Needle Valves — Piping Class A4A
The needle valves specification for piping class A4A (ASME Class 900, Very High Pressure - HP Gas Injection, HP Wellhead, Sour Gas to 148 bar) — body, trim, seat, end connection and rating, ready to quote.
What is the needle valves spec for piping class A4A?
Piping class A4A (ASME Class 900) covers Very High Pressure - HP Gas Injection, HP Wellhead, Sour Gas to 148 bar with a Carbon Steel ASTM A216 WCB / A105N Forged body material and 3mm corrosion allowance, rated for 148 bar (2149 psi) at Up to 400°C (752°F). The needle valves specification for this class is below.
| Type | Rating | Body | Trim | Seat | End Conn. |
|---|---|---|---|---|---|
| Needle Valve | Class 900 | A105 Forged | SS 316 | SS 316 / PTFE | NPT/SW |
- -Needle Valve: Instrument isolation; HP block & bleed manifolds
Vajra Needle Valves
Precision needle valves for accurate flow control in instrumentation and sampling systems.
See the full Needle Valves rangeOther valves in piping class A4A
Needle Valves in other piping classes
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