Flange Bolt-Up Specs
ASME B16.5 / B16.47 • Oil & Gas Reference
Nominal Pipe Size
ANSI Class
150
300
600
900
1500
2500
Gasket / Facing
Spiral Wound (RF)
Ring Type Joint (RTJ)
Compressed Sheet / Soft
Joint Type
Standard (WN–WN or similar)
Spec Blind (longer studs)
Flow Meter / Orifice (special length)
Get Specs
Reference values only. Confirm with gasket manufacturer, ASME PCC-1, and responsible engineering before use on critical joints. Lubrication, temperature, and surface condition affect actual torque.