JIS flanges are flanges that conform to the Japanese Industrial Standard (JIS) B2220. This standard specifies the dimensions, materials, and manufacturing tolerances for flanges used in piping systems.
STANDARD – JIS
| Class | Size |
|---|---|
| 5 K, 10 K, 16 K, | 3/8” to 60” |
| 20 K | 3/8” to 36” |
| 30 K, 40 K, 63 K | 3/8 to 16” |
| 2 K | 18” to 60” |
Material: Carbon steel, Alloy Steel, Stainless steel 400, Duplex IN ote: Jis Flanges Are Weld Neck, Slip-on, Blind Or Socket Weld Flanges