Ring Gaskets – Class 300

Non-metallic Gasket Dimensions for ASME/ANSI B16.5 & B16.47 Pipe Flanges

NPS = Nominal Pipe Size
ID = Inner Diameter
OD = Outer Diameter

General Note:
All dimensions are in inches.
Larger sizes as well as customized sizes can be furnished.

¹ For Reference Only:
Size NPS 22 not listed in ASME B16.21

Standards:
ASME B16.21 – Non-metallic flat gaskets for pipe flanges
ASME B16.5 – Pipe flanges and flanged fittings: NPS 1/2 through 24
ASME B16.47 – Large diameter steel flanges: NPS 26 through NPS 60 standard

No liability or guarantee for the correctness and completeness of the information provided

NPS = Nominal Pipe Size
ID = Inner Diameter
OD = Outer Diameter

General Note:
All dimensions are in inches.
Larger sizes as well as customized sizes can be furnished.

¹ For Reference Only:
Size NPS 22 not listed in ASME B16.21
Sizes NPS 66, 72, 84 and 96 not listed in ASME B16.47

Standards:
ASME B16.21 – Non-metallic flat gaskets for pipe flanges
ASME B16.5 – Pipe flanges and flanged fittings: NPS 1/2 through 24
ASME B16.47 – Large diameter steel flanges: NPS 26 through NPS 60 standard

No liability or guarantee for the correctness and completeness of the information provided

Custom Configurations of Any Type Available