Top-Entry, Fully Welded, Rising Stem |
| End Connections | Integral Flange, Butt-Weld, Hub |
| Face-to-Face Standard | API 6D (ASME B16.10), API 6A |
| Bonnet | Cryogenic |
| Packing | Energized Lip Seals, Fugitive Emissions |
| Configuration | Trunnion Mounted Ball |
| Trim | Reduced & Full Port |
| Seat Type | Double Block & Bleed (DBB), Double Isolation & Bleed (DIB-1 & DIB-2) |
| Seating | Metal-to-Metal & Soft |
| Shut-Off Classification | API 6D as per ISO 5208 Rate A, B, D |
Features & Benefits
- Improved seal performance at extremely low temperatures enabled by isolating stem seals from cold media
- Guaranteed optimum leakage resistance in demanding cryogenic applications via primary energized lip seal
- Increased reliability and safety from automatic discharge of excessive body pressure by internal self-relieving system (top- and side-entry models)
- Plant and personnel protected by anti-blowout design that ensures the stem is retained by the stem cover
- Environmental compliance assured by zero-emission design
- Reduced actuation costs, as seat design minimizes the torque required to operate the valve without losing the sealing power
- Ball and stem are independent to minimize the effect of the side thrust generated by the pressure acting on the ball
- Accurate machining of stem and bonnet sealing surfaces ensures compliance with the most severe pollution-control regulations
- Valve designs are available with extended bonnets for applications in extreme temperature service
Standards & Certifications
| Certifications | Canadian Registration Number (CRN) |
|---|---|
| Fire-Safe to API 6FA, API 607, ISO 10497 | |
| Design Standards | CSA Z245.15 – Steel Valves |
| API 6D – Specification for Pipeline and Piping Valves | |
| API 6A – Specification for Wellhead and Christmas Tree Equipment | |
| ASME B16.5 – Pipe Flanges & Flanged Fittings | |
| ASME B16.47 – Large Diameter Steel Flanges | |
| ASME B16.10 – Face to Face & End Dimenions of Valves | |
| ASME B16.25 – Buttwelding Ends | |
| ASME B16.34 – Valve Flanged, Threaded, and Welding End | |
| ASME SA Materials | |
| ASTM A Materials | |
| Quality | IS0 9001:2008 |
| ATEX QAN | |
| IECEX QAR |
