Piping Class A5A
Piping Class Spec

Needle Valves — Piping Class A5A

The needle valves specification for piping class A5A (ASME Class 1500, Ultra-High Pressure - HP Wellhead, Gas Transmission, Subsea to 247 bar) — body, trim, seat, end connection and rating, ready to quote.

What is the needle valves spec for piping class A5A?

Piping class A5A (ASME Class 1500) covers Ultra-High Pressure - HP Wellhead, Gas Transmission, Subsea to 247 bar with a Carbon Steel ASTM A216 WCB / A105N Forged body material and 3mm corrosion allowance, rated for 247 bar (3584 psi) at Up to 400°C (752°F). The needle valves specification for this class is below.

TypeRatingBodyTrimSeatEnd Conn.
Needle ValveClass 1500A105 ForgedSS 316SS 316 hardenedNPT/SW forged
  • -Needle Valve: Instrument root valve; block & bleed manifolds

Vajra Needle Valves

Precision needle valves for accurate flow control in instrumentation and sampling systems.

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Other valves in piping class A5A

Needle Valves in other piping classes

Reviewed by Materials Engineering, Vajra Industrial SolutionsDiscipline: Valve Metallurgy & Materials SelectionLast reviewed: 20 June 2026

Connected Engineering

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Send your valve schedule — we supply all needle valves to A5A specification (body, trim, seat, rating) with full certification and a 24-hour quote.

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