ASME B31.3 Process Piping - Valve Selection

Valve Selection

• Code Requirements
• Selection by Valve Type

• Gate

• Globe

• Check

• Butterfly

• Ball

• Plug

Code Requirements

Listed Valves

• Can be used within their pressure-temperature ratings and any additional limitations described in the Code
• Except that bolted bonnets secured by fewer than 4 bolts or a U-bolt may only be used in Category D Fluid Service.

Unlisted Valves can be used within Code limitations

if they:

• have dimensions that “conform to those of comparable listed components insofar as practicable”
• “provide strength and performance equivalent to standard components”, and satisfy one of the following:
• pressure-temperature ratings established by the method described in Annex F of ASME B16.34, or are qualified for pressure design as required by para. 304.7.2.

Selection by Valve Type

• Gate
• Globe
• Check
• Butterfly
• Ball
• Plug

FOR MORE INFO, SEE THE EMBEDDED PDF. GIVE IT A MINUTE TO LOAD.