What is the design pressure for piping class B2A valves?

Piping class B2A is rated for a design pressure of 51.1 bar (740 psi) at a design temperature of Up to 400°C (752°F). Fluid service: Stainless Steel Medium Pressure - Corrosive Process to 51 bar. Corrosion allowance: Nil.

What valve types are specified in piping class B2A?

Piping class B2A includes: Gate Valve, Globe Valve, Ball Valve, Check Valve. All valves are to ASME Class 300 rating with Stainless Steel CF8M / A182 F316L body material.

What body material is required for piping class B2A?

The body material for piping class B2A is Stainless Steel CF8M / A182 F316L. This is selected for Stainless Steel Medium Pressure - Corrosive Process to 51 bar service at 51.1 bar (740 psi) and Up to 400°C (752°F).

Which industries use piping class B2A?

Piping class B2A is typically used in: Chemical manufacturing, Acid process, Pharmaceutical API, Offshore chemical injection. Vajra Industrial Solutions supplies all valve types to B2A specification with full EN 10204 3.1 material certificates, hydrostatic test certificates, and dimensional inspection reports.

Home Piping ClassesB2A

Piping Class Reference

Piping Class B2A Valve Specification

Piping Class B2A is the ASME Class 300 stainless steel piping class for medium-pressure corrosive service. Used in high-pressure chemical, pharmaceutical, and corrosive hydrocarbon streams where carbon steel is unacceptable.

ASME Class

ASME Class 300

Design Pressure

51.1 bar (740 psi)

Design Temperature

Up to 400°C (752°F)

Body Material

Stainless Steel CF8M

What is piping class Piping Class B2A?

Piping Class B2A is the ASME Class 300 stainless steel piping class for medium-pressure corrosive service.

ASME Class:: ASME Class 300
Service:: Stainless Steel Medium Pressure - Corrosive Process to 51 bar
Body Material:: Stainless Steel CF8M / A182 F316L

Design Parameters - B2A

Fluid Service

Stainless Steel Medium Pressure - Corrosive Process to 51 bar

Design Pressure

51.1 bar (740 psi)

Design Temperature

Up to 400°C (752°F)

Corrosion Allowance

Nil

Body Material

Stainless Steel CF8M / A182 F316L

Industries

Chemical manufacturing, Acid process

Reference Only - Project-Specific Verification RequiredThis piping class specification is a general industry reference. Actual piping class definitions vary by project and company standard (owner specifications). Always verify material, rating, and end-connection requirements against your project's official piping class datasheet or PMS (Piping Material Specification). Vajra Industrial Solutions accepts no liability for specification decisions based on this reference.

Valve Schedule - Piping Class B2A

Valve Type	Rating	End Connection	Body Material	Trim	Seat/Sealing	Notes
Gate Valve	Class 300	RF Flange (ASME B16.5)	CF8M / A182 F316L	SS 316	SS 316 Stellite-6 HF	OS&Y, bolted bonnet
Globe Valve	Class 300	RF Flange	CF8M	SS 316	SS 316 HF	T or Y-pattern
Ball Valve	Class 300	RF Flange	CF8M / F316L	SS 316	RPTFE	Trunnion or floating, fire-safe
Check Valve	Class 300	RF Flange	CF8M	SS 316	SS 316	Swing or piston lift