Piping Class A2A
Piping Class Spec
Ball Valves — Piping Class A2A
The ball valves specification for piping class A2A (ASME Class 300, Medium Pressure - Process, Steam, Hydrocarbons to 50 bar) — body, trim, seat, end connection and rating, ready to quote.
What is the ball valves spec for piping class A2A?
Piping class A2A (ASME Class 300) covers Medium Pressure - Process, Steam, Hydrocarbons to 50 bar with a Carbon Steel ASTM A216 WCB body material and 3mm corrosion allowance, rated for 50 bar (725 psi) at Up to 350°C (662°F). The ball valves specification for this class is below.
| Type | Rating | Body | Trim | Seat | End Conn. |
|---|---|---|---|---|---|
| Ball Valve (2" and below) | Class 300 | A105 Forged | SS 316 | PTFE | Screwed/SW |
| Ball Valve (3" and above) | Class 300 | A216 WCB | SS 316 | PTFE / RPTFE | RF Flange (ASME B16.5) |
- -Ball Valve (2" and below): Full bore, fire-safe
- -Ball Valve (3" and above): Trunnion, fire-safe, antistatic
Vajra Ball Valves
High-performance ball valves for reliable shut-off and control in various industrial applications.
See the full Ball Valves rangeOther valves in piping class A2A
Ball Valves in other piping classes
Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026
Connected Engineering
Need ball valves to piping class A2A?
Send your valve schedule — we supply all ball valves to A2A specification (body, trim, seat, rating) with full certification and a 24-hour quote.
Relevant Products