NkeISO nnukwu flangeọkọlọtọ a maara dị ka LF, LFB, MF ma ọ bụ mgbe ụfọdụ dị nnọọ ISO flange. Dị ka ọ dị na KF-flanges, a na-ejikọta flanges site na mgbanaka etiti na mgbanaka elastomeric. A na-ejikarị mgbachi okirikiri nwere nnukwu mmiri n'akụkụ mgbanaka o-mgbanaka iji gbochie ha ịpụpụ na mgbanaka etiti mgbe a na-arịgo.

Nnukwu flange ISO na-abịa n'ụdị abụọ. A na-ejikọta flanges ISO-K (ma ọ bụ ISO LF) na mkpị nwere okpukpu abụọ, nke na-amagide na oghere okirikiri n'akụkụ tubing nke flange. Oghere ISO-F (ma ọ bụ ISO LFB) nwere oghere maka ijikọ flange abụọ na bolts. Enwere ike ijikọ tubes abụọ nwere flange ISO-K na ISO-F ọnụ site na ijikọ otu akụkụ ISO-K, nke a na-agbanye na oghere dị n'akụkụ ISO-F.

ISO nnukwu flanges dị na nha site na 63 ruo 500 mm nominal tube dayameta.