SAE single-part screw-in flanges and SAE screw-in counterflanges with female thread types BFX-G/BAS-G (BSPP thread), BFX-N/BAS-N (NPT thread), BFX-U (UN thread) and BFX-M (metric thread) in the standard-pressure series (3000 PSI) as per ISO 6162-1:2002. Available in all common nominal sizes between DN 13 (1/2”) and DN 127 (5”). Straight and 90° elbow versions. Available in steel or V4A stainless steel. Individually or as a complete set with bolts, lock washers and O-ring.